• DE699425C - Air-compressing internal combustion engine with self-ignition and pressure injection : de en
  • US2223404A - Venetian blind tilting mechanism : en
  • US2223495A - Keyless door lock : en
  • US2223966A - Card selecting mechanism : en
  • US2223421A - Process for purifying pentaerythritol : en
  • US2223554A - Stacking handle for pin boards and cone boards : en
  • GB530061A - Improvements in or relating to refrigerating apparatus : en
  • US2223639A - Conveyer : en
  • US2223678A - Electric direction indicator : en
  • US2223955A - Convertible crib and bed : en
  • US2223490A - Track laying vehicle : en
  • US2223927A - Call indicator : en
  • US2223348A - Apparatus for introducing gases into liquids : en
  • US2223617A - Casting ladle and heating means therefor : en
  • US2223415A - Gas pressure booster system : en
  • US2223725A - Control mechanism : en
  • US2223747A - Apparatus for continuous extraction of oil from seed : en
  • DE699645C - Viewfinder for photographic use : de en
  • GB529903A - Improvements in joints for electric power cables : en
  • GB530126A - Improvements in gyratory crushers : en
  • US2223963A - Floor cleaning machine : en
  • AU179640A - Improvements relating to electric distribution pillars : en
  • US2224041A - Process for the production of metallic magnesium : en
  • DE699718C - Device for separating a coupling line : de en
  • DE699855C - Operating procedures for machine systems consisting of gas generator and gas engine : de en
  • DE699834C - Roller switch mechanism for rotary switch : de en
  • CA392848A - Transmission apparatus : en fr
  • US2223381A - Carburetor : en
  • USD123793S - Design for a drape or similar article : en
  • GB530066A - Improvements in or relating to rubber soled footwear : en
  • FR858796A - Improvements to tubular mechanical transmissions with mobile strings : en fr
  • FR858763A - Rubber bandage improvements : en fr
  • GB529929A - Improvements in or relating to turbo-electric drive for vehicles and method of controlling a vehicle : en
  • DE699792C - Sedimentation device : de en
  • CA392853A - Light diffusing, mellowing and blending device : en fr
  • US2223998A - Laundry apparatus : en
  • AU111971B2 - Improvements in or relating to injection or extrusion molding : en
  • US2223834A - Aircraft ski board supporting apparatus : en
  • US2224013A - Ironing machine : en
  • GB530081A - Improvements in or relating to cylindrical rotary brushes : en
  • GB530158A - Improvements in resilient wheels : en
  • GB530206A - Improved control mechanism for change-speed gearing : en
  • US2223597A - Apparatus for protecting vegetation : en
  • US2223616A - Safety lighting system for automotive vehicles : en
  • DE699862C - Photographic copier or enlargement device for single images, in which the measurement and copying take place separately : de en
  • CA392937A - Ether stabilization product : en fr
  • USD123762S - Pieper lighting unit : en
  • FR858994A - Improvements in processes and apparatus for the treatment of hydrocarbon vapors : en fr
  • GB529955A - Improvements in or relating to grates : en
  • US2223595A - Degreasing means : en
  • FR858716A - Improvements to carbonization processes and furnaces for the application of said improvements : en fr
  • DE699841C - Electric bicycle headlight : de en
  • FR858878A - composite machine parts and method of making them : en fr
  • GB530071A - Improvements in electrical wave filters : en
  • US2223939A - Method of dewaxing mineral oils : en
  • US2223811A - Dye jig : en
  • DE699637C - Screw locking : de en
  • FR858750A - Internal combustion engine : en fr
  • FR858909A - Frame for movable eyes of dolls : en fr
  • US2223541A - Fountain pen : en
  • US2223946A - Fishhook release trigger : en
  • FR858964A - Process for the production of molded parts by the injection or pressure casting process from synthetic products that are moldable and reversible with regard to their physical nature : en fr
  • GB530185A - Improvements in or relating to belt or chain tensioning devices, particularly for motor vehicle timer drive mechanisms : en
  • USD123759S - Design for a lamp shade : en
  • DK58212C - Steering gear with a driving and a conaxial driven shaft. : da en
  • GB529909A - Improvements in and relating to the control of electrically operated soot blowers : en
  • GB530068A - Improvements in sound reproducing apparatus : en
  • GB530101A - Improvements in or relating to milling machine tools : en
  • US2223785A - Gas sampling system : en
  • US2224050A - Clip for sealing bags : en
  • DE699767C - Rectification plant : de en
  • US2223450A - Coffee maker : en
  • US2223569A - Process and apparatus for the direct recovery of heavy metals of the nonferrous group from ores and other primary materials : en
  • FR858918A - Process for gasifying fine grain or powdery fuels with mixtures of oxygen, or air and oxygen, and water vapor : en fr
  • GB529997A - A process for the removal of mercaptans from hydrocarbon distillates : en
  • DE699676C - Frequency multiplication with double system magnetron tubes : de en
  • IE16057L - Stray-field transformers : en
  • DE699686C - Process for the production of highly sensitive photoactive layers : de en
  • FR858818A - Sprayers for paints and all liquids for painting one, two, three or four shades at a time and thereby obtain marbling : en fr
  • FR858950A - Tracked vehicle : en fr
  • DE699764C - Locking head for spindles : de en
  • DE699771C - Process for the production of benzanthrones : de en
  • US2223802A - Front end suspension for tracklaying tractors : en
  • AU527039A - Improvements in or relating to ultrahigh frequency oscillators : en
  • US2223679A - Means for separating particles of solid material by flotation : en
  • US2223620A - Ignitron starter circuit : en
  • US2223612A - Adding machine : en
  • US2223840A - Means for indicating phase : en
  • FR858835A - Chassis for tank : en fr
  • GB530121A - Toy device : en
  • FR858865A - Valve actuator : en fr
  • GB530104A - Improvements in or relating to the distant control of guns : en
  • DE699659C - Device for the aftertreatment of freshly cut synthetic fiber bundles : de en
  • DE699701C - Ski binding : de en
  • US2223815A - Magnetic gauge : en
  • US2223765A - Latch for overlapping closure : en
  • US2224024A - Pressure gauge : en
  • US2223340A - Journal box lid : en
  • USD123808S - Design foe a dress : en
  • US2223771A - Coining of sodium dichromate : en
  • US2223837A - Regulating system : en
  • DE698266C - Device for winding ropes : de en
  • FR858736A - Device for protection against harmful gases : en fr
  • FR858991A - Installations for coagulation and deposit of materials contained in water : en fr
  • GB530116A - Improvements in or relating to filters : en
  • GB530140A - Improvements in and relating to cathode ray tubes : en
  • US2223945A - Inking mechanism for printing presses : en
  • CA392938A - Ether stabilization product : en fr
  • US2223959A - Current limiting fuse : en
  • FR858904A - Clear-span support construction for large-span halls : en fr
  • FR858844A - Powder diffuser : en fr
  • USD123781S - Design fob a fingernail drying device : en
  • US2223706A - Comb cleaner : en
  • US2223888A - Circular indexing mechanism : en
  • GB530002A - Improvements in or relating to centrifugal clutches, particularly in change-speed transmission drives : en
  • GB530187A - The preparation of therapeutically useful heterocyclic compounds : en
  • FR858890A - Composite product for hygienic soles, clothing, etc. mainly allowing the diffusion of gases and vapors : en fr
  • GB530214A - Machine for cutting lines of type to size : en
  • GB529917A - Guard for the combs and other devices in cotton combing machines : en
  • DE699719C - Arrangement for powerless voltage measurement using a grid-controlled electron tube : de en
  • DE699757C - Kneading pump : de en
  • DE682775C - Length compensation device for furniture feet : de en
  • DE699563C - Remote-controlled circuit breaker for portable, electrically driven machines : de en
  • US2223406A - Automobile transmission control : en
  • US2223641A - Weeding apparatus : en
  • US2223721A - Wall construction and wall construction material : en
  • GB530221A - A method of and apparatus for electrically indicating the use of seats or other apparatus : en
  • DE699618C - Self-regulating valve, divided into two spaces by means of a valve plate, for drives that work with flow media : de en
  • US2223645A - Well and the like sinking apparatus : en
  • US2223657A - Finger ring : en
  • US2223777A - Metal catalyst and its preparation : en
  • FR858990A - Improvements in insulated copper wire fabrication : en fr
  • US2223388A - Cementing head : en
  • US2223466A - Meat-slitting machine : en
  • US2223704A - Ear elevating and trash ejecting means for corn pickers : en
  • FR858820A - Diaphragm for twin lenses used for stereoscopic photography : en fr
  • FR858854A - Compressed breathing gas tank autospirator : en fr
  • FR858896A - Improvements to electro-magnetic systems : en fr
  • US2223536A - Urea-formaldehyde condensation product : en
  • US2223870A - Overhead conveyer system : en
  • FR858945A - Protective paper tape for reel films : en fr
  • GB529948A - Improved vehicle suspension : en
  • GB529999A - Improvements in or relating to electrical networks : en
  • US2223891A - Elevating mechanism for guns having fine and coarse adjusting mechanism : en
  • US2223836A - Carburetor : en
  • CA392900A - Fibrous glass felt : en fr
  • US2223879A - Angle truing device : en
  • US2224100A - Tape dispensing means : en
  • US2223342A - Exchangeable knife blade : en
  • USD123827S - Design for a tire : en
  • US2224107A - Machine tool : en
  • FR858955A - Improvements available to radiators or similar heat exchangers : en fr
  • GB530201A - Improvements relating to the construction of sectional concrete buildings and air-raid shelters : en
  • GB530184A - Improvements in or relating to purging apparatus for cooling or refrigerating systems : en
  • GB530130A - Improvements in or relating to machines for cutting and slicing vegetables : en
  • GB529971A - Improvements in or relating to air-conditioning apparatus : en
  • FR858972A - Hollow crank for bicycle pedal and method of manufacturing same : en fr
  • GB529926A - Plug and socket coupling device : en
  • GB530166A - Improvements in or relating to weaving looms : en
  • US2223740A - Wall structure : en
  • CA392872A - Metal ski : en fr
  • DE699690C - Garbage collection trolley for binding mower : de en
  • US2223990A - Cathode ray tube apparatus : en
  • FR858977A - Method and device for measuring the coloration of lighting : en fr
  • GB530027A - A device for securing chiming clocks with pendulum movement during transportation : en
  • US2223625A - Pneumatic boat : en
  • US2223438A - Apparatus for making pipe or tubing : en
  • US2224070A - Tape cutting machine : en
  • USD123764S - Design foh, a reflector post : en
  • DE699820C - Process for producing enamel base glazes : de en
  • GB530000A - Improvements in or relating to the control of internal combustion engines operating on the two-stroke cycle and with compression ignition : en
  • FR858866A - Improvements to stack lifts and the like : en fr
  • FR858887A - New arrangement of a single or double row rigid ball bearing combined with a thrust ball bearing in freewheels of bicycles or the like : en fr
  • FR858747A - Elastic connecting device : en fr
  • FR858845A - Method and device for improving the texture of steel products : en fr
  • FR858858A - Cinematographic camera : en fr
  • FR858769A - Shoe sole : en fr
  • DE699753C - Shoe with hood tab : de en
  • US2223797A - Recovery of lactic acids from crude solutions thereof : en
  • US2223462A - Curtain stretcher : en
  • US2224114A - Electric relay, particularly for purposes of television : en
  • US2223669A - Therapeutic method and apparatus : en
  • US2223677A - Tow bar : en
  • US2223391A - Signature feeding : en
  • US2223611A - Syringe : en
  • USD123758S - Design fok a floor lamp : en
  • US2223417A - Air pressure pumping mechanism : en
  • US2223712A - Relay : en
  • US2224086A - Apparatus for slitting lithographed metal sheets : en
  • GB529906A - A new or improved method and/or apparatus for effecting automatic control : en
  • US2223997A - Venetian blind tilter : en
  • US2223875A - Drafting and spinning mechanism : en
  • US2223499A - Method of coating metal : en
  • US2224102A - Reaction of hydrocarbons : en
  • DE699743C - Device for pumping water with forced flow evaporators : de en
  • US2223516A - Contact cleaning : en
  • US2223787A - Piston expander : en
  • GB530106A - Improvements in or relating to breech mechanism for ordnance and the like : en
  • AU519039A - Improvements in or relating to coin freed vending machines : en
  • DE699850C - Use of nickel alloys : de en
  • CA392945A - Anti-skid running board tread : en fr
  • DE699660C - Overpot for growth container : de en
  • US2223755A - Pump : en
  • US2224009A - Abrasive article and method of manufacturing the same : en
  • DE699573C - Process for the preparation of clear aqueous solutions of lipids : de en
  • AU530339A - An improved device for use in joining pipes : en
  • DE699779C - Electric motor with self-braking : de en
  • US2223553A - Gear case cleaning apparatus : en
  • US2223656A - Snubber : en
  • DE699845C - Preservatives and disinfectants : de en
  • CA392883A - Shell crimping device : en fr
  • CA392888A - Folding table : en fr
  • US2223665A - Elastic material and its embodiment in articles of wearing apparel : en
  • US2223982A - Radio system : en
  • DE672803C - Method and device for shaping artificial teeth : de en
  • US2223866A - Magnetic speed changer : en
  • USRE21643E - Intergeared offset disk harrow : en
  • GB530141A - Improvements in and relating to submarine vessels : en
  • FR858914A - Method and machine for the continuous production of corrugated building plates : en fr
  • US2223582A - Cylinder wall reboring tool : en
  • US2223987A - Carburetor : en
  • US2223580A - Gauge construction : en
  • US2223628A - Roller feed : en
  • US2223778A - Trailer truck body : en
  • USD123842S - Design for a dress : en
  • GB530160A - Improvements in, or relating to, cattle stalls : en
  • US2223861A - Back or seat cover : en
  • USRE21648E - Hydrometer : en
  • US2223392A - Abrasive article and method of making the same : en
  • US2224069A - Display sign : en
  • USD123782S - Design fob a flower pendtllum clock : en
  • GB530182A - Improvements in or relating to dash pot devices, for the carriages of printing-telegraph receivers and the like : en
  • US2223897A - Distillation of coal and other carbonaceous substances : en
  • GB530132A - Improvements relating to spring weighing apparatus : en
  • AU518739A - Improved leak clamp for pipe joints : en
  • DE699636C - Weidetraenkeinrichtung : de en
  • DE699762C - Method and device for creating trench-like construction pits : de en
  • FR858957A - Improvements to radiators for internal combustion engines : en fr
  • CA392919A - Building block : en fr
  • FR858776A - Packaging : en fr
  • US2223699A - Check valve : en
  • CA392936A - Ether stabilization product : en fr
  • US2223969A - Heating plug : en
  • US2223559A - Agricultural machine : en
  • US2224089A - Oil burner : en
  • US2223698A - Automatic airplane wing control : en
  • FR858729A - Handheld device more particularly applicable to the search for results for the textile industry : en fr
  • FR858793A - Dental clinic installation : en fr
  • FR858924A - Cardboard manufacturing processes and products : en fr
  • AU114040A - Improvements in telephone substation apparatus : en
  • FR858788A - Automatic beveling or flattening machine for cut glass edges and centering clamp for use with this machine : en fr
  • GR9354B - ANTI-AIRCRAFT LIGHTING LAMP. : el en
  • US2223621A - Garment and support therefor : en
  • US2223833A - Electric condenser : en
  • GB530050A - Improvements in or relating to hydraulically actuated pumps : en
  • DE699837C - Switch with a straight switching element made of insulating material in a slot in the base : de en
  • USD123779S - Design foe, a combined grater and slicer : en
  • DE699799C - telbehaelter : de en
  • US2223845A - Sun visor : en
  • GB529933A - Improvements in and relating to electric connector plugs : en
  • FR858787A - Freewheel with movable friction rollers : en fr
  • FR858732A - Process for the manufacture of materials such as artificial leather, balloon fabrics or the like : en fr
  • GB530149A - Improvements in or relating to fans incorporating dust collectors : en
  • GB530063A - Improvements relating to insulated high tension electric wires or cables : en
  • US2223680A - Bracketing device : en
  • US2223867A - Switch clip : en
  • GB529924A - Improvements relating to pyrophoric lighters : en
  • FR858976A - Improvements to clarifying preparation processes : en fr
  • GB530197A - Improvements in or relating to contact systems for electric circuit interrupters : en
  • DK58206C - Radio receiver that can be automatically tuned to a Number of Stations. : da en
  • US2223419A - Control of diesel and other internal combustion engines : en
  • DE699591C - Dispensing device in bottle washing machines : de en
  • DE699633C - Cash register or accounting machine : de en
  • US2223527A - Manufacture of artificial materials : en
  • DE699787C - Injection molding machine working with piston pressure : de en
  • US2224048A - Process for the production of hydrocarbons : en
  • FR858843A - Narrow and stable cart for effortless transport of hand-held parcels : en fr
  • FR858951A - Vehicle engine speed temperature monitoring device : en fr
  • GB530038A - Improvements in servomotor brake pipe couplings for vehicles : en
  • US2223722A - Sanding device : en
  • US2223818A - Accelerator : en
  • FR858723A - Apparatus designed to artificially induce respiratory movements : en fr
  • FR858880A - Arrangement for the transmission of information : en fr
  • GB530129A - Improved process for making very strong viscose filaments : en
  • FR858780A - Improvements made to the support arms of pick-ups and sound recorders : en fr
  • GB530018A - Improvements in or relating to thermally operated switches and the like : en
  • GB530036A - Improvements in the regeneration of spent catalysts in the synthesis of hydrocarbons from carbon monoxide and hydrogen : en
  • US2223345A - Lantern : en
  • US2223408A - Pyrometer structure : en
  • US2223858A - Washing and rinsing machine : en
  • USD123838S - Jewelry box or similar article : en
  • US2224056A - Roof construction : en
  • DE699614C - Modulation method with partial suppression of the carrier frequency : de en
  • FR858714A - Very high resistance fabric : en fr
  • GR9353B - CONTRACTING BLINDING CURTAINS AND RECEIVER FROM WAVE (PAPER) PAPER. : el en
  • US2223869A - Pumping assembly : en
  • FR858713A - Tripod for cinematographic cameras : en fr
  • GB529985A - Apparatus for the production of temporary positives from photographic negatives : en
  • GB530077A - Apparatus for the production and storage of fluorine : en
  • USD123837S - Flashlight for ladies purses : en
  • DE699859C - Air classification process : de en
  • US2223478A - Non-thumb-sucking garment and method of making the same : en
  • US2223351A - Apparatus for producing alimentary paste products : en
  • FR858869A - Improvements to thermionic lamp circuits : en fr
  • DE699836C - Rotary switch for right and left gear with radial lock : de en
  • FR858906A - Automotive brake linkages : en fr
  • DE699616C - Horizontal, rigidly arranged mercury switch tubes : de en
  • GB529986A - Improved apparatus for the cleansing of drinking glasses and other receptacles : en
  • DE699572C - Process for opening up peat fibers : de en
  • US2223565A - Hand brake lever linkage : en
  • USD123814S - Combined watch and bracelet or similar article : en
  • US2223508A - Crankcase for multiple bank radial motors : en
  • US2223832A - Process for the recovery of precious metals present in sea water : en
  • USD123783S - Monteil evening gown ensemble : en
  • DE699699C - Concealed, replaceable fish tape for doors, windows, etc. like : de en
  • DE699790C - Process for the production of a spreadable floor or wall covering compound : de en
  • DE699647C - Wooden propeller glued together from untwisted thicknesses of wood : de en
  • DE699863C - Development coil for daylight development boxes : de en
  • FR858892A - Method and device for machining gun barrel scratches : en fr
  • US2223820A - Printing telegraph apparatus : en
  • DE699558C - Procedure for suppressing bearing errors : de en
  • DE699595C - Device for opening and closing the gas supply for the shutter drive of gas flashing lights : de en
  • DE699629C - isel : de en
  • FR858910A - Improvements in the manufacture of elastic threads and fabrics incorporating these threads : en fr
  • DE699809C - Process for the production of oxygen water : de en
  • GB529962A - Non-capillary silk suture and method of preparing the same : en
  • US2223412A - Comforter anchor : en
  • US2224085A - Electric clock : en
  • US2223515A - Vending machine : en
  • DE699864C - Damping device for axis controller : de en
  • FR858722A - Fast counting device that can be used to control rail traffic : en fr
  • GB530011A - Improvements in methods of bonding rubber to fibrous materials : en
  • DE699603C - Isolierstoffgehaeuse : de en
  • GB529963A - Improvements in or relating to chock supports for use in mines : en
  • US2223640A - Indicating device : en
  • US2224038A - Reduction gear reverse clutch : en
  • FR858742A - Wet scrubber for coals and similar products : en fr
  • DE699742C - Gluing press for film tapes : de en
  • DE699827C - Rail current switch : de en
  • FR858741A - Improvements to sound amplifying devices : en fr
  • US2223551A - Heating apparatus : en
  • US2223690A - Refuse collecting container : en
  • FR858775A - Device for suppressfon of returned images on television : en fr
  • US2223481A - Container sealing machine : en
  • GB530122A - Improvements in and relating to control systems for dynamo electric machines : en
  • GB529913A - Improvements in or relating to the construction of toy or model buildings : en
  • DE699685C - Winding anchorage for electrical machines : de en
  • DE699546C - V-belt drive, especially for electric annen : de en
  • GB530014A - Shell for grenades, bombs, and the like and method of making the same : en
  • FR858777A - Illuminated advertising device : en fr
  • GB529961A - Improvements in or relating to railway and like switches : en
  • GB530143A - Improvements in vests or waistcoats : en
  • US2223703A - Auxiliary service plant for aircraft : en
  • US2223743A - Variable speed transmission : en
  • USD123819S - Combined container and display for golf tees or the like : en
  • US2223813A - Insect exterminator and method of exterminating insects : en
  • CA392942A - Insulated roof : en fr
  • FR858913A - Glass for the manufacture of glass fibers or yarns : en fr
  • CA392934A - Sheet material cutting machine drive : en fr
  • US2223366A - Abrasive throwing equipment : en
  • US2223517A - Preparation of 4-chlor-4'-diethylamino benzophenone : en
  • US2223786A - Borehole pressure gauge : en
  • USD123772S - Design for an electric iron : en
  • FR858746A - Improvements in relays : en fr
  • GB529967A - Improvements in or connected with cutter-chain machines for use in mining coal and other minerals : en
  • US2223484A - Mouth hygiene kit : en
  • US2223475A - Fish lure : en
  • US2223646A - Ophthalmic mounting : en
  • USD123841S - Design for a key holder : en
  • DK58218C - Control device for air-cooled oil coolers built into motor vehicles. : da en
  • FR858889A - Oxy-aero-acetylene torch : en fr
  • GB529956A - System of coupling transmission circuits : en
  • FR858884A - Device for ball joint universal joint by means of a central drive allowing the turning at 45 degrees, for all mechanical applications : en fr
  • GB530009A - Improvements in method of and apparatus for continuously and automatically separating the solid constituents from the liquid constituents of a cyanided ore pulp, and forseparating the precipitates from cyanide solutions : en
  • DE699732C - Frame for threshing machines : de en
  • DE699739C - Pintuck guide for sewing machines : de en
  • GB530123A - Improvements in valve mechanism for 4-stroke internal combustion engines : en
  • GB530224A - Improvements in or relating to the threading of filaments through apertures : en
  • US2223794A - Cleat : en
  • USPP434P - Carnation : en
  • USD123818S - Design for a range or similar article : en
  • US2223992A - Vehicle detection device : en
  • CA392955A - Staggered frequency signal distribution : en fr
  • US2223856A - High output vapor generator for aircraft : en
  • US2223757A - Pump : en
  • CA392932A - Typewriter : en fr
  • DE699693C - Drive belt : de en
  • GB530075A - Improvements in or relating to apparatus for dropping bombs from aeroplanes : en
  • US2223497A - Expanded metal lath cutting machine : en
  • DE674646C - Cleaning device for water closures of sink basins : de en
  • DE699867C - Device for ventilating the height chambers of aircraft : de en
  • US2223860A - Multiple roll wringer : en
  • US2223947A - Refrigerating apparatus : en
  • DE699586C - Steerable aircraft wing : de en
  • US2223688A - Heat exchange apparatus : en
  • US2223769A - Casing or cabinet structure for water heaters and the like : en
  • US2223827A - Transuterine insufflator : en
  • CA392952A - Pile foundation support : en fr
  • US2223386A - Steam operated locomotive : en
  • US2223659A - Iron-chromium-nickel-carbon-nitrogen heat-enduring alloy steels : en
  • US2224004A - Sealed container construction : en
  • AU112011B2 - Improvements in or relating to wheel construction : en
  • CA392897A - Thermionic amplifier circuit : en fr
  • CA392926A - Electrical conversion system : en fr
  • AU112003B2 - Improvements in or relating to machines for moulding counters for boots or shoes : en
  • AU482139A - Improved gaseous fuel injector for internal combustion (constant volume) engines and method of operating thesame : en
  • DE699745C - Air foam generator : de en
  • US2223753A - Art of producing fermented malt beverages : en
  • US2223791A - Solvent cleansing : en
  • CA392951A - Aluminium-zinc alloy : en fr
  • US2223447A - Short-wave radiotherapy system : en
  • US2223525A - Film magazine light trap : en
  • CA392880A - Coated metal container : en fr
  • CA392966A - Radio fidelity control circuit : en fr
  • US2224028A - Looper-mechanism for sewing machines : en
  • US2223370A - Metal casting mechanism : en
  • CA392899A - Mineral concentration : en fr
  • AU515239A - Improvements in or relating to injection or extrusion molding : en
  • DE699560C - Line connecting clamp : de en
  • AU513339A - Improvements in or relating to shock absorbing devices : en
  • US2223708A - Means for the control of the engines of multiengine aircraft : en
  • CA392906A - Colour photography : en fr
  • DE699803C - Signaling device for displaying the sequence of events : de en
  • GB530037A - Improvements in precipitation of cellulose triacetate : en
  • FR858923A - Process for purifying sweet liqueurs : en fr
  • FR858966A - Improvements to fuel pumps : en fr
  • US2223494A - Production of cyclic alcohols and ketones : en
  • FR858907A - New or improved bodywork or body for vehicles, and materials used in its construction : en fr
  • GB529943A - An improved device for use in effecting the removal of elastic spikes used in retaining permanent way rails in position : en
  • GB530199A - Improvements in or relating to electric circuit interrupters having arc extinguishingstructures : en
  • GB530203A - Improvements relating to conveyor control devices : en
  • USD123787S - Design for a dress : en
  • DE699551C - Production of active coal from carbonaceous substances by gas activation : de en
  • SE100376C1 - : en sv
  • AU111988B2 - Improvements in and relating to electric discharge devices : en
  • CA392855A - Motor wheel unit : en fr
  • CA392901A - Vehicle suspension : en fr
  • DE699722C - dspot welding machines : de en
  • GB530103A - Improvements in or relating to adhesive material : en
  • US2223400A - Furnace wall : en
  • US2223710A - Motor vehicle glare preventing means : en
  • US2223914A - Thread production : en
  • FR858831A - Improvements to vehicle wheels and removable hubcaps intended for them : en fr
  • FR858877A - Improvements in means for attaching metal stopper devices to bottles and other similar containers : en fr
  • GB529935A - Locking device for nuts : en
  • CA392908A - Plasticizer : en fr
  • FR858965A - Steering wheel for motor vehicles : en fr
  • GB530087A - Improvements in or relating to automatic telephone systems : en
  • DE699780C - Suspension device for electrical lights : de en
  • DK58205C - Iconoscope. : da en
  • DE699615C - Tuning means activated switchover from one waveband to the other : de en
  • FR858795A - Warning device for automobiles : en fr
  • DE699554C - Process for the preparation of partially esterified compounds of the dihydrooestrin series with free phenolic hydroxyl : de en
  • DE699646C - Device for locking and unlocking ejectable canopies or the like on aircraft : de en
  • DE699853C - Crank head for machines with cylinders arranged in a star shape, especially for star engines : de en
  • US2224057A - Respiratory mask : en
  • DE699784C - dyes : de en
  • FR858882A - Method and device for applying, developing and / or fixing photographic layers by the semi-wet process : en fr
  • US2224115A - Band-filter coupling circuit for television amplifiers : en
  • GB530215A - Process for dyeing leather, production of disazo dyestuffs more especially for use therein and the resulting dyestuffs : en
  • GB530178A - Improvements in or relating to ventilating systems : en
  • US2223534A - Device for taking up railways : en
  • GB530059A - Improvements in means for controlling the draught in the flues of combustion apparatus : en
  • US2223491A - Railway rail : en
  • USD123848S - Design for a brooch or similar article : en
  • USD123757S - Design fob a fluorescent lamp fixture : en
  • DE699556C - propylamine decoctions : de en
  • US2223831A - Tool holder : en
  • US2224007A - Apparatus for heat-treating metal bodies : en
  • USD123845S - Design for a dress : en
  • GB529927A - Improvements in or relating to induction heating apparatus : en
  • DE699567C - Arrangement for speed or speed control of multi-phase asynchronous or synchronous motors by changing the frequency fed to the motors : de en
  • FR858958A - Improvements to radiators for airplanes and similar devices : en fr
  • GB530164A - Improvements in or relating to carboys, bottles, cans and like containers : en
  • GB530173A - Process for the production of hydroxylamine salts : en
  • US2223451A - Apparatus for removing surface metal from metallic bodies : en
  • US2223724A - Shortening and process of producing the same : en
  • DE699774C - : de en
  • DE699817C - Submersible : de en
  • FR858861A - metal structural element and its applications : en fr
  • GB530154A - Improvements in and relating to vegetable and like shredding devices : en
  • DK58213C - Turning shoe sewing machine. : da en
  • FR858798A - Process for preparing branched diolefins : en fr
  • GB529996A - Processes of preparing resinous condensation products : en
  • GB530118A - Improvements in or relating to electric generators for use in mines : en
  • GB530165A - Improvements in tubulous boilers : en
  • FR858942A - Reel for balls of knitting yarn : en fr
  • US2224012A - Window curtain supporter : en
  • FR858915A - Devon perfected : en fr
  • USD123753S - Combination sound and motion picture cabinet : en
  • US2223653A - Pump shoulder liner : en
  • US2223660A - Windshield cleaner : en
  • FR858891A - Phonographic records and their manufacturing process : en fr
  • DE699727C - Making holes in the smallest diameter plates made of glass or metal : de en
  • GB529993A - Process for the production of mixed adhesives : en
  • GB530076A - Ventilating devices for vehicles : en
  • FR858834A - Improvements to devices for molding and wrapping plastic tablets : en fr
  • GB530080A - Improvements in signalling devices for use on railroads : en
  • US2223393A - Method for reducing unsaturated germinal gland hormones : en
  • DE699656C - Process for the pressure hydrogenation of carbons, tars or mineral oils : de en
  • FR858912A - Process for obtaining reserves colored under aniline black with leucon ethersalts of tank dyes : en fr
  • GB530157A - Improvements in or relating to a process of producing an edible cereal product, and the product resulting therefrom : en
  • GB530161A - Lug and slot attachment for handles : en
  • FR858881A - Electric salt bath oven : en fr
  • US2223575A - Adhesive compositions : en
  • USRE21646E - Refrigerator : en
  • DE699610C - Artificial leaf tendril made of paper, cardboard or the like for garlands : de en
  • FR858812A - Device for controlling the yarn guide in order to obtain spools of all shapes on a winder : en fr
  • US2223978A - Filing device : en
  • US2223435A - Fluid fuel burning apparatus : en
  • US2223496A - Sound reproducer : en
  • FR858841A - Improvements to cyclic ion exchange processes : en fr
  • US2223816A - Formaldehyde-urea composition containing a latent accelerator : en
  • DE699804C - Plumb and distance measuring device : de en
  • US2223949A - Sorbitol borates and salts thereof : en
  • USD123778S - Design fob a dress : en
  • US2223535A - Variable-speed power-transmission mechanism : en
  • US2223650A - Semitrailer : en
  • GB530196A - Improvements in or relating to fuel injectors for internal combustion engines : en
  • GB530004A - Automatic tyre inflator : en
  • DE699589C - Vehicle box for closed passenger vehicles : de en
  • DE699766C - Movable kiln for smoldering wood, peat and similar fuels : de en
  • DK58221C - Tear-off device for paper strip holders. : da en
  • US2223685A - Advertising display device : en
  • USD123823S - Brooch or similar article : en
  • DE699593C - Changeable pen with inevitably shiftable lead carriers one after the other : de en
  • US2224074A - Strap : en
  • FR858871A - Mounting device for long span lines : en fr
  • US2223538A - Manufacture of molded articles : en
  • GB529966A - Improvements in and connected with electric switches of the tumbler type : en
  • GB530181A - Means for indirectly forced commutation of static current converters : en
  • US2223378A - Deflector for windshields : en
  • GB530209A - Improved construction of fastening device for folding hoods of vehicles : en
  • US2223532A - Slip cover for automobile seats : en
  • US2223581A - Method of and apparatus for controlling temperatures : en
  • USD123833S - Design fok a dress : en
  • DK58204C - Process for the Preparation of Aminobenzolsulfonic Acid Amide Compounds. : da en
  • GB530043A - Improvements in or relating to handbag and like frames : en
  • FR858764A - Slabs and plates, doors, partitions and other elements that can be used in the building : en fr
  • US2223578A - Washing machine : en
  • USD123752S - Design for an automotive parts cabinet : en
  • DE699763C - Cup-shaped knee shoe : de en
  • FR858735A - Simplified automatic adjustment X-ray system : en fr
  • DE699584C - Liquid pump with automatic control and stepless backflow regulation : de en
  • DE699781C - Process for the production of coils for electrotechnical purposes, in particular of excitation coils : de en
  • DE699648C - Single or adjustable propeller blades : de en
  • US2223849A - Means for analyzing motion : en
  • US2224082A - Slider for separable fasteners : en
  • GB530176A - Improvements in or relating to electric discharge devices : en
  • US2223607A - Ophthalmic mounting : en
  • DE699782C - Resonant relay and remote control receiving device controlled by this : de en
  • US2223361A - Ophthalmic instrument : en
  • US2223729A - Circuit interrupter : en
  • GB529928A - Improvements in or relating to welding : en
  • GB530195A - Improvements in apparatus for drying wool and other fibrous materials : en
  • DE699571C - Cleaner and cooler for generator gas, especially wood gas operation : de en
  • DE699587C - Adjustable bearing for the wings of Verstelluftzüge : de en
  • FR858823A - Television enhancements : en fr
  • US2224014A - Method for control of catalytic processes : en
  • CA392877A - Gate lock : en fr
  • AU111977B2 - Improvements in or relating to shock absorbing devices : en
  • DE699639C - Double cone friction clutch and double cone brake with hydraulic control arranged between the two : de en
  • DE699748C - Spoke lock for bicycles attached to the rear wheel strut by means of a base plate : de en
  • DE699868C - Arrangement of a weight serving for mass balancing on the lever system of swivel mounts for automatic firearms in aircraft : de en
  • US2223633A - Venetian blind tilt mechanism : en
  • US2223723A - Phonograph : en
  • DE699594C - Drawing device for hatching, drawing in geometric figures, etc. like : de en
  • DE699717C - Switching device working with mechanical contacts : de en
  • CA392894A - Fluid pervious formation treatment : en fr
  • DE694646C - Wood grinder : de en
  • CA392887A - Measuring instrument : en fr
  • FR858922A - Starch treatment process : en fr
  • FR858925A - Compression refrigeration machine : en fr
  • AU512239A - Improvements in and relating to electric discharge devices : en
  • DE699833C - radio or electrical devices to the power grid by means of a plug by unauthorized persons : de en
  • US2223542A - Food dicing apparatus : en
  • US2223403A - Cord locking mechanism for venetian blinds : en
  • AU514339A - Improvements in lubricant pumps, particularly for the gear boxes of marine engine-units : en
  • DE699769C - Process for revitalizing adsorption filters with a gas stream moving in a circuit : de en
  • FR858888A - Lower bearing set for bicycle, tandem or similar steering with double thrust bearing : en fr
  • GB530098A - Improvements relating to electric discharge lamps and starting apparatus therefor : en
  • GB530135A - Improvements relating to lifting and transporting trucks : en
  • FR858774A - Portable harvester-destemmer : en fr
  • US2223951A - Decorating harness : en
  • US2223566A - Colostomy irrigator : en
  • US2223596A - Anchor iron : en
  • US2223825A - Intermediate frequency amplifier : en
  • US2223886A - Process for preparing zinc formaldehyde sulphoxylate : en
  • US2223994A - Check valve : en
  • USD123797S - Design for a dress : en
  • CA392870A - Internal combustion engine : en fr
  • DK58214C - Wheelbarrow for Loading and Transport of Grain Fabrics. : da en
  • DE699710C - Process for the preparation of N- (1) -alkylsulfonic acid-5-pyrazolones : de en
  • US2223413A - Geared transmission coupling : en
  • GB530094A - Improvements in and relating to engine and radiator installations, particularly for aircraft : en
  • GB530194A - Improvements in and relating to universal joints : en
  • GB530233A - Improvements relating to shelves for refrigerators : en
  • DE699608C - Process for the production of condensation products from hydrocarbons : de en
  • DE699661C - Basic rangefinder, especially for photographic apparatus : de en
  • FR858970A - Device for brushing and especially for cleaning shoes : en fr
  • US2223676A - Storm and screen window hanger : en
  • US2223850A - Process for refining and obtaining valuable products from tall oil : en
  • USD123750S - Combined ashtray agd-cigarette-dispenser : en
  • USD123825S - Design foe a bird nest : en
  • FR858792A - Chest for forming stockings or other similar applications : en fr
  • CA392974A - Power transmission mechanism : en fr
  • US2223719A - Hosiery : en
  • US2223689A - Control mechanism for steam heating systems : en
  • FR858773A - Lawn mower protection device : en fr
  • FR858830A - Process by which stockings or other clothing gives the illusion of a perfect line using appropriate shadow effects : en fr
  • US2223736A - Transmission circuit : en
  • US2223570A - Apparatus for producing artificial respiration : en
  • DE699684C - Winding device for pull-through windings : de en
  • FR858852A - Device for protecting the edges against cooling by the outside air in the vertical drawing of sheet glass : en fr
  • US2223482A - Locomotive : en
  • US2223556A - Fractionating tower : en
  • US2223720A - Portable hole cutting machine : en
  • US2223996A - Hotbed frame : en
  • USD123763S - Combined electric lamp casing and support : en
  • US2223695A - Lid lifter for containers : en
  • US2223936A - Device for depositing chemicals : en
  • DE699728C - ge shaft conveyor machines : de en
  • US2223754A - Art of sterile packaging : en
  • US2223782A - Saw setter and filer : en
  • US2223896A - Filling end parting and clamping mechanism : en
  • GB530060A - Improvements in or relating to electric water heating devices : en
  • US2223389A - Guy wire fastener : en
  • USD123800S - Be sign for, a shoe or similak. article : en
  • USD123839S - Design for a radio receiver cabinet : en
  • US2223480A - Container sealing machine : en
  • US2223476A - Method for making pile fabric : en
  • US2223803A - Telephone installation : en
  • US2223824A - Tire chain : en
  • US2223422A - Ice pick : en
  • US2223940A - Ventilating system : en
  • DE699564C - Storage for the armature shaft of magneto-electric alternators : de en
  • DE699578C - Evaporative cooling device for aircraft engines : de en
  • FR858711A - New explosive device for defense against aircraft and other uses : en fr
  • US2223510A - Device for topping knitted fabric : en
  • DE699761C - Device for the onward conveyance of bulk material, in particular grain, fed to a separator by means of air : de en
  • GB529916A - Improvements in or relating to a device for introducing tubes into tube-bending machines : en
  • DE699791C - Device for determining the water content on ung of free-flowing material : de en
  • FR858944A - Process for preparing alkylated aromatic sulfonic acids : en fr
  • DE699599C - Device for straight-riding on a mountain for funding purposes : de en
  • GB530180A - Improvements in or relating to freezing machines : en
  • DE699604C - Winding arrangement for transformers and reactors : de en
  • GB530064A - Improvements in and relating to metal driving chains, the links of which have a plurality of link plates : en
  • GB530191A - Improvements in emulsifying apparatus : en
  • DE699652C - Glass vessel : de en
  • GB530044A - Improvements in and relating to refrigerating machines arranged in cascade : en
  • GB530047A - Improvements in and relating to electric illuminating circuits : en
  • US2224095A - Tube for heat exchanging apparatus : en
  • DE699533C - Firearm for those projectiles whose charge is housed in a cartridge case connected to the projectile and having a smaller diameter than that of the projectile caliber : de en
  • FR858753A - : fr
  • FR858849A - Rectifying instrument with several measuring ranges for measurements of direct and alternating currents : en fr
  • FR858726A - Advanced training in electromagnetic valves : en fr
  • FR858930A - Device for pumping volatile liquids : en fr
  • DE699559C - Antenna mast base isolator for very high pressure loads : de en
  • DK58215C - Motor vehicle, in particular Rear motor vehicle, with forked center tube chassis. : da en
  • US2223526A - Toilet seat : en
  • DE699844C - Cooling and gap sealing for multi-cell rotary compressor : de en
  • GB530144A - Improvements in or relating to ball joints : en
  • GB530065A - Improvements in or relating to the production of luminescent surfaces : en
  • FR858939A - Hermetic device for vacuum chambers : en fr
  • DE699687C - Process for dividing (cutting) or combining piezoelectric crystals with a low melting point, in particular seignette salt crystals : de en
  • US2223991A - Electrical socket and support therefor : en
  • CA392922A - Spark plug : en fr
  • CA392948A - Box stapling machine : en fr
  • DE699849C - Process for improving the thermal degradation of synthetic rubber in the form of fur : de en
  • CA392912A - Expansion joint assembly : en fr
  • FR858832A - Apparatus for supplying articles in sheet form to machines of all kinds and in particular printing presses : en fr
  • GB530053A - Improvements in or relating to the manufacture of electric cables : en
  • US2223767A - Machine for feeding photographic paper : en
  • CA392933A - Typewriter : en fr
  • FR858804A - Ski carrier device for motor vehicles : en fr
  • FR858988A - Process for the production of butadiene : en fr
  • GB530088A - Improvements in or relating to conveyors for conveying glass bottles and other formsof glassware : en
  • US2223979A - Lipstick device : en
  • SE100418C1 - : en sv
  • US2223440A - Work presenting means for shoe machines : en
  • US2223520A - Preparing fermentable mashes : en
  • CA392875A - Solid fuel igniting apparatus : en fr
  • CA392889A - Street sweeper : en fr
  • CA392954A - Packaging apparatus : en fr
  • CA392861A - Ornamental wheel : en fr
  • CA392847A - Harrow : en fr
  • CA392956A - Catalytic carrier system : en fr
  • GB530110A - Improved micrometer adjustment and locking devices for periodically operated valves : en
  • CA392911A - Radial pump control device : en fr
  • US2223878A - Clamp for paper cutters : en
  • US2224058A - Process for the manufacture of ketones of the cyclopentanopolyhydrophenanthrene series and their enol derivatives : en
  • DK58210C - Greenhouse and mist bench roofs consisting of synthetic resin. : da en
  • CA392868A - Electrical connection : en fr
  • US2223550A - Condensation of pine oil with a phenol having an unsaturated hydrocarbon side chain : en
  • US2223705A - Pressure gauge with barometric correction : en
  • US2223488A - Evaporation plant : en
  • AU511139A - Improvements in and relating to mining machines : en
  • US2223424A - Master cylinder : en
  • CA392924A - Package wrapping machine : en fr
  • CA392976A - Cylindrical printing surface production : en fr
  • US2223382A - Method of making lenses : en
  • US2224052A - Wind power machine : en
  • USD123822S - Design fok, a sand glass : en
  • US2223564A - Vibrator circuit : en
  • US2223358A - Pheasant brooder : en
  • US2224067A - Regulator system : en
  • GB530033A - An improvement in or relating to metal-planing machines : en
  • CA392928A - Short wave communication system : en fr
  • US2223637A - Door operating system : en
  • USD123761S - Design for a lighting unit : en
  • US2223602A - Sand sucker apparatus : en
  • US2223493A - Oxidation of cyclic compounds : en
  • GB530167A - Improvements in and relating to apparatus for continuously determining the specific gravity of a suspension : en
  • US2223809A - Apparatus for applying liquid insecticide to plants : en
  • US2223968A - Eye set for artificial figures : en
  • US2224063A - Rivet set or tool retaining means for pneumatic hammers and the like : en
  • USD123754S - Design fok a pipe : en
  • US2223560A - Combination kit : en
  • US2223910A - Outlet box securing means : en
  • US2223557A - Support : en
  • USD123784S - Design fob a range or similar article : en
  • US2223934A - Method for decomposing acid sludge : en
  • US2223954A - Method of and apparatus for assembling strands : en
  • US2223790A - Denatured alcohol composition : en
  • US2224029A - Method of stocking production : en
  • USD123804S - Design for a dress : en
  • US2224005A - Electrical transmission circuit : en
  • US2224017A - Container and method of making same : en
  • GB530117A - Improvements in or relating to caliper gauges : en
  • FR858837A - Sanitizer for wine and alcohol containers : en fr
  • GB530152A - Improvements in and relating to hose connections for vacuum cleaners : en
  • US2223459A - Combination thermoplastic window frame and weather seal : en
  • GB529980A - Improvements in and relating to loop equipped radio receivers : en
  • DE699622C - Arrangement for reducing mechanical vibrations in multi-shaft propeller drives with electrical machines : de en
  • FR858743A - Glass with volumetric and medium mark to obtain it : en fr
  • US2223338A - Door or window framing : en
  • US2223439A - Well perforator : en
  • US2223533A - Drill feeding mechanism : en
  • FR858872A - Glass feeding apparatus for rolling mills, etc. : en fr
  • FR858781A - Non-sticky plastics and method of preparing such materials : en fr
  • US2223768A - Method of making razor heads : en
  • US2223976A - Pressure responsive device : en
  • USD123828S - Design fok- a dress : en
  • GB530156A - Improvements in or relating to friction surface conditioning compositions : en
  • AU111994B2 - Improvements in or relating to gang controlled tunable circuit arrangements : en
  • FR858709A - Improvements made to models, models and drawings intended to be projected on a screen, in particular for educational purposes : en fr
  • FR858875A - New presentation and production of fabrics and others : en fr
  • FR858929A - Product for extinguishing fires : en fr
  • FR858982A - Control and regulation device for oil heating systems : en fr
  • US2223981A - Game : en
  • FR858814A - Improvements to boxes of cardboard or similar material : en fr
  • FR858784A - Improvements in processes and devices for the continuous and vacuum distillation of gems, in particular pine gems : en fr
  • GB529982A - Improvements in and relating to two-way electric communication systems : en
  • GB530017A - Improvements in or relating to power drive devices and liquid dispensing apparatus employing such power drive devices : en
  • GB530228A - Improvements in and relating to electric converting systems : en
  • US2223576A - Car-rocking device : en
  • USD123843S - Design for a christmas tree ornament : en
  • FR858768A - Improvements to clamp-shaped devices, to affix indications (impressions, perforations, etc.) on tickets, cards, tickets or other : en fr
  • DE699705C - Pit stamp : de en
  • DE851405U - PROCESSES FOR THE CLEAVAGE OF HYDROCARBONS AND SUR PRESSURE HYDRATION OF COALS : de en
  • GB530151A - Improvements relating to hydraulic brakes : en
  • FR858931A - Process for the manufacture of printing plates of light metal, in particular of aluminum or its alloys : en fr
  • GB530125A - Improvements in and relating to electrical terminals : en
  • US2223383A - Oxidation of hydrocarbons to phenols : en
  • US2223425A - Luminescent material : en
  • DE699759C - Device for manufacturing hollow bricks closed on all sides : de en
  • DE699770C - Process for the high concentration of sulfuric acid and similar corrosive liquids : de en
  • FR858983A - Device for fixing guide jigs on autogenous metalworking machines : en fr
  • GB529932A - Improvements in or relating to bridles : en
  • FR858917A - Process for the gasification of fuels in the form of dust, or in fine pieces, by means of mixtures of oxygen and water vapor : en fr
  • GB530111A - Improvements relating to the speed control of engines for synchronous operation : en
  • US2223752A - Refrigeration : en
  • USD123768S - Design fob a fluorescent lamp fixture : en
  • FR858928A - Screening device : en fr
  • GB530114A - Improvements in or relating to wireless aerials : en
  • US2224108A - Machine tool : en
  • USD123832S - Design for a dress : en
  • USD123834S - Design for a dress : en
  • US2224078A - Telegraph installation : en
  • US2223355A - Apparatus for coating strip : en
  • US2223734A - Gang vibrator construction : en
  • CA392905A - Photographic tri-pack : en fr
  • US2223414A - Phonograph : en
  • US2223507A - Induction heating method : en
  • GB530093A - Improvements in or relating to educational devices : en
  • US2223589A - Drawing frame for treating vegetable, animal, or artificial fibers of varying lengths : en
  • FR858980A - Rigid insulator system : en fr
  • GB529939A - Improvements in and relating to spool-driving means for cinematograph apparatus : en
  • GB530170A - Improvements in and relating to water tube boilers : en
  • DE699802C - Receiver for pulses of different duration or number : de en
  • GB530035A - Improvements in reciprocating engines : en
  • GB529981A - Improvements in or relating to electric communication cables : en
  • GB530003A - Improvements in and relating to the separation of mixed metals : en
  • US2223950A - Polarized wave transmitting system : en
  • USD123802S - Design for a dress : en
  • FR858992A - Process for preparing hydrocarbons having a higher carbon content from methane : en fr
  • US2223583A - Brake : en
  • US2224001A - Apparatus for handling strand material : en
  • FR858938A - Centrifugal mixer : en fr
  • GB530226A - Improvements in or relating to the drying of starch : en
  • US2223672A - Air circulating fan : en
  • US2223985A - Thermionic valve apparatus for use on very short waves : en
  • GB530045A - Improvements in or relating to retractable gun mountings : en
  • GB530082A - Improvements in or relating to lead pencils : en
  • DE699858C - Sealing for the shafts of Schlaegermuehlen : de en
  • DE699672C - Booking track : de en
  • FR858756A - New products, usable in particular as detersive agents, and their preparation process : en fr
  • FR858919A - Fleece reinforced with a knitting fabric and device for the production thereof from the raw material coming out of a carding machine : en fr
  • GB529904A - Improvements in journal-bearings : en
  • US2223426A - Sources of light comprising an electric discharge device and luminescent material adapted to be excited by the discharge therein : en
  • US2224096A - Parallel shoe guide : en
  • GB530218A - Improvements in and relating to elastic fluid turbines : en
  • FR858782A - Water-insoluble azo dyes, vegetable fibers dyed thereby and processes for the preparation of these various products : en fr
  • GB530031A - Improved device for subdividing a flow of fluid : en
  • FR858824A - Dry cell battery : en fr
  • DE699668C - Establishment in albums and Like. To prevent the classification of pictures, photos, newspaper reports : de en
  • DE699677C - Method for measuring the degree of modulation of modulated alternating and direct currents : de en
  • DE699795C - Double-walled metal hose : de en
  • US2223367A - Insecticide : en
  • US2223928A - Production of electrolytic iron : en
  • US2224109A - Process for dewaxing petroleum oils : en
  • GB530168A - Improvements in or relating to the manufacture of basic refractories : en
  • US2224034A - Cigar lighter : en
  • US2223975A - Electric circuit breaker : en
  • US2224122A - High frequency apparatus : en
  • DE699555C - Process for the preparation of pyridinecarboxylic acids : de en
  • DE699549C - Method for stiffening woven or knitted goods consisting wholly or partially of threads from cellulose knitted fabrics : de en
  • DE699552C - Process for the extraction of asphalt-poor or asphalt-free heavy oil : de en
  • FR858855A - Chamber furnace for the production of gas and coke : en fr
  • GB530119A - Improvements in or relating to steam regulator and like valves : en
  • US2223828A - Cutting device : en
  • DE699611C - Safety shut-off device for gas lines : de en
  • DE699612C - Device for shifting the sampling time of the character pulses in start-stop telegraph receivers : de en
  • FR858808A - High efficiency modulation system particularly applicable to radio and radio telegraph transmitters : en fr
  • GB529949A - Improvements relating to stiffening inserts for collars for personal wear : en
  • US2223567A - Valve apparatus : en
  • US2224036A - Garter and method of making same : en
  • US2223715A - Hydraulic transmission control : en
  • FR858952A - Process for increasing the resilience of special heat-refractory steels based on nickel and chromium : en fr
  • US2223732A - All purpose grinding apparatus : en
  • US2223749A - Rib knit fabric : en
  • US2223502A - Automobile speed governor : en
  • US2224003A - Cracking or pressure hydrogenation of hydrocarbons : en
  • US2224030A - Cigar lighter : en
  • US2223464A - Stabilized yeast : en
  • FR858701A - New optical pyrometer with disappearance of filament : en fr
  • GB530210A - Improvements in or connected with plug and socket couplings for electrical purposes : en
  • DE699819C - Rotary flap designed as a hollow body : de en
  • US2223513A - Radio direction finder : en
  • DE699715C - Counter-current brake circuit for three-phase motors with brake monitor : de en
  • FR858770A - Sodium sulfosalicyl chemical to fight "downy mildew" and "oidïum" of vines and other plants prone to these plagues : en fr
  • FR858836A - Apparatus for weaving velvet or chenille threads : en fr
  • US2223537A - Piezoelectric crystal apparatus : en
  • US2223929A - Process for electrolytically producing arsenates : en
  • US2224081A - Melting pot : en
  • FR858911A - Clamp valve for flexible hoses : en fr
  • GB530021A - Improvements in and relating to fluorescent materials : en
  • US2223434A - Pipe joint : en
  • US2223522A - Four wheel drive transmission : en
  • DE699772C - Process for the preparation of ª ‰ -oxyaethylcarbaminobenzene-p-arsic acid : de en
  • GB529934A - Improvements in and relating to electric discharge devices : en
  • GB530024A - Improvements in or relating to radio and like transmitters : en
  • GB530179A - Improvements relating to slicing machines : en
  • DE699825C - Sliding connection between turbine housing and support body : de en
  • CA392917A - Tobacco leaf feed : en fr
  • CA392949A - Wired box part making machine : en fr
  • US2223364A - Method of producing higher alkyl aromatic sulphonates : en
  • GB530183A - Improvements in and relating to portable building structures : en
  • US2223798A - Process for the removal of acid components from hydrocarbon distillates : en
  • US2223402A - Apparatus for conditioning or desurfacing metal : en
  • US2223775A - Footwear : en
  • US2223909A - Method of making layers sensitive to light : en
  • FR858899A - Service Agent : en fr
  • FR858870A - Process for the manufacture of a product intended for the deacidification of water : en fr
  • GB529974A - Improvements in or relating to piston air pumps for the sheet-conveying means in printing machines : en
  • DE699843C - Process for removing carbonic acid from industrial gases : de en
  • DE699776C - Manufacturing process of scanning screens for electrical remote transmission of images or characters of constant content : de en
  • USD123776S - Wall cabinet for lubricating equipment : en
  • DE699723C - oils from the boiling range of diesel oils to ready-to-use oils : de en
  • FR858960A - Electric filter device : en fr
  • US2223498A - Tobacco manipulating machine : en
  • US2223701A - Oil filter : en
  • DK58211C - Valve, preferably for heating pipes, and arranged for setting in different control areas. : da en
  • FR858706A - Sealing device for pistons of engines and other machines : en fr
  • FR858883A - Liquid fuel torch lamp for obtaining high temperatures : en fr
  • GB529947A - Process for the manufacture of dyed gelatin layers for photographic purposes : en
  • FR858803A - Cellulose ester hose : en fr
  • FR858862A - Apparatus for separating or joining two objects that can be applied against each other : en fr
  • GB529940A - A device for packing the joints between rotating pipe lines : en
  • US2224019A - Starching mechanism : en
  • US2223486A - Toaster : en
  • US2223857A - Picker for mechanical looms : en
  • US2224103A - Exercising apparatus : en
  • DE699538C - Winch : de en
  • DE699585C - Fastening device for covering materials : de en
  • DE699667C - Permanent wash : de en
  • CA392939A - Carbon and gum remover : en fr
  • CA392935A - Ether stabilization product : en fr
  • US2223411A - Mineral oil composition : en
  • US2223846A - Bottle conveyer : en
  • US2223655A - Oil cooler : en
  • US2223962A - Automobile parking and storing unit : en
  • US2224023A - Toggle head and bolt : en
  • DE699673C - Process for desulphurising and cleaning iron baths : de en
  • US2223423A - Tire pressure warning device : en
  • US2223883A - Fastener for screens and storm windows : en
  • US2224087A - Foldable stretcher : en
  • USD123810S - Design for a toy trailer : en
  • US2223350A - Electrical therapeutic apparatus and method : en
  • US2223593A - Roll ironer : en
  • FR858985A - Azo dyes of the stilbenic series and process for preparing these dyes : en fr
  • US2224120A - Treatment of oil wells : en
  • CA392859A - Double-cooker : en fr
  • USD123807S - Design for a tire display rack : en
  • DE699754C - Dismountable shelter ceiling : de en
  • CA392968A - Fibrous material digesting process : en fr
  • DE699736C - Ready-to-install shaft seal : de en
  • DE699848C - Conveyor basket suspension : de en
  • DK58208C - Ion discharge tube with arcuate discharge for unidirectional high AC voltages. : da en
  • FR858920A - Front shoe upper formed by a central strap and various side straps : en fr
  • US2223673A - Push button switch : en
  • US2223631A - Sodium carbonate-sulphur composition : en
  • AU111981B2 - Improvements relating to electric distribution pillars : en
  • DE699570C - Pistons for cathode ray tubes with blackened inner wall : de en
  • FR858897A - Improvements to hydraulic power transmission devices : en fr
  • AU111989B2 - Improved gaseous fuel injector for internal combustion (constant volume) engines and method of operating thesame : en
  • US2224054A - Press : en
  • US2223362A - Process of reclaiming reinforcing rings from tire beads : en
  • AU111970B2 - Improvements in or relating to wheel construction : en
  • US2223543A - Milkweed floss liberation : en
  • US2223545A - Miniature track for toy railroads : en
  • US2223822A - Television receiver : en
  • DE699655C - Wetting agent for mercerising liquors : de en
  • US2223353A - Suction cleaner : en
  • US2223746A - Vehicle body construction : en
  • US2224045A - Apparatus for boning fish : en
  • DE699588C - Holding lock, especially for loads that can be dropped from aircraft : de en
  • FR858762A - Method, machine and accessories for burying manure in the soil : en fr
  • GB529918A - Improvements in or relating to synchronous-motor electric clocks : en
  • GB530112A - Chill moulds and dies : en
  • FR858755A - Hydraulic brake control with interposition of a mechanical servo-brake : en fr
  • GB530089A - Improvements in sun visors for vehicles : en
  • GB530054A - Vaporizing furnace for zinc and other metals : en
  • FR858821A - Process for molding polymerized crystalline products and resulting products : en fr
  • US2223524A - Method of refining mineral oil : en
  • US2223573A - Vibrator unit : en
  • USD123803S - Design for a dress : en
  • US2224091A - Draft mechanism of tractors : en
  • DE699634C - Device for throwing coins into high-level gas machines : de en
  • FR858816A - Process for hot rolling of sheets, strips, etc., and furnaces for implementing this process : en fr
  • FR859000A - Selective protection device for electrical networks : en fr
  • CA392923A - Freight transferring apparatus : en fr
  • CA392884A - Electric blasting initiator : en fr
  • DE699657C - TV transmitter ears : de en
  • DK58217C - Motor vehicle with air-cooled Engine and Cooling fan. : da en
  • US2223397A - Treatment of wells : en
  • US2223807A - Process of producing alkyl peroxides and hydroperoxides : en
  • US2223514A - Spacing means for the cage bars of presses : en
  • CA392907A - Colour photography : en fr
  • CA392946A - Box blank making machine : en fr
  • DE699534C - Shot counters for automatic firearms : de en
  • US2223433A - Advertising device : en
  • US2223728A - Control system for reversible rolling mills : en
  • US2223926A - Automatic reset switch : en
  • CA392950A - Centrifugal fan : en fr
  • FR858842A - Fittings for the assembly of glazed frames used for the cultivation of early vegetables and other applications : en fr
  • GB530052A - Improvements in or relating to electron discharge devices and envelopes therefor : en
  • US2223707A - Soil pulverizer : en
  • US2223618A - Table, bench, and the like : en
  • US2223744A - Wing and similar construction : en
  • US2223511A - Wringer roll drive mechanism : en
  • US2223731A - Circuit interrupting device : en
  • US2223812A - Television system : en
  • US2223887A - Variable radio aerial : en
  • US2223908A - Cathode ray tube : en
  • FR858791A - Hollow brick for floors, with or without iron reinforcement : en fr
  • US2223399A - Supply of electric discharge tubes excited inductively : en
  • AU111998B2 - Improvement in ultrahigh-frequency signal-translating stage : en
  • DE693959C - Control device for the amount of air generated by a fan for cooling and purging the working cylinder of an internal combustion engine : de en
  • US2223429A - Air conditioning, cooling, and heating apparatus : en
  • US2223915A - Tire spreader : en
  • US2223960A - Collapsible push chair and the like : en
  • CA392881A - Paint and varnish remover : en fr
  • US2223485A - Countersink : en
  • US2223568A - Mattress cover construction : en
  • US2224011A - Process of preparing dulcitol and mannitol monoborate monocondensation products : en
  • DE699839C - Self-starter for direct and alternating current operation : de en
  • US2223745A - Torque converter : en
  • CA392960A - Textile colouration process : en fr
  • US2223893A - Cellulosic product and process of producing same : en
  • US2223988A - Stoker mechanism : en
  • USD123788S - Design for a dress : en
  • US2223489A - Musical system : en
  • FR858893A - Device for resetting the recording mechanism of an automatic weft feed loom : en fr
  • US2223762A - Air conditioned display counter : en
  • US2223882A - Refrigeration : en
  • DE699812C - Pre-chamber for charging glow ovens with protection is conveyed through : de en
  • GB530204A - Improved method of firmly uniting rubber with inserts or applied layers of fibrous material : en
  • DK58219C - Bottle cap with rigid capsule. : da en
  • DE699644C - Photographic enlarger : de en
  • DE699679C - Arrangement for the neutralization of push-pull tubes Screen grid tubes push-pull stages : de en
  • DE699861C - Scraper or knife head for calibrating and smoothing the opening of the closure of paper bottles : de en
  • US2223730A - Method of attaching tips to pen nibs : en
  • US2223842A - Display device : en
  • US2223957A - Fastening device : en
  • USD123767S - Combined range lamp and support therefor : en
  • USD123791S - Design for a dress : en
  • US2223458A - Protective coating composition for metals : en
  • US2223604A - Cribbage board : en
  • DE699553C - Process for the production of chlorinated bromomethanes : de en
  • DE699682C - Switching device or vacuum switch, the contact closure of which is brought about by an external magnetic switching force : de en
  • GB530133A - Improvements in or relating to apparatus for cutting vegetables : en
  • DE699807C - Transport device for heavy barrels : de en
  • US2223890A - Ornamentation forming and feeding apparatus : en
  • DE699613C - Process for supplying and modulating tube transmitters from the same power source : de en
  • US2223898A - Two-stroke internal combustion engine : en
  • US2223354A - Wire knitting machine : en
  • US2223727A - Percussion drill : en
  • US2223540A - Protector unit : en
  • DE699778C - Circuit for three-phase motors braked with direct current : de en
  • GB530012A - Floating toy : en
  • US2223619A - Remote control for radio receivers : en
  • DE699796C - Piston with piston rings for high working pressure : de en
  • US2223380A - Machine gun : en
  • US2223405A - Desk : en
  • US2223416A - Balanced radio frequency circuit : en
  • US2223919A - Carburetor : en
  • US2223600A - Bit breaker : en
  • US2223826A - Hydraulic ram installation : en
  • US2224088A - Glass body : en
  • DE699581C - Preservation of green fodder : de en
  • CA392879A - Chemical process and product : en fr
  • AU111992B2 - Improvements in and connected with washing machines : en
  • CA392958A - Signal lamp : en fr
  • USD123756S - Design foi^ a pipe : en
  • DE699632C - Attachment of sheets as a carrier for the sound recording on the control drum : de en
  • GB529905A - Improvements in or relating to electric relays for polyphase currents : en
  • CA392849A - Wall corner : en fr
  • US2223504A - Apparatus for improving the operation of apparatus subject to conditions of high pressure and temperature : en
  • US2224027A - Display card for door keys : en
  • US2224101A - Water softening device : en
  • US2223587A - Method of making plywood shells : en
  • US2223948A - Dulcitol and mannitol borates and salts thereof : en
  • CA392957A - Electric organ : en fr
  • DE699724C - Flat weft knitting machine for the production of weft knitted fabrics : de en
  • CA392844A - Bonded refractory : en fr
  • US2223401A - Furnace wall : en
  • CA392892A - Pyrolysis of secondary-butylbenzene derivatives : en fr
  • CA392931A - Humidor cigar wrap : en fr
  • US2223626A - Sewing machine : en
  • US2223764A - Coagulation : en
  • US2223938A - Alkylation of hydrocarbons : en
  • AU115468B2 - Improvements in or relating to automatically variable torque converters : en
  • FR858772A - New combination for cutting, chopping, grinding and grinding food, but more especially for making chipped apples or the like : en fr
  • DE699750C - Filling valve with self-closing : de en
  • FR858971A - Internal combustion engine without piston or valve : en fr
  • FR858717A - Hydro-electric rudder control device : en fr
  • FR858833A - Process for the separate recovery of fibrous materials and fillers from waste paper of all kinds bearing impressions or writings : en fr
  • FR858733A - Tracking device, applicable in particular, to electrical switches : en fr
  • GB529910A - Steam boilers : en
  • FR858727A - Process for the manufacture of blind elements and products obtained : en fr
  • GB530083A - An improved rail expansion joint : en
  • GB530016A - Improvements in plugs for sealing apertures in pressure vessels : en
  • GB530092A - Improvements in electric irons and other electrically heated utensils : en
  • GB529952A - Improvements in radial multi-cylinder internal combustion engines : en
  • GB530231A - Improvements in linear dimension gauges : en
  • DE699692C - Device for the production of seedlings without soil : de en
  • GB530041A - Improvements in or relating to electrolytic polishing of metals : en
  • GB530189A - Improvements relating to vehicle-operated tread devices : en
  • US2223903A - Method of producing a perborate of : en
  • USRE21649E - murray : en
  • US2223772A - Culinary device : en
  • DE673743C - Process for the production of hollow bodies from steel : de en
  • GB529915A - Improvements in and relating to methods of and apparatus for guiding trolley buses : en
  • AU111978B2 - Improvements in lubricant pumps, particularly for the gear boxes of marine engine-units : en
  • FR858876A - Precision device for centering or decentring by cursors all parts of geometric surface mechanics : en fr
  • CA392854A - Enveloping atmosphere controlling method : en fr
  • GB529922A - Improvements relating to pyrophoric lighters : en
  • USD123801S - Design for a coat : en
  • US2223531A - Protective device for electrical apparatus : en
  • US2223444A - Production of a special beer with a low percentage of sugar : en
  • US2223923A - Thread production : en
  • GB529979A - Improvements in and relating to textile drafting mechanism : en
  • US2223472A - Rolling machine : en
  • US2223726A - Protective device for electrical apparatus and systems : en
  • GB530019A - Successive switching arrangement : en
  • FR858947A - Sandal : en fr
  • FR858799A - Rubber vulcanization improvement : en fr
  • US2223454A - Press : en
  • GB529937A - Improvements relating to coal and rock cutters of the chain type : en
  • GB530188A - Improvements in or relating to die presses for working metal : en
  • CA392857A - Fire kindling device : en fr
  • GB529919A - Systems for remote indication of meter readings : en
  • GB530142A - Improvements relating to retractable undercarriages for aircraft and to locking means thereof : en
  • US2223700A - Lubricator : en
  • FR858766A - Process for the recovery of liquids : en fr
  • GB529953A - Improvements in hollow steel piles composed of channel section elements : en
  • DE699704C - Fabrics : de en
  • FR858806A - Washer and hydraulic motor under running water pressure : en fr
  • FR858886A - Device for ejecting cartridge cases in automatic firearms : en fr
  • FR858921A - Impact wrench : en fr
  • DE699568C - ators : de en
  • DK58202C - Procedure for hydrolytic decomposition of titanium compounds in solution. : da en
  • DE699631C - especial a milk scales, arranged sampler : de en
  • FR858730A - Improvements to ball hooks used in lifting and handling equipment : en fr
  • GB530025A - Improvements relating to building elements : en
  • GB529938A - Improvements relating to means for guiding control cables for aircraft : en
  • DE699662C - Crank device for a vertically movable window : de en
  • US2224084A - Concrete distributor for road pavings : en
  • DE699562C - Device for remote control and remote monitoring of adjustable organs over long-distance lines sealed off by transmitters using current signals : de en
  • FR858740A - Stamping process for conical sheath bodies : en fr
  • US2223958A - Folding furniture : en
  • US2224066A - Inner buffer for tires : en
  • GB529921A - Improvements relating to devices for raising vehicles : en
  • GB530055A - Improvements in extensible members : en
  • GB530113A - Improvements relating to percussive drilling bits : en
  • GB530051A - Improvements in or relating to electric romote control and/or supervisory systems : en
  • DE672058C - Petroleum glow light burner : de en
  • GB530227A - Television scanning systems : en
  • US2223709A - Ventilating means for automobiles : en
  • US2224008A - Picture hanger : en
  • USRE21641E - Carburetor throttle control : en
  • GB529954A - Improvements in or relating to grates : en
  • US2224000A - Electrical transmitting system : en
  • US2224072A - Dispensing container : en
  • FR858838A - Mechanical horn with rotating bell and control dial instantly adapting to door hinges : en fr
  • DE699678C - Radio reception circuit with automatic volume control : de en
  • GB530232A - Improvements relating to carburetters for internal combustion engines : en
  • DE699537C - Alarm system, especially for fire alarm purposes : de en
  • US2224083A - Typewriting machine : en
  • US2223805A - Game apparatus : en
  • US2223995A - Impulse reception : en
  • DE699577C - Device for filtering the water in aquarium tanks : de en
  • DE699664C - Process for the production of thin tubes or purposes : de en
  • US2223506A - Wave amplification : en
  • US2223737A - Shield for electrical apparatus : en
  • CA392969A - Highly polymerized organic substance : en fr
  • DE699626C - Device for lifting the arch of the foot in the form of an endless bandage made of stretchable and non-stretchable materials that surrounds the arch of the foot : de en
  • DE699751C - Skin removal device : de en
  • DE699671C - Heating device for platen presses : de en
  • DE699708C - Rotating drum, preferably smoldering drum : de en
  • DK58209C - Electric Discharge Tube with Acceleration Electrode. : da en
  • US2223594A - Mattress : en
  • FR858963A - Scraper device for intaglio printing machines, mainly for printing mechanisms surrounded by a housing : en fr
  • GB530070A - Improvements in games enclosures : en
  • GB530217A - Improvements relating to the coating of wires or the like with liquid coating compositions : en
  • FR858760A - Muzzle brakes and throttle bypass for self-loading guns : en fr
  • GB530046A - Improvements in or relating to electron discharge devices : en
  • US2223817A - Formaldehyde-urea molding composition : en
  • US2223854A - Antileak nozzle : en
  • US2223409A - Edge lighted sign : en
  • US2223509A - Float valve : en
  • US2223432A - Combination cooking vessel : en
  • US2223452A - Blowpipe apparatus for surface conditioning : en
  • US2223952A - Individual toothbrush and tooth cleanser service package : en
  • DE699815C - Electrical high-voltage switchgear with double busbars : de en
  • FR858941A - Improvements to signaling systems : en fr
  • US2223993A - Vehicle traction plow : en
  • US2223687A - Production of egg-flour paste articles : en
  • USD123755S - Combined cigarette holder and ash tray : en
  • GB529969A - Improvements in apparatus for the heat treatment of fuel briquettes : en
  • GB530073A - Improvements in and relating to electric discharge devices : en
  • DE699758C - Extrusion press : de en
  • US2223756A - Pump : en
  • FR858811A - Sliding parts of synthetic material used in cameras and their accessories : en fr
  • GB529978A - Improvements in and relating to electric lampholders and like electrical connections : en
  • GB529984A - Improvements in or relating to radio transmission systems employing pulse modulation : en
  • US2223852A - Magnesium base alloys : en
  • US2223365A - Waste and overflow outlet and fitting therefor : en
  • FR858997A - Double-sided blading disc for rotary machines, in particular for steam turbines : en fr
  • GB529920A - Improvements in electrical contacts : en
  • GB529992A - Improvements in or relating to lined cans or like containers : en
  • GB530028A - Method of recovering lithium from minerals : en
  • US2223468A - Process and apparatus for treating pyrite-containing materials : en
  • US2223503A - Scoring method and tool : en
  • US2223853A - Method of producing body portions of electrical connectors : en
  • USD123780S - Knitted fabric or similar article of manufacture : en
  • DE699755C - Notch cover for armored towers : de en
  • AU112001B2 - Improved leak clamp for pipe joints : en
  • GB529911A - Improvements relating to indicators for displaying information or data : en
  • GB530174A - Improvements in means of supercharging four-stroke internal combustion engines : en
  • DE699689C - Chassis for vacuum cleaner standing type, which consists of a one-piece ring clamp : de en
  • US2223474A - Work support : en
  • US2223445A - Web feeding mechanism for packaging machines : en
  • GB529925A - Improvements in surfacing rollers for road facings : en
  • US2223341A - Photographic printing machine : en
  • US2224068A - Articulated driving belt or chain for use with v-groove pulleys : en
  • FR858737A - Light meter for aerial photography : en fr
  • GB530008A - An improved shutter for use in connection with the roof windows of buildings : en
  • GB530020A - Improvements in or relating to fuel injection nozzles for internal combustion engines : en
  • GB530029A - Improvements in facing tiles or panels for ceilings, walls or the like : en
  • US2223344A - Lamp replacer : en
  • GB529983A - Improvements in or relating to power driven typewriters : en
  • DE699865C - Detachable canopy for aircraft : de en
  • US2223469A - Wire terminal for electric lamp sockets and other appliances : en
  • US2223635A - Operator for cover of soaking pit furnaces : en
  • US2224117A - Hatch plug : en
  • DE699548C - Clamping and feed device for full or hollow workpieces of uniform cross-section : de en
  • US2223702A - Pressure control tubing head : en
  • US2224076A - Apparatus for the evaporation of liquid dairy products : en
  • GB529995A - Improvements in or relating to flame and explosion traps : en
  • US2223904A - Process for the production of compressed fodder mixtures : en
  • FR858789A - Improvements in the preparation of catalysts : en fr
  • FR858864A - Collimator : en fr
  • FR858898A - Device for taking cigarettes from a reserve container : en fr
  • FR858973A - Multiple-piece, bushing-shaped brake armature, especially for freewheel brake hubs with brake on the inner surface of the hub : en fr
  • US2223455A - Fruit and vegetable grader : en
  • US2223518A - Bearing : en
  • US2223598A - Sampling can : en
  • US2223605A - Globe clock : en
  • US2224113A - Television apparatus : en
  • USD123851S - Design for a coat : en
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  • FR858749A - Respiratory mask : en fr
  • FR858978A - Production process of printing plates : en fr
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  • FR858790A - Improvements to engine fuels : en fr
  • FR858826A - Regulating device for internal combustion engines, especially for aircraft engines, with fuel injection and charge blower : en fr
  • GB529977A - Improvements in or relating to air heating apparatus : en
  • FR858721A - Improvements to electric furnaces, induction type : en fr
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  • FR858759A - Metal container provided with radiation fins, and method for its manufacture : en fr
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  • GB530162A - Economic air raid precaution design to blackout, shockproof and weatherproof, roof lights, north lights and windows : en
  • US2223899A - Power unit : en
  • FR858863A - Indicators for railways and other means of communication : en fr
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  • US2223441A - Sprinkling apparatus : en
  • FR858712A - Bomb more particularly usable for defense against aircraft and similar uses : en fr
  • FR858758A - Adjustable support for submachine guns : en fr
  • FR858801A - Door of chamber furnaces for the production of coke and gas : en fr
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  • FR858738A - Automatic hourly breaker for electrical circuits : en fr
  • FR858828A - Improvements made to refrigeration devices : en fr
  • DE699846C - Device for producing a weaving and spinning yarn from endless glass threads : de en
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  • AU528239A - Improvements in or relating to resinous condensation products : en
  • GB530192A - Improvements in or relating to reinforcing means for fibre or like building boards : en
  • US2223470A - Gaseous electric discharge lamp device : en
  • FR858936A - Layer with high secondary emission power : en fr
  • DE699697C - Outer skin cooler for aircraft : de en
  • USD123830S - Design for a shoe ob similar article : en
  • USD123846S - Brooch or similar article : en
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  • US2223972A - Method and apparatus for freezing comestibles : en
  • US2223862A - Cathode alloy : en
  • US2224021A - Delivery mechanism of tea-bag closing machines : en
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  • CA392940A - Aeroplane compass : en fr
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  • FR858702A - Variable flow burner : en fr
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  • DE699709C - Process for the production of carboxylic acid anhydrides : de en
  • FR858718A - Advertising cash collector : en fr
  • US2223989A - Stoker : en
  • CA392890A - Duplicating apparatus : en fr
  • DE699700C - Ski wax lubricator : de en
  • GB530131A - Improvements relating to liquid level inclinometer instruments : en
  • DE699793C - Sampler : de en
  • GB529931A - Improvements in or relating to portable devices or machines for making cigarettes : en
  • GB530193A - Improvements in or relating to evaporators for periodical absorption refrigerating plants : en
  • GB530198A - Improvements in or relating to the protection of electric rectifier systems : en
  • DE699386C - Starting device for internal combustion engines : de en
  • GB530039A - Improvements in or relating to change-speed gears : en
  • DE699733C - Pest repellants : de en
  • US2223530A - Protective device for electrical apparatus : en
  • US2224104A - Spindle : en
  • USD123850S - Design fob a beooch or similar article : en
  • CA392979A - Carbohydrate derivative : en fr
  • US2224022A - Maleic acid and fumaric acid derivatives : en
  • US2223925A - Spray-dried sugar mixture and process : en
  • US2223717A - Brake controlling means for automobiles : en
  • US2224061A - Decolorizing titanium tetrachloride : en
  • US2223387A - Process for treating protein containing materials : en
  • US2223487A - Fountain pen : en
  • US2223932A - Lubricating oil : en
  • US2223339A - Shoe : en
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  • US2223547A - Receiving system : en
  • US2223953A - Turbine : en
  • DE699789C - Control device for low-pressure steam boiler systems : de en
  • GB530099A - Improvements in and relating to freezing trays for refrigerators : en
  • US2223649A - Gear shifter means : en
  • AU112008B2 - Improvements in or relating to resinous condensation products : en
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  • US2224018A - Syringe : en
  • US2224039A - Metal testing : en
  • CA392914A - Coiled wire hank production : en fr
  • FR858840A - Device for molding a bezel with the grooves required to hold the lenses : en fr
  • DE699691C - Sheaf distributing device : de en
  • DE699726C - Method and apparatus for converting molten glass into glass gobs : de en
  • FR858802A - Device for taking cinematographic pictures of roentgen moving images, projected onto a roentgen illuminating screen and device for adding the camera to a roentgen installation : en fr
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  • USD123792S - Design for a dress : en
  • US2223643A - Method of solid catalyst disposal : en
  • US2223792A - Hydraulic apparatus for operating machine tools and the like : en
  • US2223844A - Method of making shoes : en
  • US2223944A - Check valve : en
  • US2223662A - Oil radiator : en
  • CA392846A - Steam carbureter : en fr
  • AU111972B2 - Abuilding-out unit for electrical transmission lines : en
  • CA392852A - Electric light socket and lamp base : en fr
  • CA392850A - Luggage latch : en fr
  • DE699707C - Device for smoldering carbonaceous substances : de en
  • US2223588A - Drying refrigerating units and like apparatus : en
  • US2223750A - Process of knitting : en
  • US2223806A - Mill feeder : en
  • US2224044A - Method and apparatus for the chemical analysis of materials by thermal decomposition : en
  • US2224110A - Strand covering apparatus : en
  • US2223935A - Amidine salts of alkyl naphthalene sulphonic acids : en
  • US2224111A - Fusible protective device : en
  • CA392972A - Centrifugal pump : en fr
  • DE699619C - Switching mechanism for motorized sequence controls : de en
  • DE699813C - Gas compensation device, especially for rail contacts on railways : de en
  • CA392860A - Fishing rod and line holder : en fr
  • DE699823C - Process for improving the surface of brown coal briquettes : de en
  • US2223965A - Shutter for photographic cameras : en
  • CA392886A - Coating equipment : en fr
  • GB529975A - Improvements in or relating to apparatus for the hardening of section iron of great length and in particular of rails : en
  • US2223668A - Instrument for measuring time in music : en
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  • DE699539C - the mutual entanglement of the skis : de en
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  • USD123821S - Electric razor demonstrating unit : en
  • US2223800A - Hand controlled braking mechanism : en
  • US2223999A - Process and apparatus for purifying liquids deleteriously affected by air : en
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  • US2223821A - Air valve vacuum control : en
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  • FR858720A - Special cavity floors with ceiling insulation or suspension devices : en fr
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  • CA392882A - Electric blasting initiator : en fr
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  • US2223592A - Duplex pump : en
  • US2223799A - Machining method of the races of ball bearings : en
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  • DE699675C - ndings in telex systems with dialer operation : de en
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  • USD123817S - Design for a game board : en
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  • US2224119A - Control system : en
  • US2223905A - Toy electric railway : en
  • US2223873A - Electric lamp : en
  • US2223902A - Transformer distributing system : en
  • USRE21645E - Double chain stitch sewing machine : en
  • DE699738C - Variable speed piston transmission : de en
  • FR858819A - Mounting device for telegraph lines, by which telegraph signals as well as characteristic switching signals are transmitted by current pulses of the same kind : en fr
  • USD123847S - Design fob a brooch or similar article : en
  • CA392903A - Vehicle suspension : en fr
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  • GB530145A - Improvements in and relating to signs or display devices : en
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  • FR858937A - Manufacturing process of composite titanium pigments : en fr
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  • FR858959A - Improvements in the construction of electric motors specially intended for controlling variable-pitch propellers : en fr
  • GB530139A - Improvements in or relating to wheels for roller skates : en
  • DE699785C - Process for the production of staple fibers from gorse : de en
  • FR858767A - Method and device for electromagnetic recording and reproduction of sounds : en fr
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  • US2223942A - Method of making links and antiskid cross chains therefrom : en
  • DE699832C - Concentric, air-space-insulated low-capacitance line with at least one spacer made of dimensionally stable insulating materials, wound around the inner conductor in open screw turns : de en
  • DE699695C - Copy milling machine : de en
  • FR858885A - Improvements to fishing gear : en fr
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  • GB530040A - Improvements in detergent and germicidal compositions : en
  • GB530078A - High resistance steel : en
  • US2223544A - Smoking pipe : en
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  • DE699635C - Beet harvester : de en
  • FR858943A - Process for preparing molybdo-carbonyl : en fr
  • USD123785S - Design fob a coat : en
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  • US2224071A - Catalytic reaction of hydrocarbons : en
  • DE699542C - Tipper with turntable : de en
  • DE699831C - Installation device for separators and spacers in electrical collectors : de en
  • DE699694C - Device to compensate for bending moments occurring in the company, such as nozzles in pipes, machines, etc., by means of counter-torques : de en
  • DE699651C - Saddle : de en
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  • USD123809S - Design for a dress : en
  • FR858998A - Process for the manufacture of selenium rectifiers : en fr
  • DE699540C - Phosphorus fire charge : de en
  • DE699681C - en, optical coordinate in arrangements for recording the frequency response of frequency-dependent circuits : de en
  • DE699182C - Adjustment device for the bending beam stroke of a folding machine : de en
  • DE699598C - Device for automatic switching on and off : de en
  • DE699650C - Heat dissipation by means of coolant in air chamber tires : de en
  • DE699866C - Opening in the fuselage for loading loads : de en
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  • US2223523A - Electric discharge apparatus : en
  • DE699801C - chafing of cast or stamped metal objects, etc. like : de en
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  • US2223838A - Power transmission : en
  • CA392973A - Coloured picture projection : en fr
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  • GB530219A - Method and apparatus for the drying of air : en
  • GB530148A - Improvements in the manufacture of containers of cardboard : en
  • DE699653C - ei the sound waves are sent to the ground by a pneumatic sound transmitter located on the aircraft and recorded after reflection by means of a sound receiver located on the aircraft : de en
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  • US2224015A - Thermostatic switch : en
  • US2223714A - Pump actuating mechanism for rail lubricators : en
  • US2223983A - Television apparatus : en
  • US2223443A - Mixing drum : en
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  • DE699729C - Stone for hollow stone ceilings : de en
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  • FR858995A - Improvements to winemaking devices : en fr
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  • FR858996A - Resonant line with concentric conductors and circuits therefor : en fr
  • FR858974A - Improvements to valves for internal combustion engines : en fr
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  • DE699822C - Skylight opener for double windows : de en
  • FR858848A - Automatic and adjustable feeding device of a solid fuel fireplace : en fr
  • DE676890C - Payable beryllium-copper alloys : de en
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  • FR858879A - Improvements to furnaces for heat treatment : en fr
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  • US2223851A - Short wave apparatus : en
  • US2223571A - Transportable tank : en
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  • US2223889A - Ring gauge for splined work : en
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  • DE699643C - : de en
  • DE699797C - Epicyclic gear : de en
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  • DE699607C - Process for the alkylation of benzene or its homologues : de en
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  • FR858724A - Process for the preparation of ethyl and methyl chlorides : en fr
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  • FR858975A - Device for rectifying valves and the like : en fr
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  • FR858847A - Method and device for increasing the efficiency of shaft furnaces, in particular blast furnaces : en fr
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  • GB530069A - Improvements in or relating to closures for containers : en
  • GB530150A - Improvements in tensioning devices for transmission chains and the like : en
  • US2224040A - Machine for positioning string handles on bags : en
  • DE698867C - Device for generating electrons of high energy through the electrical vortex field of a time-changing main magnetic field : de en
  • DE699606C - Series measuring device : de en
  • FR858754A - Advanced tiles or panels for ceilings, walls and the like : en fr
  • US2223608A - Boom type excavator : en
  • US2223900A - Refrigeration : en
  • US2223930A - Amine resins : en
  • GB530105A - Improvements in and relating to electric valve circuits : en
  • US2224043A - Method of manufacturing watch dials with numerals in relief and having chamfered edges : en
  • US2224046A - Numbering device : en
  • FR858815A - Torsion spring, particularly for motor vehicles : en fr
  • FR858867A - Transmitted and episcopic projection apparatus : en fr
  • DE699430C - Process for the production of oil-like condensation or polymerization products : de en
  • GB529957A - Improvements in and relating to dry rectifiers : en
  • GB530006A - Improvements in or relating to improving the resistance of metals to corrosion : en
  • GB529991A - Improvements in and relating to the casting of metal objects : en
  • FR858868A - Process for producing molding compositions : en fr
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  • GB530223A - Improvements relating to packings in fluid pressure jacks, struts, or the like : en
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  • US2223848A - Mechanical movement : en
  • US2223895A - Electric hammer : en
  • US2223711A - Variable speed mechanism : en
  • US2223877A - Pulp producing apparatus : en
  • US2224112A - Water-soluble dyestuffs : en
  • US2223651A - Slush-pump valve : en
  • US2223971A - Carburetor combined with a feeding pump : en
  • US2223448A - Process for manufacturing carbon tetrachloride : en
  • US2223961A - Stove : en
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  • GB530015A - Improvements in or relating to percussive rock drills : en
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  • GB529988A - Improvements in insecticidal compositions : en
  • US2223471A - Sewing machine : en
  • US2223671A - Gas operated automatic firearm : en
  • DE699641C - Pipe-hose connection : de en
  • US2223563A - Foundry flask : en
  • US2224006A - Heat-treating apparatus : en
  • US2224055A - Metal working machine : en
  • USD123844S - Design fob electric scissors : en
  • US2224116A - Relaxation apparatus : en
  • US2223956A - Crusher : en
  • US2223376A - Yarn : en
  • US2223500A - Oxidation of cyclic olefins : en
  • FR858703A - Improvements to bearings : en fr
  • AU482539A - Improvement in ultrahigh-frequency signal-translating stage : en
  • US2223913A - Oil pressure tester : en
  • DE699857C - Safety valve for pressure gauge : de en
  • DE699617C - Encapsulated high-voltage switchgear : de en
  • DE699737C - moving poles : de en
  • US2223967A - Double resonance oscillator : en
  • US2223652A - Oil separator : en
  • US2223784A - Stirrup device for physician's examining table or the like : en
  • DE699597C - Table ball game with a sling device : de en
  • US2223780A - Hot cup : en
  • US2223347A - Interlocking fastener slider : en
  • US2223880A - Buoyancy device : en
  • US2223562A - Antirolling device for ships : en
  • US2223847A - Cooling device for fan bearings : en
  • US2223713A - Method of installing wooden bottoms in tanks : en
  • US2223917A - Memoranda tablet or pad, diary, and the like : en
  • US2223379A - Heating of fluids : en
  • US2223453A - Esters of peb : en
  • US2223642A - Slip-index folder : en
  • AU518039A - Improvements in or relating to electric motors : en
  • CA392971A - Radio volume control circuit : en fr
  • CA392975A - Fruit-pitting machine : en fr
  • US2224016A - Ventilated crate : en
  • USRE21652E - Method and apparatus for : en
  • GB530074A - A tool for locking split cotter pins : en
  • FR858705A - Hair waving device : en fr
  • GB529965A - Improvements in road or surface lining machines : en
  • US2223760A - Lock mechanism : en
  • DE699773C - Process for the mercuration of benzene : de en
  • US2223437A - Attachment for putting iron : en
  • USD123777S - Design fob a girdle : en
  • US2223375A - Connecting means for tractor and implement units : en
  • US2223773A - Scale indicating means : en
  • US2223624A - Grain drill power lift : en
  • CA392845A - Calcium silicate bonding method : en fr
  • US2223675A - Petrol supply pumping mechanism for internal combustion engines : en
  • USD123775S - Design for a coat : en
  • DE699623C - Commutator supply for electrical machines : de en
  • FR858771A - Preparation of insecticides : en fr
  • FR858786A - Improvements in the manufacture of concrete objects : en fr
  • AU111991B2 - Improvements in or relating to engine driven watercraft : en
  • CA392885A - Blasting assembly : en fr
  • CA392927A - Radio volume control circuit : en fr
  • US2223371A - Flaw detecting apparatus : en
  • US2223686A - Derivatives of beta-(p-hydroxyphenyl)-isopropylamine : en
  • US2224097A - Thread tensioning device : en
  • US2223479A - Machine for digging and cleaning ditches : en
  • US2224060A - Game apparatus : en
  • US2223970A - Electric induction heating apparatus : en
  • CA392867A - Connecting pin : en fr
  • US2223774A - Ring traveler and ring : en
  • US2223609A - Railway car construction : en
  • AU111969B2 - Improvements in water closet basins : en
  • CA392925A - Rubber cement : en fr
  • CA392930A - Packaging machine : en fr
  • US2223377A - Pregnanol-3-one-20 compounds and process for preparing them : en
  • US2223501A - Yeast treating method : en
  • USD123816S - Design for a combination chair and cot : en
  • US2223761A - Air conditioned display counter : en
  • US2223395A - Automobile insulation : en
  • US2223539A - Pole cable terminal : en
  • AU528939A - Improvements in or relating to wheel construction : en
  • US2223924A - Preparation for use in carbon coating television tubes : en
  • USD123812S - Design for a doll : en
  • USRE21651E - Method of making coke : en
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  • US2223733A - Gang vibrator construction : en
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  • FR858846A - Interior coating in artificial resin of hollow bodies, more especially barrels : en fr
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  • FR858903A - Plate for heat exchangers : en fr
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  • GB529908A - Improvements in or relating to shuttles for looms : en
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  • US2223980A - Fire escape : en
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  • FR858935A - Cartridge magazine for firearms : en fr
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  • DE699721C - ls high frequency in the pull-through process : de en
  • DE699818C - Device for the suction and disarming of internal combustion engines : de en
  • FR858873A - Design and process and product for its execution : en fr
  • USD123794S - Stone dress : en
  • FR858739A - Overhead directional transmitters or receivers and systems using them : en fr
  • FR858785A - : fr
  • DE699557C - Pay display device with printing device : de en
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  • US2223661A - Motor vehicle accessory system : en
  • FR858962A - A method of separating components from a mixture having nearly equal boiling temperatures : en fr
  • US2223788A - Regulation of hydrogen ion concentration by means of calcium salts of fermentable organic acids : en
  • US2223492A - Air conditioner : en
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  • DE699808C - Vibrating plate dryer for lignite : de en
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  • FR858860A - Improvements to fixing devices : en fr
  • US2223933A - Treatment of oil wells : en
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  • DE699628C - Air quenching device, especially for light metal sheets : de en
  • AU394939A - Improvements in or relating to gang controlled tunable circuit arrangements : en
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  • US2223693A - Thioacetalsulphonic acids and a process of making same : en
  • US2223463A - Stop marker for conveyers : en
  • US2224031A - Nipple extractor or puller tool : en
  • DE699609C - Process for the pressure hydrogenation of coal, its desducts : de en
  • DE699854C - Throttle valve adjustment device for internal combustion engines : de en
  • US2223356A - Fluid operated controller : en
  • FR858805A - New hair brush : en fr
  • FR858745A - Process for obtaining rubber, spongy, or cellular or porous : en fr
  • FR858927A - Mandrel gauge for threads and its manufacturing process : en fr
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  • US2223627A - Combined mounting and closure for handbag purses or similar articles : en
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  • US2223974A - Control system : en
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  • CA392874A - Concrete flashing reglet : en fr
  • US2223937A - Sulphanilamide camphorate and process for making it : en
  • DE690178C - Inner rattle device for concrete or the like. : de en
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  • US2223670A - Pump : en
  • CA392895A - Well drilling method : en fr
  • US2223577A - Vehicle body : en
  • US2223907A - Apparatus for printing on the adhesive side of an adhesive covered material : en
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  • FR858710A - Mechanically operated fire extinguisher and distribution to the single point of fire : en fr
  • US2223384A - Extension shoe : en
  • US2223819A - Meter lighting : en
  • US2224098A - Wrapping machine : en
  • FR858981A - Combustion device supplied with liquid fuel : en fr
  • GB530171A - Temperature compensation means for pressure actuated indicators : en
  • FR858969A - Cleaning device for fluted cylinders of continuous ring spinning looms : en fr
  • DE699531C - : de en
  • CA392978A - Carbohydrate derivative : en fr
  • DE699734C - Multi-cylinder two-stroke internal combustion engine : de en
  • DE699816C - Device for the graphic representation of the states present or occurring in a monitored network by means of a simulation : de en
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  • FR858748A - Removable drawer with cover : en fr
  • AU112006B2 - Improvements in or relating to self-balancing capacity altimeters : en
  • GB530216A - Improvements in combinations of high-pressure metal-vapour electric discharge lamps with filaments in series with them : en
  • CA392959A - Tobacco pipe : en
  • US2223864A - Roller cutter : en
  • US2223394A - Billiard ball and method of manufacture : en
  • DE699786C - Circulation of the copper in the copper silk process : de en
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  • US2223789A - Process for sealing water bearing strata : en
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  • AU111974B2 - Improvements in or relating to electric motors : en
  • CA392977A - Sheet straightening machine : en fr
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  • US2223446A - Process of vulcanizing rubber and product obtained thereby : en
  • DE699680C - Arrangement for twilight-free direction finding : de en
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  • CA392856A - Bather's curtain support : en fr
  • DE699535C - Device for standing height or supply measurement of the fuel liquid in the vehicle tank : de en
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  • GB530163A - Improvements in corsets or the like : en
  • DE699756C - Car spinner with adjustable spindle bank : de en
  • FR858809A - Device for inserting prepaid devices : en fr
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  • AU520339A - Improvements in or relating to machines for moulding counters for boots or shoes : en
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  • US2224075A - Bobbin : en
  • FR858954A - Process to avoid chapping of welds : en fr
  • US2223781A - Tractor-semitrailer combination : en
  • FR858807A - Device for transferring liquids into a container, and automatically stopping this transfer as soon as the container is full : en fr
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  • GB530032A - Improvements in control systems for electron microscopes : en
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  • FR858916A - Improvements to thermostatic or manometric boxes and to traps with application : en fr
  • GB529958A - Improvements in cop winding machines : en
  • US2223374A - Apparatus and method of graveling wells : en
  • US2223796A - Fluid fuel burner control system : en
  • DE699735C - Socket pipe connection : de en
  • GB530034A - Improvements in or relating to rotary valves for fluid motors : en
  • FR858926A - Process for obtaining metals from amalgams : en fr
  • GB530097A - Lecher wire system : en
  • GB530124A - Improvements in or relating to electric switches of the tumbler type : en
  • FR858704A - : fr
  • DE699541C - Shovel machine : de en
  • FR858752A - Printing mechanism for cash registers, accounting machines or similar machines : en fr
  • FR858800A - Method of using dust from cement kilns : en fr
  • US2223473A - Superior lubricating composition : en
  • USD123771S - Design for a lamp : en
  • DE699712C - aet in which the characters are recorded broken down into pixels : de en
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  • US2223977A - Introducing active metals into envelopes : en
  • US2223349A - Process of preparing hexahydric alcohol borates : en
  • FR858895A - Improvements in the manufacture of gas-filled cables : en fr
  • US2223759A - Pump : en
  • US2223572A - Heat producer and exchanger : en
  • US2223901A - Oil circuit breaker : en
  • GB530222A - Improvements in or relating to devices for the determination of the angular acceleration of bodies : en
  • GB530234A - Improvements in or relating to pavement lights or area protectors and/or debris deflectors : en
  • US2223674A - Picture frame : en
  • US2223916A - Polymeric sulphonamide, a process for prepaing it, and a filament made therefrom : en
  • US2224093A - Bag emptying device for vacuum cleaners : en
  • US2223634A - Apparatus for purifying water : en
  • US2223548A - Polymerization with an alkyl phosphate polymerizing agent : en
  • USD123820S - Design for a combined demonstrating and display case unit for an elec- tric razor or the like : en
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  • CA392878A - Heat exchange unit : en fr
  • CA392941A - Indicating means : en fr
  • US2223373A - Compounds of the isoquinoline semes : en
  • CA392910A - Vehicle brake : en fr
  • US2223830A - Fluorescent screen : en
  • CA392944A - Railway car end : en fr
  • US2223385A - Multiple unit casting machine : en
  • US2223814A - Tube construction : en
  • CA392871A - Mechanical hoist : en fr
  • FR858757A - Electric transmission systems with secrecy : en fr
  • FR858968A - System for instant rubber attachment holding the caps : en fr
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  • US2223363A - Alkyl-hydroxy-diphenyl sulphonates and method of producing them : en
  • US2223941A - Lubricating oil and method of making the same : en
  • DE699625C - Fiber-optic brush : de en
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  • US2223352A - Rack rod loading mechanism for alimentary paste presses : en
  • US2223431A - Means for touching up radio photographs : en
  • GB529930A - Improvements in or relating to siliceous bodies : en
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  • US2223430A - Modulation system : en
  • US2223449A - Rivet setting mechanism : en
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  • US2224123A - Clarity inspector for lubricating oil : en
  • DE699605C - adhesive : de en
  • US2223465A - Comestible : en
  • US2223885A - Halogenated derivatives of : en
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  • US2223918A - Draft regulator for combustion apparatus : en
  • US2223357A - Reflector set-up and register table : en
  • US2223892A - Water softening : en
  • CA392904A - Colour photography : en fr
  • GB530096A - Electrical devices : en
  • FR858900A - Process for preparing azo dyes : en fr
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  • CA392858A - Wall paper remover : en fr
  • US2223682A - Stock shell : en
  • US2223718A - Tension control system : en
  • US2224025A - Apparatus for the distillation of liquids having relatively high boiling points : en
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  • US2223360A - Subirrigating seed and transplanting flat : en
  • CA392876A - Moulded automobile body frame : en fr
  • FR858783A - Nitrogenous condensation products of the benzanthronic series and their preparation process : en fr
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  • GB530007A - Improvements in and relating to plastic moulding compositions : en
  • CA392898A - Electron device circuit arrangement : en fr
  • US2223779A - Rotary drilling machine : en
  • US2223574A - Combination dumbbell and indian club : en
  • US2223457A - Shoe clip : en
  • US2223843A - Actuating mechanism for vehicle parking meters : en
  • US2224106A - Machine tool : en
  • CA392943A - Railway car hatch closure : en fr
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  • US2223683A - Measuring or surveying instrument : en
  • US2223839A - Valve-in-head packer : en
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  • US2224037A - Ester-amide interpolymers : en
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  • AU488039A - Full rail switch : en
  • USD123824S - Design fob a brooch or similar article : en
  • US2223614A - Power transmission mechanism : en
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  • DE699798C - Copy machine with time relay : de en
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  • US2223613A - Sash-cord attachment fixture : en
  • US2223742A - Closure cap and package : en
  • US2223871A - Taper pin : en
  • US2223739A - Apparatus for extracting juices : en
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  • US2223984A - Outside pipe cutter : en
  • FR858933A - Tension device with tensioning carriage and compensating attachment carriage, for package strapping machine : en fr
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  • US2223390A - Wire fabric and method of making the same : en
  • US2224049A - Process for the production of hydrocarbons : en
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  • DE699561C - Device for generating alternating current as a function of a control frequency : de en
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  • US2223986A - Electromagnetic valve : en
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  • GB529987A - Improvements in fish dressing machines : en
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  • US2223692A - Remote control device : en
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  • GB530115A - Improvements in or relating to frequency changing circuits : en
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  • US2224094A - Bag emptying device : en
  • GB530072A - Improvements in high tension electric gas-blast circuit breakers : en
  • GB529994A - Improvements in sheet metal containers : en
  • FR858731A - Process for making materials such as artificial leather, balloon fabrics or the like : en fr
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  • US2223741A - Springing arrangement : en
  • US2223590A - Fluid distributor : en
  • US2223696A - Means for curing tobacco and the like : en
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  • US2223606A - Photographic film washer : en
  • US2223964A - Explosive composition for detonating rivets : en
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  • DE699576C - Mobile unit connected to a tractor for recovering and baling hay : de en
  • GB529914A - A process for producing hydroaromatic cycloparaffins : en
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  • US2223561A - Beehive : en
  • DE698131C - Switching device that works periodically, using capacitors for time delay : de en
  • US2224090A - Garment bag : en
  • USD123813S - Design for a dress : en
  • USD123836S - Design fos. a bkess : en
  • US2224033A - Cigar lighter : en
  • FR858987A - Anti-aircraft gun carriage : en fr
  • GB530026A - Improvements in or relating to the production and use of solutions of high molecular weight sulphur-containing condensation products : en
  • GB530127A - Improvements in and relating to rotary intaglio printing machines : en
  • FR858993A - Improvements to bras and similar underwear : en fr
  • GB529942A - Improvements in or connected with conveyors of the belt type : en
  • US2223552A - Safety pin and the like : en
  • GB530159A - Improvements in or relating to steam generators, hot water boilers or heaters : en
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  • US2223546A - Brake : en
  • DE699696C - Skin cooler as part of the aircraft support structure : de en
  • DE699575C - Open watch strap with two rigid, springy inward swiveling brackets, connected to one another by a springy center piece : de en
  • FR858850A - Slider for zippers : en fr
  • FR858999A - Method and apparatus for purifying oils : en fr
  • US2223396A - Door closing control unit : en
  • FR858761A - Speed change gear for fast running machines, especially for bicycle dynamos : en fr
  • FR858856A - Machine for boring galleries or tunnels in rock : en fr
  • GB529968A - Improvements relating to contacts suitable for electric distribution pillars and other apparatus : en
  • DE699703C - Device for the electrostatic separation of batches : de en
  • FR858984A - Guiding device allowing the execution of circular cuts, in particular with autogenous cutting devices : en fr
  • US2223420A - End connector : en
  • US2223483A - Thermo hydrometer : en
  • US2223835A - Ultra high frequency device : en
  • FR858953A - Process for producing special heat-resistant steels : en fr
  • US2223666A - Control method and apparatus : en
  • FR858825A - Improvements to gas masks : en fr
  • GB530147A - Improvements in or relating to bathroom cabinets : en
  • US2224099A - Refrigerating apparatus : en
  • US2223599A - Blank feeding and flexing mechanism : en
  • US2223906A - Link cable drive : en
  • DE699674C - Pantograph : de en
  • GB530128A - Improvements relating to emergency air supply fittings for submarines : en
  • DE699624C - : de en
  • FR858946A - Mechanical sound recording method and suitable medium for receiving these recordings : en fr
  • GB530202A - Improvements relating to window shutters : en
  • DE699706C - Method and device for operating washing machines for dry cleaning of fibers and textile goods of all kinds by means of a volatile organic solvent : de en
  • GB530086A - Improvements in or relating to automatic telephone systems : en
  • US2224026A - Process of producing fatty acid mono-esters of monochlorhydrin : en
  • FR858719A - Belt clip : en fr
  • GB529960A - Improvements in or relating to centrifugal governors : en
  • DE699670C - Process for the representation of í¸-unsaturated 3-en-row : de en
  • DE699716C - Device for winding coils for electrical machines : de en
  • US2223793A - Lubricating composition : en
  • US2223804A - Method of sealing pervious strata in oil or gas wells : en
  • GB530022A - Improvements in and relating to elastic fluid turbines : en
  • GB530212A - Improvements in guards for presses and the like : en
  • DE699543C - Device for emptying and ventilating silos : de en
  • DE699842C - elung of a constant thread guide advance : de en
  • DE699596C - Traffic mirror : de en
  • GB529946A - Glare-proof blinds made of paper : en
  • US2223654A - Electric cigar lighter : en
  • US2223863A - Load handling mechanism : en
  • US2223603A - Equipment for heat treating : en
  • DE699582C - Process for the production of three-dimensional photographs : de en
  • US2223549A - Treatment of cashew nut shell liquid : en
  • US2223629A - Mold and sterilizer for dental impression compounds : en
  • USD123770S - Design for a lighter : en
  • DK58216C - Bearing body for Motor Vehicles. : da en
  • US2223776A - Asphalt preparation : en
  • USD123789S - Design fob a dress : en
  • FR858894A - Improvements to starters for internal combustion engines : en fr
  • GB529970A - Improvements relating to power transmitting mechanisms : en
  • FR858734A - Improvements to electro-medical devices : en fr
  • US2223874A - Electric fixture : en
  • US2223876A - Lock : en
  • US2223346A - Method of making thermoplastic trim : en
  • CA392947A - Box-making machine : en fr
  • DE699731C - Process for the production of fiber masses by swelling and defibrating animal skins : de en
  • FR858707A - Hydraulic or hydro-pneumatic device, for the step-by-step control of various components, in particular lower surface flaps : en fr
  • FR858902A - Fire extinguisher : en fr
  • GB530058A - Improvements in or relating to rotary well drilling systems : en
  • US2223859A - Meter connecting device : en
  • US2223684A - Apparatus for measuring and/or delivering fluids : en
  • AU112009B2 - Improvements in telephone substation apparatus : en
  • USD123835S - Design for a flower clasp : en
  • DE699663C - Process for drying tobacco products : de en
  • FR858765A - Improvements to devices for sweeping tube bundles from boilers : en fr
  • CA392902A - Vehicle suspension : en fr
  • FR858839A - Device intended to take blocks of rough, cut or polished stones or other materials in order to change them from place to place or face without risking damage to them : en fr
  • FR858857A - Hair-acting substances and process for preparing these compounds : en fr
  • FR858956A - Improvements to radiators for internal combustion engines : en fr
  • CA392869A - Electric incandescent lamp : en fr
  • USD123798S - Design for a dress : en