• DE601282C - Arrangement for spark extinction for a relay that switches on and off quickly : de en
  • DE601245C - Overhead line tensioning device : de en
  • US1969524A - Sheet metal shipping drum : en
  • DE601222C - Process for the hydrative splitting of organic substances such as coal, tar, mineral oil : de en
  • US1969506A - Orchard heater : en
  • DE601166C - Counter for billiards : de en
  • DE601171C - Welded pipe connection : de en
  • US1968816A - Meter for quantitatively determining the amount of foreign matter in air : en
  • US1968821A - Submarine signaling : en
  • US1969120A - Lined barrel construction : en
  • FR768534A - Insulator fastener with screw application either barbed and double thread or barbed and single edge : en fr
  • DE601185C - Cantilever for catenary lines : de en
  • GB414751A - Improvements in or relating to the treatment of lignocellulosic material and products obtained therefrom : en
  • CA343748A - Sulphur production : en fr
  • US1969224A - Tire valve : en
  • US1969515A - Window fixture : en
  • GB414679A - Apparatus for playing a game simulating golf : en
  • US1968817A - Method and system of circuits for overcoming static effects : en
  • FR768437A - Toy : en fr
  • GB414643A - Improvements in electric muffle furnaces : en
  • FR768563A - Vehicle ventilation system : en fr
  • FR768640A - Engine mounting system : en fr
  • FR768525A - Electric calculating machine : en fr
  • FR768460A - Product intended to replace wood, plywood and other similar materials in all their uses and its manufacturing process : en fr
  • GB414735A - A holder for loosely piled paper sheets : en
  • DE601121C - An electric motor built into the handle of power tools with a laminated stand iron body and pronounced stand poles : de en
  • FR768652A - Improvements in the manufacture of hernial bandages using plastics : en fr
  • US1968930A - Ignition system : en
  • US1969383A - Card punch : en
  • US1969523A - Sand mixer : en
  • DE601085C - Process for the production of objects from rubber milk : de en
  • US1969046A - Vibration dampener and isolator : en
  • US1969614A - Oven : en
  • US1969192A - Rotary engine and pump : en
  • DE601229C - -Process for fortifying dietetic foods with inulin : de en
  • DE601053C - Process for the continuous winding of coils intended for electrical equipment from disc windings, which are alternately wound from the inside to the outside and from the outside to the inside : de en
  • CA343780A - Paper coating process : en fr
  • DE601080C - Wrap pack for permanent hair waving : de en
  • FR768626A - : fr
  • FR768692A - Improvements made to bottom hawsers of trawls : en fr
  • US1969202A - Fuel vaporizing device : en
  • USD92971S - Design fos a tire display back : en
  • DE601153C - Device for encryption : de en
  • DE601151C - Suspension hooks for hanging files consisting of two parts that are articulated together : de en
  • DE601253C - Plasticizers : de en
  • FR768680A - Folding chair : en fr
  • GB414447A - Improvements in and relating to gas meters : en
  • DE601102C - Grinding machine used for post-treatment (lapping) of ground bodies : de en
  • GB414726A - Improvements in directional lighting fittings : en
  • DE601104C - Process for the preparation of 1íñ4íñ5íñ8-naphthalenetetracarboxylic acid : de en
  • DE561316C - Process for the production of a mass suitable for binding ammonia and preserving farm manure : de en
  • DE601238C - Radial steam or gas turbine : de en
  • GB414608A - Improvements in or relating to electric discharge tubes : en
  • US1969454A - Artificial silk : en
  • FR768439A - Method for fixing photographic films on rigid supports : en fr
  • US1968965A - Tire valve : en
  • US1969691A - Spring connection : en
  • USRE19265E - Heat transfer : en
  • GB414528A - Improvements in and relating to submarine cables : en
  • FR768500A - Process for carrying out exothermic reactions of solid substances with gases in the rotary tube furnace : en fr
  • FR768629A - Improvements made to safety buckles : en fr
  • FR768564A - High breaking capacity calibrated fuse cartridge : en fr
  • GB414536A - Improvements in or relating to the manufacture of catalysts : en
  • GB414641A - An improved hydraulic coupling or brake : en
  • US1968844A - Variable pitch propeller : en
  • US1969261A - Dust collecting bag : en
  • US1969449A - Process of producing by-product calcium sulphate : en
  • DK49096C - Device for immersion of sown plants, in particular cereal plants. : da en
  • DE600976C - Dipping machine : de en
  • GB414465A - Improvements in or relating to roll-film reflex photographic cameras : en
  • US1968848A - Printing machine : en
  • FR768673A - Wear-resistant machining material for manufacturing cylinder inner liners for various engines : en fr
  • DE601038C - Lighting fixtures : de en
  • GB414662A - Improvements in or relating to hydraulic transmission apparatus : en
  • US1968949A - Air, gas, or smoke extractor : en
  • US1968875A - Supply circuits for thermionic tubes : en
  • DE600218C - Device for the sterilization of organic liquids, in particular fruit juices : de en
  • GB414616A - Improvements in and relating to kerr cells : en
  • US1969302A - Treatment of hydrocarbon oils : en
  • US1968850A - Inking mechanism for printing machines : en
  • US1969114A - Clasp brake : en
  • CA343742A - Fermentation glycerol : en fr
  • DE1292552U - : de en
  • DE601173C - Heat sensor for controller : de en
  • FR768414A - Hinged-back kitchen stepladder chair : en fr
  • GB414501A - Improvements relating to the insulation of magneto-electric machines : en
  • DE600947C - Device for evaluating punched tape : de en
  • GB414699A - Improvements in the manufacture and production of artificial compositions : en
  • GB414732A - Improvements in the construction of domestic and similar fireplaces : en
  • FR768627A - Improvements to rotary machines particularly intended for pumping : en fr
  • FR768711A - Process for the manufacture of automobile brake drums and other parts having the shape of a body of revolution, machine for the application of this process and articles resulting therefrom : en fr
  • FR768731A - Pyrophoric lighter : en fr
  • CA343789A - Basic alum : en fr
  • FR768445A - Improvements to methods and apparatus for determining the viscosity of liquids or semi-fluids : en fr
  • US1968856A - Treatment of textile materials : en
  • US1968895A - Sulphur dye and method for its preparation : en
  • US1969259A - Device for reducing the capacity of molds and method of using the same : en
  • US1969534A - Lighting fixture : en
  • US1968872A - Internal wrench : en
  • US1968943A - Rip strip container : en
  • US1969555A - Electric cooking range : en
  • US1969696A - Measuring device for yarn winding machines and the like : en
  • AT138470B - Heating device for the embossing cylinder on machines for embossing films. : de en
  • AU2133353A - Improvements in or relating to apparatus suitable for use in operating on shoe uppers : en
  • AT138489B - Holder for socks and stockings. : de en
  • CA343859A - Abradant driving head : en fr
  • AT138460B - Device for turning upside down cigarettes and similar objects when being fed to a packing device. : de en
  • GB414448A - Improvements in or connected with fastening devices : en
  • FR768648A - Method and device for indicating the weight of persons occupying a determined area : en fr
  • GB414594A - Collapsing mudguards for a velocipede : en
  • GB414716A - A process for the separation of the crude resin obtained by extraction from kauri timber into light and dark coloured resinous products and apparatus therefor : en
  • DE601105C - Process for the production of sulfamic acid derivatives of aldehydes : de en
  • US1969543A - Electrical distribution system : en
  • US1969529A - Terminal : en
  • AT138520B - Lorgnon lock. : de en
  • CA343778A - Shifting device : en fr
  • FR768579A - Automatic clutch : en fr
  • US1969254A - Control for hydraulic grease dispensers : en
  • US1969460A - Hot water supply system : en
  • CA343821A - Measuring apparatus for aircrafts : en fr
  • DE601281C - Magnet system for speakers : de en
  • FR768433A - Process for obtaining tissues, spongy products or other materials impregnated with a special preparation for cleaning the epidermis : en fr
  • FR768450A - Daytime light signal for railways : en fr
  • FR768703A - Improvements to games involving a captive ball : en fr
  • FR768728A - Method and device for receiving short waves : en fr
  • CA343720A - Sponge rubber article : en fr
  • DE601141C - Device for erasing artificial glasses : de en
  • US1968936A - Exhaust ventilator : en
  • US1969167A - Apparatus for filling lubricant cavities in wheels and method therefor : en
  • DE601169C - Circulating blower for conveying charge mixture for an internal combustion engine with a device for collecting and removing heavier fuel particles : de en
  • FR768438A - Seat for faucet : en fr
  • AT138531B - Process for coating the brush body including the pitch of the bristles of paint brushes and painters' discs with a protective layer. : de en
  • US1969157A - Fluid fuel burner : en
  • US1969513A - Dust deflector : en
  • DE577773C - Method and device for tinning : de en
  • GB414704A - Improvements in or relating to knitted fabric and to methods of and machines for producing such fabric : en
  • FR768602A - Pump dispenser for liquids : en fr
  • IE13211L - Dust extraction apparatus : en
  • DE601026C - Procedure for operating secondary batteries : de en
  • US1968814A - Copy printing machine : en
  • US1969612A - Capillary-active agents : en
  • GB414517A - Improvements in and relating to coin released vending machines : en
  • GB414565A - Improvements in or relating to means for lubricating spinning and doubling spindles : en
  • US1969231A - Automatic milling machine : en
  • US1969314A - Restraining device : en
  • US1968884A - Conductor cord supporting and protecting means : en
  • FR768681A - Ski binding device : en fr
  • GB414627A - Improvements in or relating to radio receivers : en
  • US1968907A - Composition of matter : en
  • US1969217A - Vulcanizer : en
  • US1969558A - Electrooptical device : en
  • US1969667A - Treating of material in the form of strands : en
  • US1969073A - Mechanism for straightening sheet material : en
  • US1969125A - Building system : en
  • CA343751A - Electrical discharge device : en fr
  • US1969311A - Turbine locomotive : en
  • CA343830A - Vessel lining : en fr
  • US1969429A - Game of skill : en
  • FR768674A - Improvement in billiards : en fr
  • GB414659A - Improvements in or relating to machine guns : en
  • IE13101L - Tanks for transporting wine. : en
  • DE601209C - Housing device for cattle : de en
  • FR768481A - Process for the preparation of methyl chloride : en fr
  • DE601069C - Process for the continuous production of acetic acid from acetaldehyde : de en
  • GB414727A - Improvements in or relating to electric transformers : en
  • DE601168C - Device for printing counter information : de en
  • DE601136C - Reversible, automatic change gear, especially for motor vehicles : de en
  • US1968898A - Tie holder : en
  • US1969485A - Projection screen : en
  • US1969590A - Dispensing apparatus for tablets and the like : en
  • US1969002A - Garage floor construction : en
  • US1969092A - Windshield cleaner motor : en
  • US1969285A - Drive gearing for shovel cranes : en
  • USRE19267E - Method for separating the con : en
  • GB414618A - Cork screw with cork catcher : en
  • DE601160C - Cookers, in particular travel cookers : de en
  • US1969063A - Grinding machine : en
  • FR768544A - Brake for cycles, tri-carriers or other cycles : en fr
  • US1969507A - Compressor mechanism : en
  • FR768483A - Installation of gas turbines : en fr
  • GB414445A - Improvements in or relating to the treatment of carbonaceous materials with reducing gases : en
  • DE601066C - Press to separate razor blades perforated on the band from the intermediate, pre-notched piece : de en
  • FR768404A - New cylinder head for internal combustion engines : en fr
  • GB414483A - Manufacture of new azo-dyestuffs : en
  • AT138547B - Two-stroke internal combustion engine. : de en
  • CA343753A - Pulping process and apparatus : en fr
  • DE601210C - Lathe for high cutting performance thanks to high cutting speeds : de en
  • FR43724E - Improvements in vehicle platforms, and combined tie-downs, in particular for the transport of aircraft parts : en fr
  • GB414429A - Improvements in and relating to trump indicators : en
  • AT138512B - Atomizers for dental purposes. : de en
  • DE601163C - Process for the production of coatings of various wall thicknesses or local limits, such as lettering made of rubber, by applying aqueous rubber dispersions to substrates coated with coagulant : de en
  • DE601189C - Self-supporting car body with hollow longitudinal and transverse stiffeners, especially for motor vehicles : de en
  • US1969083A - Apparatus for molding articles from plastic material : en
  • CA343787A - Plastic clay product : en fr
  • DE600991C - Process for the production of radioactive irradiation preparations : de en
  • AT138494B - Boots, in particular for sports purposes. : de en
  • CA343856A - Textile material processing : en fr
  • US1969313A - Combination camp chair and rocker : en
  • US1969387A - Cleansing and polishing preparation : en
  • US1969603A - Erasing shield : en
  • DE600868C - Process for the production of anhydrous or highly concentrated formic acid from alkali formates : de en
  • DE601003C - Anvil for socket setting machines : de en
  • AT138483B - Electrical display device for clutches, gear drives, etc. like : de en
  • CA343706A - Fence machine : en fr
  • GB414596A - Improvements in or relating to nozzles, more particularly for fireextinguishing apparatus : en
  • CA343754A - Water softening process : en fr
  • DE601008C - Exchangeable cutting tooth with expanding slots, especially for excavators and scrapers : de en
  • CA343716A - Metal separating process : en fr
  • AU1620634A - Process of making soap and glycerine : en
  • FR768537A - Removable waterproof swimming pool : en fr
  • GB414482A - Improvements in or relating to gas-holders : en
  • GB414490A - Improvements relating to fastenings for windows, doors, and the like : en
  • US1969640A - Flushing valve : en
  • US1969366A - Fluid flow controller : en
  • CA343713A - Worn rail building up method : en fr
  • CA343795A - Separable fastener : en fr
  • DE601057C - Fuel supply for injection pumps : de en
  • CA343809A - Audio frequency circuit : en fr
  • US1968881A - Label affixing machine : en
  • US1969012A - Lock : en
  • US1969028A - Machine for forming clay products : en
  • US1969283A - Process of coating road aggregates : en
  • CA343718A - Thallium recovery : en fr
  • US1969347A - Conversion of starch : en
  • US1969103A - Lawn mower blade : en
  • US1968853A - Multiphase motor : en
  • DE601258C - Attachment for photographic filters : de en
  • US1968937A - Method for inserting identification tag fasteners : en
  • US1969250A - Fuel regulator : en
  • US1969238A - Method and means of submerged cutting : en
  • US1969148A - Veneer brick and means for securing same to a surface : en
  • AT138474B - Method and device for drying shoes during their manufacture. : de en
  • CA343812A - Cascade super-regenerative circuit : en fr
  • DE601032C - Starting device for carburettor : de en
  • GB414585A - Improvements in a lamp : en
  • GB414425A - Process for the manufacture of new plastic materials : en
  • US1968809A - Artificial turf and method of making the same : en
  • US1969530A - Apparatus for winding coils : en
  • US1969290A - Floor surfacing machine : en
  • US1969338A - Stoker : en
  • US1968978A - Gas fuel burner : en
  • US1969489A - Linoleum covered top for furniture : en
  • US1969592A - Paper manufacture : en
  • US1969226A - Centrifugal separator : en
  • CA343784A - Rubber goods : en fr
  • DE601219C - Synchronous small motor with automatic starting device : de en
  • US1969628A - Ladder : en
  • US1969091A - Measuring and dispensing device : en
  • US1969023A - Agricultural implement : en
  • US1969309A - Combined light and reed hook : en
  • FR768586A - Enhancements to supercharged internal combustion engines : en fr
  • US1969249A - Gasoline : en
  • DE601019C - Process for the production of asphalt compounds : de en
  • AT138507B - Calculating or bookkeeping machine. : de en
  • DE601084C - Process for coloring high molecular weight organic plastic masses : de en
  • DE601138C - Collapsible vehicle top, especially for cars : de en
  • US1969480A - Web cutting mechanism : en
  • US1969136A - Control system for stoker motors : en
  • CA343814A - Electrical conductor : en fr
  • US1969017A - Control gear for internal combustion engines : en
  • US1969122A - Conveyer system : en
  • US1969360A - Gasoline-dispensing apparatus : en
  • USD92989S - Design fob a ribbon ob a similar : en
  • DE601006C - Scraper conveyor with separable upper and lower troughs : de en
  • FR768597A - Steering device for guiding frame of tracks of tracked vehicles tilting about a horizontal transverse axis : en fr
  • FR768713A - Process for manufacturing branch brushes and their solid attachment to the handle or rolls of mechanical sweepers for the road service and machine for implementing this process : en fr
  • GB414663A - Improvements in or relating to the optical inspection of screw threads : en
  • US1969432A - Water meter yoke : en
  • CA343852A - Building : en fr
  • US1969686A - Preparation of hexachlorophenol : en
  • US1969495A - Power system : en
  • FR768519A - Method for determining shades of photographic developing images : en fr
  • DE601157C - Process for the production of rayon rolls with vertically rising edges : de en
  • FR768503A - Improvements to illuminated signs : en fr
  • GB414617A - Improvements in clutches : en
  • US1969009A - Method of making laminary containers : en
  • US1969358A - Choke regulator : en
  • DE601035C - Piston pumps, especially fuel pumps for multi-cylinder internal combustion engines : de en
  • DE601078C - Depilatories : de en
  • US1969484A - Reversible film for motion picture apparatus : en
  • DE601002C - Sliding window with several laterally displaceable leaves lying in the same plane in the closed position : de en
  • USD92939S - Design for a combined spool holder : en
  • FR768661A - Regulating device for back pressure steam engines by combined speed and pressure regulators and load balancing motor : en fr
  • US1968951A - Power plant control : en
  • GB414421A - Improved means for automatically opening gates and the like : en
  • USD92957S - Design for a glove : en
  • GB414432A - Improvements in roof-supporting corrugated bars or straps and sheets for use particularly in underground workings : en
  • GB414582A - Improvements relating to electric dry cells : en
  • FR768630A - High Current Fusible Plug Type Circuit Breaker Enhancements : en fr
  • FR768642A - Device for gradual gear change with forward and reverse without clutch : en fr
  • FR768444A - Closures for cases, boxes and the like : en fr
  • GB414430A - Improvements in or relating to clothes-washing machines : en
  • DE600979C - Process for the preparation of fibrous cellulose acetates : de en
  • DE600982C - Process for the preparation of fibrous cellulose esters : de en
  • DE601058C - Rollable gymnastics and sports equipment for row-like body movements : de en
  • FR43722E - New glasses based on aluminum orthophosphate : en fr
  • FR768442A - Device for supporting and lubricating the rake control of the harvester-binders : en fr
  • FR768665A - Improvements to antiptosic belts and similar belts : en fr
  • GB414580A - Anodic coating of zinc base metals : en
  • US1969490A - Pneumatic suspension device : en
  • USD92966S - Design fob a shoe : en
  • CA343708A - Cellulose processing : en fr
  • AT138516B - Face mask of rubber for cosmetic purposes and processes for their manufacture. : de en
  • CA343861A - Binder reel : en fr
  • FR768526A - Manufacturing process of azo dyes, resulting products and their application : en fr
  • GB414613A - Improvements in or relating to crank driving arrangements for jacquard controlled flat knitting machines : en
  • DE601091C - Process for the production of single or multicolored prints by means of photographically produced gelatin wash-out reliefs : de en
  • DE601009C - Periodically acting absorption refrigeration machine : de en
  • US1969463A - Azo dyestuff : en
  • US1969213A - Copper salt compositions, particularly as a preservative liquid for treating timber fabric and other materials : en
  • DE601094C - Hinge or fish strap : de en
  • FR768621A - Dispensing device : en fr
  • GB414725A - Improvements in or relating to variable speed gear : en
  • US1968901A - Lubrication of fluid pressure tools : en
  • AT138529B - Steam or gas-filled discharge tube for continuously controlled strong currents. : de en
  • US1969152A - Seal-joint : en
  • US1969244A - Building structure : en
  • US1969316A - Treatment of hydrocarbon oils : en
  • US1969104A - Freezing and dispensing device : en
  • AT138464B - Device for segregating z. B. disc-shaped metal elements of different, non-magnetic compositions, preferably of coins. : de en
  • DE601036C - Process for the production of metal deposits : de en
  • GB414614A - Improvements in recording microphotometers : en
  • US1969162A - Kitchen utensil : en
  • US1969292A - Hardened resin : en
  • US1968879A - Process for dyeing and printing : en
  • US1969265A - Control device for automatic stokers : en
  • US1969318A - Ventilated sanderplane : en
  • US1969635A - Matrix composing and line casting machine : en
  • USD92976S - Design for a combined clock case : en
  • CA343736A - Electrical apparatus and dielectric material : en fr
  • US1969133A - Brake drum : en
  • AU1347833A - Improved collapsible chair : en
  • FR768613A - Process for obtaining textile-rubber articles and resulting products : en fr
  • US1969170A - Dispensing machine : en
  • AT138502B - Device for quick testing of translucent specimens. : de en
  • US1968979A - Television transmitter : en
  • US1969334A - Printing device for use in connection : en
  • US1969377A - Sorting machine : en
  • FR768653A - Improvements to measuring devices operating by thermal effect : en fr
  • DK49087C - Process for the preparation of an aqueous fat solvent emulsion. : da en
  • DE600777C - Antenna shaft with contact closure : de en
  • DE601228C - Synchronous or synchronized asynchronous machine with excitation via a frequency converter : de en
  • FR768734A - Shuttle for ribbon looms : en fr
  • GB414584A - Toy fire arm with fire appearing at the muzzle : en
  • FR768495A - Improvements to billiards : en fr
  • DE601101C - Roller with rocker drive : de en
  • DE601284C - Electrical resistance with a resistance layer on the outside of an insulating carrier : de en
  • FR768566A - Gear change without break in continuity : en fr
  • FR768672A - Improvements to compound bodies and to shaped parts obtained through them, more especially for electrical purposes : en fr
  • US1969330A - Tire cover : en
  • US1969688A - Fastener and method of manufacture : en
  • US1969407A - Electrically lighted toy : en
  • US1968877A - Bottle carrier : en
  • CA343755A - Connection : en fr
  • CA343839A - Clutch : en fr
  • US1969681A - Musical record and method of producing same : en
  • CA343782A - Ventilating device : en fr
  • CA343860A - Rotary disc edging machine : en fr
  • US1969284A - Means for packing fruit and the like : en
  • US1968913A - Method of removing primary aromatic amines from aqueous solutions : en
  • US1969161A - Automobile brake : en
  • DE601110C - Triggering and tilting device for box tippers : de en
  • US1968975A - Snow scooter : en
  • GB414700A - Improvements in or relating to machine guns : en
  • GB414738A - Method of preparing secondary aromatic amines : en
  • US1969359A - Remote indication apparatus : en
  • US1969471A - Motion picture film moving mechanism : en
  • CA343693A - Surgical belt : en fr
  • CA343796A - Separable fastener : en fr
  • US1969514A - Punching die for rail anchors : en
  • US1969220A - Article holder for service trays and stands : en
  • US1969153A - Percussion tool : en
  • AU1586234A - Improvements in and relating to electrical fuses : en
  • FR768568A - Skid for tracked vehicles : en fr
  • CA343820A - Anti-knock gasoline : en fr
  • US1969025A - Coin control mechanism : en
  • AT138545B - Internal combustion engine. : de en
  • DE601194C - Spin dryer : de en
  • FR768705A - Improvements to automatic totalizing mechanisms of tabulator machines and the like : en fr
  • US1969663A - Slug casting machine : en
  • US1969533A - Well cement mixer : en
  • US1969672A - Separable fastener slider : en
  • US1968977A - Television method and apparatus : en
  • US1969077A - Aircraft sustaining unit : en
  • US1969177A - Laundry machine : en
  • CA343772A - Machinery packing : en fr
  • FR768593A - Calecon with or without bra for bathing and sunbathing : en fr
  • GB414499A - Improvements in and relating to methods of manufacturing sound records : en
  • FR768667A - Improvements to compensating balancing devices that can be used in particular for radiological supports : en fr
  • US1969666A - Apparatus for drying insulated wire : en
  • US1968868A - Radiotower : en
  • US1969108A - Method of making wire wheels : en
  • CA343675A - Aerating machine : en fr
  • AT138549B - System for remote control and remote control. : de en
  • GB414628A - Lathes and similar machine-tools : en
  • US1969351A - Hose protector : en
  • CA343673A - Dynamo regulator : en fr
  • DE601202C - Hydraulic multiple control, preferably for electrically powered vehicles : de en
  • US1968996A - Induction motor : en
  • US1968961A - Fuel injection device for internal combustion engines : en
  • US1969462A - Pneumatic clutch actuator : en
  • US1969654A - Drill socket construction : en
  • US1968955A - Air propelling device : en
  • US1969565A - Cooking stove : en
  • AT138456B - Wire mesh device for packaging lumpy goods, in particular granulated fuels. : de en
  • AT138535B - Process for the production of bags, purses and the like like : de en
  • AU1270533A - Improved wellpoint and strainer : en
  • USD92956S - Design for an auto trailer coach : en
  • US1968865A - Apparatus for cutting metal : en
  • US1969301A - Fuse holder : en
  • US1969476A - Applicator for surfacing materials : en
  • US1969004A - Slicing, dividing, and wrapping apparatus : en
  • US1969557A - Ball-bearing caster : en
  • AT138488B - Acoustic signaling device activated by the temperature. : de en
  • AT138546B - Finned tube for flue gas preheater. : de en
  • CA343698A - Duplicating machine : en fr
  • US1969079A - Control actuator for windshield cleaners : en
  • CA343811A - Modulator : en fr
  • US1969357A - Amino derivative of carboxy-alkoxy diphenyls : en
  • US1969444A - Dibenzothiocarbocyanine dye and process of preparing it : en
  • FR768535A - Zipper closure : en fr
  • FR768601A - Axle mounting for independently guided wheels : en fr
  • DE601225C - Process for the recovery of acidic toxins and valuable substances, e.g. B. phenols, from ammonia water : de en
  • FR768706A - Frame with springs, cushions, seats or box springs : en fr
  • US1969142A - Tube coupling : en
  • GB414619A - Improvements applicable to suspension bridges : en
  • US1969361A - Toaster : en
  • US1969568A - Roll-holder for rivet spinning machines : en
  • US1969482A - Cellulose organic ester composition containing an ester of maleic acid : en
  • US1969541A - Electrical protective system : en
  • CA343819A - Sintering apparatus : en fr
  • GB414552A - Cooling means for metal vapour rectifiers : en
  • US1968956A - Colored photographic image and method of producing same : en
  • CA343816A - Centrifugal clutch : en fr
  • FR43733E - Emulsifying powder making it possible to obtain aqueous emulsions of mineral oils with a view in particular to the treatment of plants : en fr
  • GB414476A - Improvements in or relating to golf clubs : en
  • US1968834A - Vacuum vapor heating system : en
  • US1969421A - Production of paper pulp : en
  • CA343745A - Degreasing apparatus : en fr
  • US1969410A - Precast burial vault : en
  • CA343804A - Buckle : en fr
  • CA343803A - Machine for forming hollow glass articles : en fr
  • CA343846A - Electric switching station : en fr
  • US1969230A - Method of increasing the production of deep wells : en
  • CA343702A - Rag ripper : en fr
  • CA343837A - Polymerized hydrocarbon production : en fr
  • US1968880A - Article display device : en
  • CA343667A - Window : en fr
  • AT138509B - Process for the production of permanently stable, concentrated calcium solutions that can also be injected intramuscularly without tissue irritation. : de en
  • AT138528B - Group slider. : de en
  • US1969110A - Measuring device : en
  • USD92973S - Design for a shoe : en
  • US1969184A - Broiler, toaster, and the like : en
  • US1969574A - Thermostat bellows assembly : en
  • FR768571A - elements for metal panels or others : en fr
  • US1968983A - Grab : en
  • US1969100A - Filing cutting, scraping and manicuring implement : en
  • DE601159C - Weekend equipment : de en
  • FR768540A - Devices for the thermal insulation of refrigeration cabinets and other similar applications : en fr
  • FR43738E - Process for preparing food creams : en fr
  • FR768582A - Lamp for acoustic inscriptions : en fr
  • GB414593A - Improvements in cooling fans or blowers : en
  • GB415048A - Improvements in and relating to appliances for preparing anaesthetics : en
  • AT138487B - Template for making velvet or plush-like embroidery. : de en
  • AT138480B - Process for the correct reading of lenticular films on photographic materials without a lenticular screen. : de en
  • CA343791A - Basic aluminium sulphate : en fr
  • US1969298A - Obturating and distributing appara : en
  • US1969660A - Machine for applying reenforcing and sealing tapes : en
  • US1968837A - Propeller blabe pitch gauge : en
  • US1969095A - Pulp yarn or twine : en
  • US1969333A - Bathing suit : en
  • US1969544A - Plug receptacle : en
  • US1969623A - Centrifugal casting machine : en
  • US1968940A - Electric generative boiler : en
  • US1969034A - Switch : en
  • US1969397A - Production of compound glass : en
  • CA343714A - Phosphoric acid containing material decomposition : en fr
  • CA343734A - Lamp filament coating apparatus : en fr
  • DK49101C - Apparatus for Receiving High Frequency Waves. : da en
  • CA343665A - Electric welding apparatus : en fr
  • FR43707E - Wrist strap holder : en fr
  • CA343797A - Separable fastener : en fr
  • AT138463B - Talking machine needle. : de en
  • US1968919A - Tank gauge : en
  • US1969602A - Tire chain tightening device : en
  • DE601267C - Protection device against flooding of electrical machines working with liquids : de en
  • AT138452B - Printing unit for juicers. : de en
  • US1968843A - Treatment of sludge : en
  • US1969262A - Calculating machine : en
  • US1969414A - Turnstile : en
  • DE601182C - Protective body for explosive cartridges : de en
  • DK49103C - Lighting system. : da en
  • CA343699A - Steam generator : en fr
  • CA343825A - Carton assembling mechanism : en fr
  • FR768663A - New shoe using stamped soles : en fr
  • US1969399A - Electron multiplier : en
  • CA343788A - Heat insulating wall : en fr
  • FR768443A - Blade holder for harvesters and mowers : en fr
  • FR768603A - Improvements made to shrink-wrapped components, in particular brake drums comprising an internal shroud : en fr
  • GB414540A - System of mounting doors of motor-cars or other vehicles : en
  • GB414685A - The manufacture of a therapeutically active preparation : en
  • US1969440A - Telegraph recording and projecting system : en
  • CA343741A - Ammonium nitrate : en fr
  • GB414488A - Improvements in or relating to electric discharge devices and cathode arrangements for use therein : en
  • FR768417A - Improvements to agglomerated concrete blocks or similar substances used in constructions : en fr
  • DE601197C - Process for the esterification of cellulose by means of fatty acid anhydrides : de en
  • DE601279C - Filter candle : de en
  • FR768606A - Coating apparatus intended primarily for the spreading application of aqueous dispersions of rubber or the like : en fr
  • FR43720E - Distributor of gravelly or granular heavy materials for self-unloading trays, self-pushers, tippers and fixed hoppers : en fr
  • FR768510A - Device for sharpening the blades of so-called safety mechanical razors : en fr
  • US1969618A - Process for reclaiming and reconditioning saws : en
  • GB414558A - Improved process and apparatus for the continuous extraction or treatment of liquids : en
  • US1969474A - Motion picture apparatus : en
  • US1968928A - Electrical fuse of the multiple element type : en
  • US1969016A - Corn picker-sheller : en
  • GB414646A - Improvements relating to clinometers : en
  • US1968963A - Nap-raising, sleeking, and the like fabric dressing machine : en
  • GB414420A - Improvements in miners' and like safety lamps : en
  • FR768466A - Device for starting turbines with rotors rotating in opposite directions, with uneven distribution of power between the rotors : en fr
  • FR768555A - Device for adjusting the number of revolutions of shafts driven by a combustion or explosion engine : en fr
  • FR768678A - Three-cylinder squeezer, especially for tissue processing : en fr
  • AU1362033A - Improved portable powder sprayer or duster : en
  • CA343703A - Electric rectifier : en fr
  • FR768490A - Internal combustion engine cylinder block and crankcase : en fr
  • CA343806A - Glass drawing tank : en fr
  • FR43705E - Improvements to processes and apparatus for the manufacture of safety glass : en fr
  • FR768738A - Whistle : en fr
  • CA343781A - Ventilating apparatus : en fr
  • US1969218A - Production of butyl alcohol by fermentation : en
  • US1968974A - Vacuum cleaner floor tool : en
  • US1969487A - Insole : en
  • US1969621A - Heat insulation : en
  • US1969305A - Combination telephone stand and telephone directory secretary and bookrack : en
  • US1969517A - Apparatus for removing coatings from wires or strips : en
  • FR768512A - Ice cream maker also serving as champagne bucket : en fr
  • AT138522B - Denture plate. : de en
  • DE595008C - Method for the production of knotted carpets on carpet knotting machines : de en
  • GB414578A - Improvements in concrete mixers : en
  • FR768530A - Metal sleeper for railways and its manufacturing process : en fr
  • DK49092C - Device by which an iron can be used as a heating plate. : da en
  • FR768587A - Container for boiling milk, provided on its edge with a spout which rises gently : en fr
  • DE601206C - Yarn guide drive device for flat weft knitting machines : de en
  • FR768536A - Removable drip tray with adjustable support for household taps and others : en fr
  • FR768608A - Coupling system for railcars and road convoy trailers : en fr
  • FR768416A - Improvements in cooling dairy products or other liquids after heating : en fr
  • US1969020A - Steam engine valve gear : en
  • FR768600A - Combined collar and tie : en fr
  • US1968934A - Furnace : en
  • US1968993A - Slope-retainer : en
  • FR768650A - Process of plastic coating of all wooden objects : en fr
  • GB414454A - Improvements in or relating to traverse motions of yarn winding machines : en
  • GB414496A - Improvements in and relating to motor-driven turning lathes and the like : en
  • FR768708A - Rectifier with arc cathode or incandescent cathode, or metal steam rectifier, comprising, for the regulation of the continuous power output, grids assigned to the anodes and controlled electrically : en fr
  • FR768619A - New coating product for welding rods and electrodes : en fr
  • GB414670A - Improvements in or relating to electric blasting fuses : en
  • FR768725A - Improvements to ropes or cables : en fr
  • GB414668A - Improvements in knickers and garments of a like nature : en
  • FR768402A - Control of an electric discharge device by means of control bodies polarized by varying component voltages : en fr
  • FR768628A - Spool for artificial silk spinning : en fr
  • FR768702A - Device for the compensation of temperature errors in measuring instruments of the ferraris type : en fr
  • US1969579A - Flash remover : en
  • US1969577A - Mold for glassware : en
  • FR768685A - Improvements relating to clamshells : en fr
  • US1969131A - Truck bolster : en
  • CA343835A - Shoe manufacture : en fr
  • FR768635A - Auxiliary control device of a power transmitter vehicle axle : en fr
  • GB414464A - Improvements in and relating to adjustable chairs and settees : en
  • US1968890A - Fire screen : en
  • AT138469B - Cash register with immediate total printing. : de en
  • FR768431A - Advanced bidet-water-closet : en fr
  • AU1375633A - Improvements in or relating to suction cleaners : en
  • CA343800A - Underfeed stoker : en fr
  • CA343733A - Motion picture projector : en fr
  • US1969711A - Rotary engine : en
  • US1969435A - Electromagnetically controlled brake : en
  • CA343679A - Ice cream scoop : en fr
  • CA343793A - Armour plate : en fr
  • DE601120C - Device for marking the position of a threaded nut for making electrical connections : de en
  • US1969665A - Tube manufacture : en
  • US1969257A - Fuse, cut-out, and adapter : en
  • FR768595A - Process of loading, unloading and transhipment of goods : en fr
  • GB414712A - Improvements in the manufacture and production of substances suitable as wetting, washing, dispersing and like agents : en
  • US1969364A - Pivot block : en
  • USD92951S - Design for a spoon or other article : en
  • US1969648A - Freewheeling clutch throw-out device : en
  • FR43721E - Process for the production of cellulose esters in the fibrous state : en fr
  • FR768657A - Method and machine for reproducing hooves and other wooden articles : en fr
  • US1969317A - Forging machine : en
  • US1969267A - Method of preparing subgrades for roads and highways : en
  • US1968835A - Combination vapor heating system : en
  • US1968849A - Printing machine : en
  • US1969134A - Fire preventive attachment for motion picture projection machines : en
  • US1969712A - Manufacture of dried wood veneer : en
  • US1969370A - Steam conditioner for locomotives and the like : en
  • US1969498A - Control system : en
  • US1969638A - Carburetor : en
  • AT138508B - Device for receiving or transmitting waves, rays and the like. like : de en
  • US1969066A - Holder : en
  • DE601109C - Rail vehicle for high speeds : de en
  • DK49080C - Hydraulic Joints, especially for diving suits and the like. : da en
  • GB414466A - Improvements in or relating to apparatus for cleaning bags, sacks and the like : en
  • GB414752A - Improvements in or relating to rotary machines of the sliding vane type : en
  • US1968921A - Header or upsetting machine : en
  • US1968945A - Cam element : en
  • US1969286A - Traffic governor : en
  • US1969408A - Car lifting device : en
  • US1969585A - Beer crate : en
  • US1968887A - Method of making rubber articles : en
  • US1969236A - Manufacture of bleaching powder : en
  • US1968888A - Conductor clamp : en
  • US1969566A - Glow lamp : en
  • USD92968S - Design for a reflector : en
  • US1968882A - Treatment of cellulose esters : en
  • US1969168A - Tube cutter : en
  • DE600857C - Device for the protection of electrical resistances against impermissible heating : de en
  • GB414602A - Improvements in cinematographic film printing devices : en
  • DE601000C - Device for preventing the fogging of windows, in particular windshields for motor vehicles : de en
  • DE601216C - Shot put skill game : de en
  • DE601012C - Protective device for electrical machines : de en
  • FR43728E - Spinning spindle : en fr
  • FR768556A - Fuel injection combustion engine with pre-ignition chamber and air tank : en fr
  • FR768717A - Process for improving storage batteries : en fr
  • DE601161C - Door with a blind wood layer and cover plates assembled from equal pieces : de en
  • DE601240C - Device for moving the type lever or type bars of typewriters : de en
  • DK49081C - Bullet. : da en
  • US1969085A - Automatic lead pencil : en
  • US1969228A - Air inlet device : en
  • US1969404A - High pressure greasing apparatus for motor vehicles and the like : en
  • US1969598A - Automatic gate for trolley buckets and the like : en
  • GB414677A - Improvements in or relating to building construction : en
  • GB414502A - Improvements in and relating to boring or reaming apparatus for use on internal combustion engine cylinders : en
  • DE1308398U - : de en
  • DE601233C - Fire protection device on cinema playback machines : de en
  • DE601273C - Central lubrication device, especially for motor vehicles : de en
  • GB414753A - Improvements in and relating to vacuum electric discharge tubes : en
  • US1968905A - Production of aryl mercapto compounds : en
  • US1969451A - Sound reproduction : en
  • GB414772A - Improvements in the manufacture and production of substances suitable as wetting, washing, dispersing and like agents : en
  • DK49095C - Coin compartment for picking up Return Coins in a Vending Machine or similar. : da en
  • FR768689A - Smoke-eating grill : en fr
  • GB414681A - Manufacture of compositions and solutions for use in dyeing and textile printing : en
  • FR768609A - Removable crown for motor vehicle wheels : en fr
  • GB414500A - Improvements in and relating to hydraulic transmission devices : en
  • FR768422A - Shuttle change mechanism for looms : en fr
  • FR768746A - Continuous diffusion method and device : en fr
  • FR768413A - Application of electric heating to water heating radiators by separate circulation boiler : en fr
  • FR768545A - Device for measuring blood pressure : en fr
  • US1969234A - Well head assembly : en
  • US1969497A - Manufacture of rubber bonded abrasive articles : en
  • US1969570A - Rotary cylinder structure : en
  • DE601060C - Bending machine for metal sheets : de en
  • DE601048C - Method and device for the continuous production of dehydrated calcium chloride : de en
  • USD92963S - Design for a sound amplifying : en
  • DE601190C - Arrangement of the mirrors of motor vehicles for observing the front wheel track : de en
  • GB414591A - An improved bagatelle game board : en
  • CA343771A - Fire extinguisher : en fr
  • US1969321A - Treatment of mineral oils by heat : en
  • US1969282A - Heat accumulator : en
  • US1969626A - Smoke density meter device : en
  • FR43739E - Method and machine for the simultaneous automatic mounting of staples on the two tapes of a rack fastener : en fr
  • CA343669A - Paper web slitting apparatus : en fr
  • CA343815A - Clutch : en fr
  • GB414707A - Improvements in or relating to inductances : en
  • CA343844A - Nut processing : en fr
  • US1968846A - Process of making structural adsorptive carbon and product : en
  • US1968927A - Talking machine : en
  • US1969030A - Container : en
  • US1968941A - Apparatus for separating sheets of paper or other material while traveling in the same direction : en
  • US1969447A - Method of preparing it : en
  • US1968947A - Electric starting motor for internal combustion engines : en
  • CA343749A - Ore flotation : en fr
  • US1969215A - Rectal syringe : en
  • US1969390A - Grid trimming press : en
  • AT138519B - Regulation of the flow of flowing media in several parallel pipelines, each containing a throttle point and a controller, in particular for water treatment systems with pressure filters. : de en
  • US1968904A - Apparatus for lining can ends : en
  • US1969425A - Trimmer saw : en
  • AT138511B - Device for pulling root tips. : de en
  • DE601201C - Device for automatically holding open release valves : de en
  • FR768458A - Improvements to variable-pitch propellers : en fr
  • AU1365633A - Means for supporting attachments for vacuum cleaners : en
  • CA343692A - Closet seat : en fr
  • CA343858A - Thermal insulation : en fr
  • US1968818A - Tape control for projectors : en
  • US1969139A - Golf practice device : en
  • US1969164A - Crinkled coated surface : en
  • US1969315A - Radiator : en
  • US1969527A - Knee protector : en
  • IE12835L - Tobacco pipes. : en
  • IE13823L - Automatic firearms : en
  • GB414514A - Improvements in or relating to lure carriers for use on dog racing tracks : en
  • GB414750A - An improved tilling attachment of the rotary tilling machine type : en
  • AT138513B - Device for pushing back the cuticle. : de en
  • FR768474A - Crusher for papermaking : en fr
  • US1969689A - Manufacture of artificial filaments : en
  • AT138497B - Glove. : de en
  • AU1744734A - Improvements in tennis racquets : en
  • US1969055A - Relay : en
  • US1969322A - Treatment of mineral oils by heat : en
  • US1969535A - Electric distribution system employing mercury arc rectifiers : en
  • CA343663A - Feed water heater : en fr
  • CA343776A - Glassware forming apparatus : en fr
  • FR768470A - Advanced showcase : en fr
  • FR768733A - Indene manufacturing process : en fr
  • US1969146A - Moldable composition : en
  • CA343686A - Motor car stabilizer and safety brake : en fr
  • AT138532B - Reinforced concrete window sill supports in radiator niches. : de en
  • CA343695A - Wheel plate : en fr
  • CA343723A - Power amplifying and positioning apparatus : en fr
  • DE601007C - Drying process in which the material is exposed to the action of a stream of air or dry gas : de en
  • US1969304A - Refrigerator control : en
  • US1969588A - Metallic fiber pipe fitting and method of making same : en
  • AT138543B - Fluid coupling or transmission or brake. : de en
  • CA343760A - Magnesium base alloy : en fr
  • AT138453B - Flashlight. : de en
  • US1969096A - Alternating current relay : en
  • CA343813A - Modulation system : en fr
  • CA343838A - Coating containing hydrocarbon polymers : en fr
  • US1969402A - Building block and wall construction : en
  • USD92952S - Design for a hinge : en
  • USD92961S - Design for a textile woven fabric : en
  • AU1422233A - Improvements in or relating to book-form savings-boxes : en
  • US1969478A - Electric furnace : en
  • CA343802A - Glass article forming machine : en fr
  • CA343768A - Azo-dyestuff : en fr
  • GB414457A - Improvements in and relating to electric discharge apparatus : en
  • GB415039A - Improvements in or relating to bracket shelves : en
  • US1969239A - Automatic volume control for radiotelegraphy : en
  • US1969090A - Centralized traffic control system : en
  • US1969337A - Locomotive tender : en
  • FR43744E - Casting model for dental prosthesis : en fr
  • AU1374233A - 13742/33 : en
  • GB414474A - Improvements in or relating to muting devices for radio receiving sets : en
  • DE601103C - Process to protect the wool fiber when treated with acid stripping baths : de en
  • GB414656A - Improvements in printers' spacing-materials : en
  • USD92983S - Design for a kitchen cabinet or the : en
  • FR43734E - Milk pass : en fr
  • GB414660A - Improvements in and relating to roller-feed saw benches : en
  • US1969324A - Machine for raising pavement : en
  • DE601186C - Electric vacuum tubes with walls partly made of quartz and partly made of glass : de en
  • FR768707A - Measuring instrument for measuring the diameters of holes and shafts : en fr
  • US1969281A - Contractible spool : en
  • GB414630A - Improvements in mercury arc devices : en
  • DE601275C - Process for the production of so-called cold glazes on artificial stone surfaces : de en
  • FR768541A - Control by multiple electric motors, comprising asynchronous motors with stators and rotors respectively in parallel, particularly intended for multiple carding machines : en fr
  • USD92960S - Design for a battery servicing kit : en
  • GB414547A - Improvements in and relating to upholstery for automobile bodies : en
  • GB414680A - Improvements in or relating to photographic sound recording apparatus : en
  • DE600968C - Process for printing cotton, semi-wool and fabrics containing rayon : de en
  • DE601041C - Car roof : de en
  • DE601139C - Direction indicators for bicycles and motorcycles : de en
  • US1969622A - Ophthalmic lens : en
  • FR43750E - Device allowing the mechanical control of household utensils commonly used with continuous or reciprocating motion : en fr
  • FR768715A - System for locking nuts on bolts or similar : en fr
  • AT138506B - Circuit for regulating the volume. : de en
  • CA343750A - Friction tester : en fr
  • US1969135A - Heat exchanger : en
  • US1969400A - Puncture-sealing inner tube : en
  • US1969491A - Insecticide : en
  • GB414455A - Improvements in and relating to liquid-break electric switches : en
  • DE601083C - Knothole bits : de en
  • FR768611A - Foldable coat rack : en fr
  • GB414518A - Improvements in valves : en
  • GB414638A - Improvements in or relating to hatching appliances : en
  • GB414551A - Improvements in or relating to the fixing of anode protection means in metal vapour rectifiers : en
  • GB414642A - Improvements in or relating to the braking of rotatable members : en
  • AT138521B - Radio receiver. : de en
  • GB414530A - Improvements relating to electric cable joints : en
  • US1969327A - Rumbling barrel : en
  • US1969475A - Film gate for motion picture apparatus : en
  • GB414595A - Improved air-cooling arrangement for the engines of motor vehicles : en
  • GB414526A - Improvements relating to electric bells and like devices : en
  • AT138459B - Equipment on packaging for bales of fabric u. like : de en
  • CA343785A - Rubber goods : en fr
  • US1969174A - Apparatus for blowing wells : en
  • AT138504B - Logarithmic calculator. : de en
  • DE601236C - Process for the rearrangement of napene into pinene or camphene or from pinene into camphene : de en
  • DE601259C - Keyhole lock : de en
  • US1968969A - Snap-acting device : en
  • US1969204A - Road machine : en
  • US1969296A - Calculating device : en
  • DE601028C - Mercury vapor lamp in which the light tube is completely filled with mercury before the arc has ended : de en
  • DE601116C - Cathode ray television receiver whose amplifier tubes are heated by the alternating current network : de en
  • DE601261C - Figure-depicting rubber rubber toys vulcanized into molds : de en
  • GB414450A - Improvements in or relating to machines for grading or sorting articles by gravity : en
  • FR768479A - Cigarette mold set in a tobacco pouch : en fr
  • FR768578A - element for measuring concentration, particularly comprising a calomel electrode, for measuring the concentration of liquids : en fr
  • FR768572A - Baguette-cut cardboard packaging for the transport of fruits, vegetables, flowers and others : en fr
  • FR768697A - Improvements to scourers for steam generators : en fr
  • GB414538A - Improvements in skirts, trousers, breeches and the like wearing apparel : en
  • US1968968A - Electric control system : en
  • US1969112A - Cigarette dispensing device and associated mechanism : en
  • US1969639A - Threshing apparatus with vertical drum : en
  • DE601270C - Apparatus for making paper bags : de en
  • GB414731A - Improvements in or relating to nail or like fastener assorting mechanism : en
  • US1969299A - Manufacture of ureas, and substances of a like character of the naphthalene series : en
  • GB414563A - Improvements in and relating to electric circuit controlling apparatus : en
  • GB414566A - Improvements in or relating to roofs or arches : en
  • GB421107A - Improvements in or relating to flexible abrasive articles, sandpaper or the like, and processes of making same : en
  • DE601088C - Radiation-sensitive organ for radiation pyrometers : de en
  • FR768714A - Optical system giving continuously variable light deflection : en fr
  • US1969039A - Toy figure or the like : en
  • US1969328A - Radio transmitting circuit : en
  • US1969248A - Exerciser : en
  • US1969341A - Automatic protection of amplifier tubes : en
  • US1969512A - X instrument -mounting- : en
  • USD92970S - Design fob an envelope moistener : en
  • US1969430A - Refueling equipment : en
  • FR768532A - Cathodic oscillograph : en fr
  • FR768410A - Rotary drill bit holder with violin screw, for various crankshafts : en fr
  • US1969443A - Shade bracket : en
  • GB414471A - Tobacco pipe : en
  • CA343855A - Azo-dyestuff : en fr
  • AT138479B - Switching device for X-ray machines. : de en
  • US1968851A - Method of and apparatus for applying powdered asphalt to mineral wool to form a binder : en
  • CA343724A - Dental alloy : en fr
  • CA343822A - Envelope scoring mechanism : en fr
  • DE601092C - Safety device for hydraulic brakes on motor vehicles : de en
  • US1969439A - Radiator : en
  • US1969615A - Screw driver : en
  • US1969185A - Apparatus for use in teaching piano-playing : en
  • US1969097A - Apparatus for removing boots and shoes from lasts : en
  • US1968820A - Manufacture of the ammonium salt of the urea of m-amino-benzoyl-mamino-p-toluyl-1-naphthylamine-4:6:8-trisulphonic acid : en
  • US1968828A - Automatic oil and temperature control system for motor vehicles : en
  • US1968970A - Invalid bed attachment : en
  • US1969617A - Preserving device : en
  • FR768462A - Improvements in processes and apparatus for the manufacture of sparkling wines and similar drinks in closed tanks : en fr
  • FR768617A - Improvements to boiler feed : en fr
  • GB414631A - Bolt retainer : en
  • DK49102C - Radio Control System for Aircraft Management along a Line. : da en
  • US1969214A - Riveting machine : en
  • GB414510A - Improvements in and relating to control systems for electric discharge lamps : en
  • AU1500833A - Improvements in or relating to hay and like sweeps and to means for attaching them to motor vehicles : en
  • DE601239C - Process for thermodynamic energy storage : de en
  • DE601678C - Egg timer with alarm device : de en
  • FR768560A - Improvements to machines for planting potatoes or similar seeds : en fr
  • GB414422A - Improvements in or relating to wrapping machines : en
  • CA343688A - Building : en fr
  • GB414682A - Improvements in or relating to valves : en
  • DE601049C - Preheater with tube bundle arranged perpendicular to the steam flow : de en
  • US1969466A - Ticket scale : en
  • US1969068A - Apparatus for supporting annular articles : en
  • US1969472A - Low temperature carbonization of coal : en
  • US1969255A - Firearm receiver : en
  • US1969271A - Coin registering receptacle : en
  • US1969516A - Production of alkali metal carbamates : en
  • US1969297A - Tape control for projectors : en
  • CA343833A - Metal trimming mechanism : en fr
  • DE600993C - Braiding made of synthetic horn (casein) : de en
  • DE601106C - Disk-shaped copy device : de en
  • GB414487A - Improvements in damping apparatus for lithographic offset printing machines : en
  • US1969209A - Radio receiving apparatus : en
  • US1969595A - Opening automobile top : en
  • USD92988S - Design fob a spoon or similar : en
  • DE601155C - Label tape or other tape to be cut through at certain intervals and method for its production : de en
  • US1969197A - Oven door : en
  • US1968914A - Rubber composition and method of preserving rubber : en
  • AT138490B - Bicycle bell. : de en
  • US1968827A - Brush : en
  • US1969578A - High frequency generator : en
  • FR768730A - Display support : en fr
  • GB414485A - Improvements in or relating to mercerisation of textile materials and like processes : en
  • CA343826A - Hydrocarbon oil : en fr
  • US1968922A - Process of coating : en
  • US1968939A - Grading machine for fruits and vegetables : en
  • US1969106A - Adhesive applying and registering mechanism : en
  • US1969343A - Rail tie : en
  • US1969479A - Method of producing color photographic images by development : en
  • US1969416A - Gear shift : en
  • US1969661A - Transmission : en
  • US1968981A - Bag closure : en
  • AU1314133A - Improved method of preserving rubber and the product of such method : en
  • US1969044A - Dyestuff of the anthraquinone series and process of preparing the same : en
  • US1969483A - Telegraph repeater : en
  • AU1379433A - Improvements in hydrodynamic power transmission devices : en
  • FR768477A - Articulation system for frames, particularly applicable to the construction of folding furniture : en fr
  • FR768720A - Device for squeezing lemon slices and others suitable for the table : en fr
  • AU1406133A - Improved yeast or yeast preparation for use inthe making of leavened bread andthe like : en
  • US1968847A - Structural adsorptive carbon and process of making same : en
  • US1969033A - Filter : en
  • AT138503B - Process for obtaining ultraviolet and luminous radiations of controllable composition and means for their application. : de en
  • CA343831A - Knitted fabric : en fr
  • DE601025C - Switch tongue locking with magnetic lock : de en
  • FR768683A - Method and device for joining parts together, particularly applicable to spark plugs : en fr
  • US1968915A - Display device : en
  • US1969235A - Process of treating containers for reception of transformer oil : en
  • US1969551A - Animated silhouette picture and method of making same : en
  • USD92984S - Design foe a kitchen cabinet or the : en
  • FR768570A - Interior shoe brake enhancements for vehicles : en fr
  • US1968925A - Universal joint : en
  • US1969325A - Hot metal car : en
  • US1969679A - Liquid gauge : en
  • DE601205C - Procedure for attaching the cage winding in the running grooves of miniature motors : de en
  • CA343842A - Insulation pad : en fr
  • DE600930C - Circuit arrangement for remote offices : de en
  • DE601099C - Device for the rapid de-energization of electrical machines : de en
  • GB414691A - Improvements in and relating to refuse-collecting vehicles : en
  • US1969208A - Method for branding pork loins : en
  • US1969431A - Safety tool joint : en
  • AT138515B - Device to prevent premature destruction of glowing filaments or to prevent gas consumption in incandescent lamps. : de en
  • US1968959A - Nut lock : en
  • CA343857A - Textile material processing : en fr
  • FR768424A - Improvements to discharge devices in a vaporizable medium : en fr
  • GB414696A - Improvements in reflectors for use in connection with a combined light and heat radiator for medical purposes : en
  • GB414436A - Improvements in or applicable to straight bar knitting machines : en
  • GB414486A - Improvements in and relating to hydraulic operating mechanism : en
  • CA343762A - Thread supplying process : en fr
  • FR43718E - Improvements to printing rolls : en fr
  • DE584112C - Resistance arrangement for regulating the volume with changing the timbre for low-frequency currents : de en
  • FR43731E - Adjustable stretchers trolley : en fr
  • FR768620A - Method of superficial consolidation of the soil and formation of coatings for roads, pavements and other soils and tool for its application : en fr
  • GB414683A - Improvements in or relating to gas fires : en
  • CA343765A - Spring washer : en fr
  • DE601005C - Wrapping machine in which the object is wrapped with a cover and a printed tape : de en
  • DK49107C - Procedure and Device for Manufacturing Bodies of Fibrous Porridge. : da en
  • US1969260A - Supporting fabrication for tents : en
  • US1969382A - Preparation of a stable hydro-alcoholic extract of ergot : en
  • US1969680A - Apparatus for musical reproduction : en
  • FR768522A - Sampling device, especially for colors, varnishes or other similar applications : en fr
  • US1969105A - Thermoresponsive electric controller : en
  • US1969391A - Freight container car : en
  • AU1636334A - A window assembly for vehicle body ventilation : en
  • CA343727A - Electro-chemical process : en fr
  • DE601237C - Process for the production of bismuth phenolates : de en
  • USD92986S - Design for a beverage dispenser : en
  • GB414706A - Improvements in or relating to packing for spigot and socket joints : en
  • US1968842A - Treatment of hydrocarbons : en
  • USD92954S - Design foe a curtain : en
  • US1969180A - Cigarette machine : en
  • US1969636A - Adhesive : en
  • US1968824A - Signal apparatus : en
  • US1969179A - Laundry machine : en
  • US1969003A - Coating : en
  • US1969423A - Fuel oil burner : en
  • US1968897A - Device for gumming tape : en
  • US1969064A - Relay : en
  • AU1285333A - Improvements in luminous signs comprising electric luminous discharge tubes : en
  • GB414560A - Improvements in telephone plants for wireless transmission of communications : en
  • GB414632A - Improvements in and relating to the manufacture of laminated articles : en
  • FR768485A - Improvements in electron emitters and their manufacturing methods : en fr
  • US1969693A - Tuyere : en
  • US1969264A - Method of reducing metals from oxidized materials : en
  • US1969656A - Knockdown scaffolding : en
  • US1969252A - Manufacture of hollow rubber articles : en
  • AT138496B - Sport dress. : de en
  • AT138517B - Device for the projection of images that are supplemented during the projection period. : de en
  • CA343817A - Typewriter : en fr
  • FR43749E - Improvements to shower injectors : en fr
  • AU1415533A - An improved plunger for washing clothes andother washable fabrics : en
  • US1969458A - Apparatus for moving motion picture film : en
  • US1969658A - Thermionic tube : en
  • US1969124A - Brine solution : en
  • DK49084C - Procedure for Making Writing Inks. : da en
  • US1969319A - Thermal relay : en
  • US1968995A - Stocking and method of making same : en
  • US1969195A - Container : en
  • US1969445A - Photographic emulsion containing neothiazolocarbocyanines : en
  • US1969589A - Macaroni and means for producing the same : en
  • US1969695A - Vertical turbo-generator arrangement : en
  • FR768491A - Automatic device for indicating the quantities contained in silos, tanks, storage boxes and similar containers : en fr
  • GB414505A - Improvements in and relating to renewable treads for stairs : en
  • FR768529A - Pneumatic tire tread : en fr
  • DE601172C - Rotatable pipe connection, consisting of two concentric pipe connection pieces with ball bearings and a seal in between : de en
  • FR43743E - Improvements in butter making and working machines : en fr
  • FR768497A - Device for fixing a threaded ring on a metal packaging : en fr
  • GB414468A - Improvements relating to clutches : en
  • FR768473A - Improvements in television, image transmission and the like : en fr
  • GB414426A - New solid vat dyestuff preparations : en
  • FR768550A - Process for maintaining steam turbine installations with dynamos in reserve, ready for operation : en fr
  • DE601126C - Method to demonstrate a double-sided, tape-shaped, finite sound recording medium on an optical sound machine with episcopic scanning on both sides : de en
  • FR43710E - Motor vehicle : en fr
  • FR768429A - Safety razor frame : en fr
  • GB414622A - System of connecting nozzles or branch pipes to pressure vessels : en
  • FR768489A - Windscreen wipers for automobiles and the like : en fr
  • FR43703E - Lubricants and process for their preparation : en fr
  • GB414729A - Improvements in high speed steam engines with gear transmission for railway locomotives : en
  • GB414506A - Improvements in multi-grid thermionic valves : en
  • GB414756A - Improvements in or relating to fuel burners : en
  • US1969676A - System of electrical distribution : en
  • GB414548A - Improvements in protective devices for commercial oil heating systems : en
  • DE1308401U - : de en
  • DE601122C - Thread clamping device for knitting machines, especially circular knitting machines : de en
  • DE601221C - Chain guards : de en
  • FR768638A - Electro-dynamic speaker : en fr
  • GB414509A - Improvements in cartons for powder and the like : en
  • GB414626A - Improvements in rotary engines : en
  • GB414516A - Improvements in and connected with golf clubs : en
  • FR768741A - Differential claw for sewing machines : en fr
  • DK49098C - Pessar. : da en
  • CA343666A - Racquet stringer : en fr
  • FR768580A - Device for placing photographs in albums using gummed corners : en fr
  • FR768436A - Dog leash or other similar applications : en fr
  • DE597263C - Ink supply device for printing machines, especially gravure printing machines : de en
  • GB414524A - Improvements in and relating to cooling systems for a vapour electric discharge device and a transformer connected thereto : en
  • GB414600A - Improvements in the remote control by wireless of unmanned signal stations : en
  • GB414523A - Improvements in or relating to the manufacture of thermionic valves and the like : en
  • USD92944S - Design for a souvenir medal : en
  • US1969245A - Basket : en
  • US1969690A - Lubricating arrangement : en
  • DE601020C - Rotary kiln for burning, sintering, roasting, agglomerating and drying goods : de en
  • DE601023C - Railway superstructure with sleepers laid at an angle to the axis of the rail line : de en
  • CA343761A - Colour photography : en fr
  • US1969242A - Method of dispersing solids : en
  • GB414597A - Improvements in or relating to the preparation of fluorescent screen substances for cathode ray excitation : en
  • GB415090A - Improvements in or relating to knitting machines : en
  • DE601254C - Process for the production of colored, high molecular weight, organic, malleable masses : de en
  • GB414493A - Improvements in and relating to horse shoes : en
  • GB414456A - Improvements relating to variable speed mechanisms : en
  • GB414655A - An improved driving mechanism for driving horizontal drum mixers for mixing concrete and other granular materials : en
  • GB414541A - Improvements in or relating to the treatment of textile fibres and materials : en
  • FR768523A - Automatic signaling system for moving vehicles applicable to railways, main roads and other traffic routes : en fr
  • FR768637A - Improvements to cold rooms : en fr
  • GB414686A - Improvements in or relating to photographic type composing : en
  • GB414687A - A method and apparatus for producing or regulating a state in a fluid by electrical treatment thereof, more particularly in air for ventilation : en
  • FR768412A - Double Thread Screw Threading Machine : en fr
  • FR768533A - Elastic coupling for smooth power transmission between two shafts : en fr
  • GB414612A - Multiple electric meter device for measuring current and voltage : en
  • FR768493A - Industrial heating installation in which the altar is fitted with devices to bring air into the hearth : en fr
  • FR768515A - Adjustable press in front of the platen bar, for straight knitting machines : en fr
  • FR43727E - Direct view windshield through the air : en fr
  • GB414549A - Improvements in and relating to automatic prepayment apparatus : en
  • FR768520A - Ring pad intended to repel stones applicable to dual wheels with rubber tires : en fr
  • FR768487A - Improvements to pasteurization devices : en fr
  • US1969567A - Process for the treatment of zinc sulphide ores : en
  • AT138473B - Post-synchronization process and optical guide for its implementation. : de en
  • CA343730A - Thermionic apparatus : en fr
  • GB414654A - An improved hydraulically controlled variable-speed gear : en
  • GB414667A - Manufacture of halogenated arylamines : en
  • US1969532A - Switch operating mechanism : en
  • US1969011A - Lock : en
  • US1969344A - Radio-phonograph control device : en
  • US1969442A - Decorticating machines for grain, rice, and similar cereals : en
  • US1968860A - Fiber cleaning machine : en
  • US1968920A - Diaphragm lever and saddle mechanism : en
  • US1969477A - Nitrocellulose cement : en
  • US1969144A - Signal device : en
  • FR768507A - Improvements in inner tubes for motor vehicle wheels : en fr
  • GB414495A - Improvements in flexible cutter chain : en
  • DE601022C - Production of ammonrhodanide : de en
  • FR768504A - Improvements made to geared speed change mechanisms, in particular those for motor vehicles : en fr
  • FR768516A - Camera body : en fr
  • FR768658A - Machine for sorting delicate fruits and other applications : en fr
  • CA343691A - Silk stocking : en fr
  • AT138466B - Image control device on photographic or cinematographic recording apparatus. : de en
  • US1969624A - Limit sliding gauge : en
  • US1969247A - Exerciser : en
  • US1969710A - Device for goggles and the like : en
  • US1969369A - Electrical signaling and indicating means : en
  • AU1518233A - Improvements in or relating to electric discharge tubes : en
  • AU1636734A - Improvements in insole and process of making shoes therewith : en
  • DE601196C - Process for the protection of animal fibers when treated with alkaline liquids : de en
  • CA343683A - Soft drink composition : en fr
  • GB414733A - Improvements in or relating to lighting fittings : en
  • FR768446A - Coupling device for single-cable conveyor : en fr
  • FR768698A - Fuse electrolyte rectifier : en fr
  • GB415044A - Improvements in grinding or abrading machines : en
  • GB414453A - Process for the manufacture of aminonaphthol sulphonic acids containing residues of bile acids and for the manufacture of dyestuffs therefrom : en
  • FR768496A - Rigid seat with flexible supports for vehicles : en fr
  • GB414590A - Improved machine for testing the strength and hardness of metals : en
  • DK49105C - Seaweed-like Serving Cutlery. : da en
  • US1969584A - Cutting table : en
  • FR768677A - Improvements in the manufacture of ammonium sulphate : en fr
  • DK49094C - Method with associated apparatus for loading bark-edged wood by so-called Linderman machines. : da en
  • GB414610A - Improvements in tunnel kilns : en
  • DE601167C - Cash register : de en
  • GB414503A - Improvements relating to automatic telephone and like selective systems : en
  • GB414522A - Improvements in and relating to apparatus for mixing pulverulent material with liquids : en
  • US1968992A - Apparatus for coating surfaces : en
  • US1969021A - Pyritic smelting and recovery of sulphur : en
  • FR768494A - Improvements to chain unwinding devices by braking the beam : en fr
  • US1969649A - Washing machine and drive therefor : en
  • DE601133C - Device for the visible adjustment of the grinding pressure in Planhollaendern with two adjusting devices : de en
  • FR43745E - Training apparatus operated by muscle force and own weight of human body : en fr
  • FR768457A - Device for stapling brush straws : en fr
  • DE601033C - Piston pump : de en
  • DE601146C - Incinerator with post-combustion device : de en
  • FR43715E - Improvements to the gate circuits of discharge valves in an ionized medium : en fr
  • GB414459A - Improvements in and relating to methods of and apparatus for the production of seamless tubes and the like : en
  • AT138492B - Neck reinforcement for long-necked string instruments, in particular guitars. : de en
  • FR768472A - Small synchronous motor with automatic start : en fr
  • FR768543A - Improvements in DC transformers : en fr
  • US1969269A - Furfuryl xanthate and process of making it : en
  • US1969536A - Apparatus for controlling the thickness of strip material : en
  • DE601134C - Cone mills with material return for the paper industry : de en
  • FR768501A - Improvements to extra-flat bed bases : en fr
  • FR768517A - Overlock sewing machine, with needle thread and hook thread regulator : en fr
  • DE601251C - Process for the continuous drying of cellulose tubes : de en
  • FR43719E - Photoelectric cell : en fr
  • FR768598A - Electrical switches : en fr
  • USD92987S - Design fok a confectionery product : en
  • US1969278A - Liquid treating apparatus : en
  • US1969288A - Trailer hitch : en
  • GB414629A - Improvements in the waist formation of trousers, skirts and like garments : en
  • CA343681A - Glass bottle forming machine : en fr
  • FR768735A - Liquid line electric circuit breaker : en fr
  • DE601180C - Eccentric device for lifting rain, dust and draft-proof window sashes : de en
  • FR768418A - Process for the fractionation of gaseous mixtures, at low boiling point, into their constituents : en fr
  • FR768574A - Use of the fruit shells for the manufacture of plastics, synthetic resins, and the like : en fr
  • FR768612A - Improvements to machines for recording and rehearsing phonograph records : en fr
  • GB414693A - Improvements in variable speed gearing : en
  • DE601177C - Device for spherical grinding on cylindrical grinding machines : de en
  • GB414521A - Improvements in and relating to extraction apparatus : en
  • GB414604A - Improvements in apparatus for vending newspapers and the like : en
  • US1969169A - Method of and apparatus for solidifying carbon dioxide : en
  • DE601063C - Conveyor device for band-shaped workpieces that are to be processed in a continuous operation : de en
  • DE601263C - Process for the manufacture of erosion-resistant turbine blades : de en
  • FR43746E - Improvements made to the lifting and turning devices of agricultural machinery and in particular of polysoc plows or the like : en fr
  • GB414556A - Improvements in devices for teaching arithmetic : en
  • US1969403A - Index for guide cards : en
  • FR43714E - Pneumatic station installation particularly intended for boxes which determine their own path by closing contacts : en fr
  • FR768699A - Process for reducing the viscosity of nitrocellulose : en fr
  • FR768432A - Electric aro welding process : en fr
  • GB414697A - Improvements in or relating to combined light and heat radiators for medical purposes : en
  • DE599790C - Hot drawing bench (hot drawing bench) plant : de en
  • DE601024C - Screw locking, especially for the railway superstructure : de en
  • GB414428A - Improvements in a furnace for the heat treatment of steels and alloys under atmosphere controlled conditions : en
  • GB414664A - The manufacture of new dyestuffs of the anthraquinone series : en
  • US1969552A - Thread waxing device and wax pot therefor : en
  • US1969418A - Apparatus for quick freezing of articles : en
  • US1969123A - Apparatus for building up shore land and beaches : en
  • DE601029C - Closing device for the rear end of traveling grids : de en
  • DE601199C - Method of manufacturing a cattle wagon with a liquid-tight metal pan : de en
  • US1969075A - Highway crossing signal system : en
  • US1968830A - Wire tightener or puller : en
  • US1969526A - Power plant : en
  • US1968916A - Food product : en
  • GB414511A - Improvements in and relating to electric immersion heaters : en
  • GB414472A - Improvements in electric lamp holders : en
  • US1969433A - Flying shear : en
  • US1969562A - Tack strip feeding mechanism : en
  • US1969006A - Fruit juice extractor : en
  • US1969188A - Means for drawing and holding wounds : en
  • US1969594A - Ice dispensing machine : en
  • FR768643A - Absorption and recovery process : en fr
  • FR768694A - Improvements relating to motor vehicles and devices for lifting and moving these vehicles : en fr
  • FR768498A - Paver and its manufacturing process : en fr
  • FR768552A - Process and apparatus for the treatment of boron ores : en fr
  • DE601108C - Rail vehicle with a horizontally suspended car body : de en
  • GB414557A - Improvements in concrete building panels and mould therefor : en
  • US1969272A - Linoleum and its manufacture : en
  • US1969422A - Treatment of coals, tars, mineral oils, and the like : en
  • USD92946S - Design for an electric stove : en
  • CA343840A - Vertical retort : en fr
  • FR768691A - Electric circuit breaker with liquid injection cut-off pot : en fr
  • FR768406A - Reversible service : en fr
  • FR768749A - Method of introducing or injecting liquids into loose masses : en fr
  • GB414636A - Improvements in or relating to power transmission systems for vehicles : en
  • DK49089C - Dustproof Wheel Hub. : da en
  • GB414458A - Improvements in and relating to high pressure steam producers : en
  • DE601231C - Anti-aging agent for vulcanized rubber or vulcanized rubber compounds : de en
  • US1969183A - Composition of matter : en
  • US1969420A - Pulp beating and washing engine : en
  • US1968864A - Pump controlling apparatus : en
  • US1969652A - Automatically controlled refrigerating system : en
  • USD92985S - Design for a bottle : en
  • US1968891A - Fountain coating implement : en
  • US1969156A - Heat insulating material : en
  • US1969329A - Radio frequency wave reception : en
  • CA343854A - Illuminated fishing float : en fr
  • DE601059C - Dough piece notching machine : de en
  • GB414694A - An improved case for holding skeins of stranded silk, cotton, or the like : en
  • CA343707A - Whistle instrument : en fr
  • DE601179C - Door lock : de en
  • FR768646A - Improvements to processes and apparatus for closed-vessel disinfection under partial vacuum : en fr
  • GB414702A - Improved luggage bag and method of attachment of bag to bicycles, tricycles, motorcycles, and the like : en
  • US1968859A - Torsion tachometer : en
  • US1969081A - Apparatus for use in the determination of grain sizes in granular material : en
  • US1969450A - Apparatus for capping containers : en
  • US1969631A - Burial vault : en
  • AT138499B - Electric discharge tube. : de en
  • AT138500B - Process for the preparation of an antithyroid substance from blood or parts of blood or from suitable organs. : de en
  • US1969539A - Pneumatic and like tool : en
  • AT138455B - Electric hotplate. : de en
  • FR768710A - Centrifugal molding machine : en fr
  • US1968822A - Gaseous electric discharge device : en
  • FR768480A - Improvements to the gears of agricultural machinery : en fr
  • GB414444A - Improvements in or relating to regulating means for electrical powersystems : en
  • GB414598A - Railway wagon with removable part forming a trailer for transportation by road : en
  • GB414640A - Improvements in or relating to sewing machines : en
  • FR768704A - Device for controlling a photographic shutter and the excitation of a magnesium bulb or the like : en fr
  • GB414603A - Improvements in circuit arrangements for amplifying or producing high frequency oscillations : en
  • US1969405A - Steam boiler : en
  • US1969571A - Transmission network : en
  • US1968929A - Rail tie and fastener : en
  • US1969609A - Cleaning device : en
  • US1969388A - Lock for burglar alarms : en
  • AT138514B - Push-pull amplifier. : de en
  • DE601184C - Evaporator with pre-heater : de en
  • FR43741E - Process for mass production of cores : en fr
  • DE601014C - Process for producing the photosensitivity of photoelectrically active bodies, such as selenium or the like, by means of heat treatment using an inert liquid which transfers the heat to the body concerned : de en
  • FR43706E - Improvements to glasses : en fr
  • DK49109C - Liquid Fuels of Oil Suspended Finely divided Coal and Procedure for its Manufacture. : da en
  • DE601027C - Equipment for cooling electrical machines : de en
  • FR43702E - Device for controlling vacuum cells by means of anode grids : en fr
  • GB414437A - A machine for the measuring and marking of electric cables and similar articles : en
  • FR43701E - Vibrating armature regulators on dynamos : en fr
  • FR768408A - Improvements in fire direction devices for anti-aircraft guns : en fr
  • FR768693A - Burning continuous fire hearth : en fr
  • GB414568A - Improvements in systems for the telephonic distribution of time and other signals : en
  • GB414770A - Improvements in dyeing acetyl-cellulose and mixed materials containing acetyl-cellulose : en
  • FR768589A - building element : en fr
  • GB414545A - Improvements in or relating to electric devices for warming or airing beds : en
  • US1969455A - Sanitary cut-off for tubes and the like : en
  • US1968871A - Safety supporting means for brake beams : en
  • US1969606A - Apparatus for testing the fastness to light of dyes, inks, and other color materials : en
  • US1969698A - Automatic clutch : en
  • CA343704A - Electric rectifier : en fr
  • CA343719A - Paper broke reconditioning apparatus : en fr
  • CA343747A - Solvent processing : en fr
  • DE601195C - Clothes line post with line tensioning device : de en
  • FR768576A - Combined machine for internal grinding and for grinding flat surfaces : en fr
  • US1969118A - Valve for inflatable articles : en
  • US1969374A - Tube covering : en
  • US1969627A - Gas cleaning apparatus : en
  • US1969010A - Lock : en
  • CA343827A - Oil absorption process : en fr
  • US1969553A - Electrolyte for the deposition of : en
  • DE601093C - Fitting with sharp teeth to be driven into the base : de en
  • DE600961C - Device for signaling temperature increases : de en
  • CA343737A - Motor control system : en fr
  • DE580118C - Drift for the production of cast concrete sheet piling in the ground : de en
  • DE601056C - Fuel injector : de en
  • US1969385A - Measuring device : en
  • US1969573A - Electrical measuring system : en
  • US1968861A - Electrical carder : en
  • CA343684A - Filament and fabric processing : en fr
  • FR768440A - Method for designating a predetermined route in space : en fr
  • FR768748A - Ball catch : en fr
  • US1968867A - Electric instrument handle : en
  • FR768425A - A method of operating positive light column gas discharge tubes, in particular metal vapor lamps for television : en fr
  • GB414533A - Improvements in or relating to apparatus for grinding or polishing plain or proflled bodies : en
  • US1969634A - Turntable : en
  • US1969392A - Arbor support for milling machines : en
  • US1968858A - Dentifrice : en
  • US1968976A - Method of forming composite brake drums : en
  • US1969303A - Cloth winding rack : en
  • USD92947S - Design for a water heater : en
  • US1968989A - Key retaining member or key ring : en
  • GB414607A - A new or improved device or appliance for use in playing games : en
  • CA343792A - Alumina production : en fr
  • CA343807A - Glass : en fr
  • AT138461B - Lever press for fruit u. like : de en
  • US1968966A - High speed steel : en
  • US1969193A - Vehicle wheel : en
  • US1969549A - Rotary brush : en
  • CA343836A - Levelling machine : en fr
  • DE601183C - Process for the production of ignition compounds : de en
  • DE601016C - Belt connection for scales : de en
  • US1968812A - Apparatus for freezing materials and storing and dispensing frozen products : en
  • US1969237A - Manufacture of acetic acid anl lactic acid : en
  • US1969015A - Pencil : en
  • US1969607A - Map : en
  • US1969508A - Shock absorber : en
  • US1969076A - Compressor : en
  • US1969256A - Acoustic instrument : en
  • US1969308A - Manufacture of aqueous dispersions : en
  • US1969294A - Blast furnace tuyere : en
  • US1969569A - Method of making printed cellophane : en
  • US1969071A - Apparatus for the manufacture of rubber tubes : en
  • US1969127A - Apparatus for treating rubber slabs : en
  • US1969203A - Hose coupling and method of making the same : en
  • US1968932A - Electrically operated clock : en
  • US1969599A - Radio receiving system : en
  • USD92974S - Design for a casing for oil burners : en
  • US1969150A - Tool retainer : en
  • CA343799A - Short wave oscillation generator : en fr
  • FR768639A - Advanced engine : en fr
  • FR768427A - Indicator of the level and temperature of a liquid in a tank, particularly in engine radiators : en fr
  • FR768452A - Process for preparing caffeine-free coffee using raw coffee containing caffeine : en fr
  • DE601276C - Feeding device for bucket conveyance : de en
  • AT138484B - Method and device for the production of cylindrical socket or flanged high pressure pipes from asbestos cement or other building materials. : de en
  • US1969419A - Transfer truck : en
  • US1969372A - Locomotive tender : en
  • CA343715A - Metallic container closure : en fr
  • US1969465A - Means for maintaining moving bands in synchronism : en
  • DE601265C - Device for interrupting electrical currents : de en
  • FR768722A - Gooseneck hand lance with converging jets : en fr
  • DE601170C - Welding socket connection with relieved welding joint : de en
  • AU1532933A - Animal drencher : en
  • CA343779A - Hose coupling : en fr
  • US1968938A - Motion picture apparatus : en
  • AT138465B - Device for the production of cinematographic combination images. : de en
  • CA343678A - Ice cream scoop : en fr
  • DE601061C - Process for the production of sharp-edged dovetail pieces for the molding of briquette presses from high-quality steel sheets : de en
  • US1969211A - Lawn mower : en
  • US1969678A - Ferric chloride etching solutions : en
  • US1969519A - Method of and apparatus for commingling a binder with mineral wool : en
  • US1968926A - Vat and s : en
  • US1969659A - Adhesive : en
  • USD92981S - Design for a food container : en
  • DE601226C - Backflow protection for machine shafts, especially for electrically driven centrifuges with counter-current braking : de en
  • DE601031C - Self-seller for gas, water or electricity with a device for collecting a basic fee : de en
  • CA343687A - Wheel mounting and steering gear : en fr
  • US1968899A - Process for the purification of carbonic acid gas produced by fermentation and otherprocesses : en
  • FR768645A - Improvements in high frequency cable telephony : en fr
  • GB414489A - Improved steel wire or cable for use in capturing whales : en
  • US1969540A - Pipe : en
  • US1969563A - Apparatus for lubricating wire rope : en
  • US1968825A - Portable fire extinguisher : en
  • US1969062A - Railway sleeper : en
  • CA343775A - Grain separator : en fr
  • US1969699A - Control of direct current for motors : en
  • US1969413A - Container : en
  • AT138475B - Sports hat. : de en
  • DE601242C - Device for tearing open and picking up old trackless bedding : de en
  • US1969018A - Alloy : en
  • US1969149A - Clutch : en
  • US1969194A - Nut cracker : en
  • US1969221A - Marking machine : en
  • US1969456A - Television scanning system : en
  • US1969000A - Dandy roll : en
  • US1969013A - Toggle clip : en
  • US1969051A - Battery terminal : en
  • US1969201A - Removal of wax from hydrocarbon oils : en
  • US1969650A - Process for the manufacture of fertilizer : en
  • US1969082A - Laundry washing machine : en
  • US1969186A - Tank gauge : en
  • FR768569A - : fr
  • GB414572A - Manufacture of dicarboxylic acid chlorides : en
  • DK49083C - Procedure for the manufacture of phosphatide products. : da en
  • FR768518A - Device for mixing and humidifying air or gas : en fr
  • GB414440A - Improvements in direction signalling apparatus for use on road vehicles : en
  • DE601076C - Method for generating a combined rotating and swiveling movement of the electrode during arc welding : de en
  • GB414534A - Improvements in and relating to electric fuses : en
  • FR768745A - Improvements to machines for waxing strips of cigarette paper and the like : en fr
  • FR768636A - Ball of rubber or other similar material with fixing device allowing it to be attached to any link : en fr
  • GB414434A - Improvements in or relating to hot water supply systems : en
  • GB414442A - Covers for cups, jugs, jars and like vessels : en
  • DE601111C - Installation on weight-dependent rail brakes with hydraulic lifting device : de en
  • DE601148C - Method of manufacturing window box parts : de en
  • US1969038A - Electric furnace : en
  • US1969537A - Method and means for determining altitude from aircraft : en
  • CA343759A - Rubber vulcanization : en fr
  • FR768584A - Manufacturing process for aliphatic acids : en fr
  • GB414633A - Improvements in screw-thread cutting mandrels : en
  • FR768644A - Process for separating air and similar gas mixtures by liquefaction and rectification : en fr
  • FR768456A - Low consumption five-stroke engine : en fr
  • US1969276A - Merchandise handling system : en
  • DE601037C - Device for the demonstration of wandering writing on a housing, on the ceiling of which is illuminated with colored lights, puppets perform dance movements : de en
  • DE601152C - Process for the quick and easy cleaning of gel-like, inorganic and organic deposits : de en
  • DE601165C - Bearing metal made from a lead-rich copper alloy : de en
  • GB414570A - Manufacture of aromatic dicarboxylic acid chlorides : en
  • US1969461A - Display apparatus : en
  • GB414470A - Basket for centrifugal machine : en
  • GB415028A - Improvements in or relating to bracket shelves : en
  • FR768405A - Thermometer for measuring the resulting dry temperature : en fr
  • GB414424A - Improvements in or relating to apparatus for practising ball games : en
  • GB414494A - Improvements in or relating to building sheets or the like : en
  • US1969129A - Cutting implement : en
  • AT138534B - Spindle bearing. : de en
  • GB414645A - Improvements in and relating to boxes or receptacles for powders : en
  • FR768561A - Front-end improvements for agricultural machinery : en fr
  • FR768548A - Automatic tabletop device usable as a board game : en fr
  • US1969312A - Structural unit : en
  • GB414452A - The manufacture of asymmetrical thiourea-derivatives : en
  • GB414561A - Improvements relating to remote controlled pressure fluid clutches : en
  • FR768670A - Device for trimming bores, bleeding internal circular grooves, etc. : en fr
  • GB414717A - The manufacture of fish liver oils : en
  • FR768420A - Improvements to lighting apparatus for motor vehicles, apparatus such as position or parking lights : en fr
  • GB414634A - Improvements in or relating to electric signal transmission systems : en
  • US1969355A - 3-carboxy-4-alkoxy-4'-nitro-diphenyl : en
  • US1969448A - Photographic emulsion containing oxa-/-cyanines : en
  • GB414587A - Winch for the operation of grabs, buckets and the like : en
  • GB414605A - Improvements in the method of manufacture of antiseptic cotton or dressings : en
  • FR768747A - Improvements to incinerator ovens for slaughterhouse waste, household waste, etc. : en fr
  • FR768633A - New manometric device and its applications : en fr
  • US1969005A - Apparatus for the directional transmission and reception of wave energy : en
  • FR768542A - Method and loom for making knitted hats and the like : en fr
  • US1969685A - Spinning unit : en
  • FR768524A - Improvement in double-turn security locks : en fr
  • GB414718A - Improvements in or relating to blasting explosive cartridges : en
  • GB414546A - Improvements in aircraft with aerodynamically rotatable wings and power plant therefor : en
  • GB414701A - Improvements in or relating to electric motors : en
  • AU1424433A - Improvements in centrifugal casting machines : en
  • FR768453A - Washing machine or the like, drum which can be operated in at least two different ways : en fr
  • DE601234C - Press die for the production of corrugated iron walls from sheet metal : de en
  • US1968923A - Dyeing preparation and its conversion to dyestuffs : en
  • DE599525C - Process for the production of bottle caps and similar hollow bodies from viscose by the dipping process : de en
  • CA343847A - Power driven snow vehicle : en fr
  • US1968944A - Three-color photography : en
  • US1969547A - Adjustable supporting device : en
  • GB414623A - Improvements in radio tube shields : en
  • GB414723A - Improvements in and relating to fumigating apparatus : en
  • GB414480A - Improvements relating to water heaters : en
  • GB414599A - Telescopic tool for deep stamping : en
  • US1968823A - Gaseous electric discharge lamp device : en
  • AT138537B - Window rotatable in both directions about a central axis. : de en
  • GB414553A - Improvements in and relating to the production of resistor elements of wire for electrical heating apparatus : en
  • US1969137A - Compressor unit construction : en
  • CA343786A - Piston ring : en fr
  • US1969504A - Desuperheater control : en
  • AT138540B - Wire mesh. : de en
  • US1969394A - Means for facilitating the cutting of laminated glass : en
  • AT138482B - device for the production of ceramic objects. : de en
  • FR768732A - Manufacturing process and method of applying bodies useful in the treatment of textiles : en fr
  • USD92977S - Design for a combined clock case : en
  • US1968917A - Process of making steel : en
  • US1969437A - Fabricated face for ventilators : en
  • DE601050C - Sheet turning and delivery device for printing machines : de en
  • DE601181C - Baskuel clasp : de en
  • GB414491A - Improvements in and relating to alternating current power circuitbreakers : en
  • US1968997A - Device for the treatment of certain ailments : en
  • FR768428A - Universal hose clamp with non-perforated metal tape : en fr
  • FR768723A - Improvements to heavy oil burners, particularly those operating by natural draft : en fr
  • GB414481A - Improvements in and relating to power shafts and sleeve elements therefor : en
  • US1969646A - Discharge tube electrode : en
  • USD92953S - Design fok a bottle : en
  • US1968886A - Die clamping device : en
  • GB414475A - Improvements in or connected with electrical apparatus for heating air : en
  • GB414609A - Improvements in valve mechanism for controlling the discharge of granular material, beans and the like from drying apparatus : en
  • GB414531A - Improvements in and relating to the blading of steam and gas turbines : en
  • US1969171A - Umbrella construction : en
  • US1969111A - Gripping and securing mechanism : en
  • US1969266A - Cushion support for furniture : en
  • GB414705A - Improvements in or relating to photographic type composing : en
  • DE601135C - Device for developing blueprints : de en
  • GB415047A - Improvements in or relating to electrical devices for the heating of rooms : en
  • CA343767A - Grease cup : en fr
  • GB414555A - An improved method of and means for recording sound : en
  • IE13018L - Thermionic valves : en
  • FR768505A - Use of pipes carrying water, gas, oil, etc., to transmit signals, voice and sounds at a distance, either by acoustic waves or by electromagnetic waves : en fr
  • CA343769A - Pattern grading machine : en fr
  • US1968946A - Furnace for the production of metal sponge : en
  • DE601178C - Device for lifting the tool after the completion of a workpiece and for putting it back on at the beginning of the processing of the next on machines for grinding and polishing glass sheets : de en
  • DE601278C - Process for the production of colored patterns on fabrics : de en
  • FR768688A - Hand guard for cutting meat with a knife : en fr
  • CA343725A - Propeller : en fr
  • US1969166A - Process for making colloidal solutions of metals and of metallic compounds in polyalcohols and product obtained thereby : en
  • US1969367A - Pulp wood reclaimer : en
  • USRE19266E - parker : en
  • USD92991S - Design fob a shoe : en
  • GB414469A - Improvements in or relating to turning lathes : en
  • US1968832A - Surgical stocking heel construction : en
  • US1969140A - Paper machinery : en
  • US1969353A - Slidable seat for vehicles and the like : en
  • FR768426A - Improvements made to the anchors to repair the wooden sleepers of the railway tracks and tools for the installation of these anchors : en fr
  • US1968839A - Low voltage discharge tube : en
  • US1969078A - Suction boosting apparatus : en
  • US1969363A - Scale bearing : en
  • US1969629A - Adjustable clevis connecter for plows : en
  • CA343766A - Totalisator mechanism : en fr
  • US1969703A - Production of solid carbon dioxide : en
  • US1969094A - Fluid operated motor : en
  • US1969126A - Kiln furniture : en
  • US1969225A - Tire valve : en
  • US1969398A - Turntable : en
  • DE600854C - Safety valve : de en
  • CA343739A - Carboxylic acid : en fr
  • US1969560A - Automotive transmission : en
  • GB414478A - Improvements relating to spraying devices : en
  • USD92962S - Design foe a sound amplifying : en
  • FR768459A - Automatic binder : en fr
  • FR768547A - Hair waving device : en fr
  • US1969300A - Permanent hair waving apparatus : en
  • US1968807A - Hanger rod : en
  • US1968874A - Dry kiln : en
  • GB414606A - Improvements in or relating to lead alloys resistant to corrosion by acids : en
  • US1969522A - Universal balanced grade indicator : en
  • US1968813A - Apparatus for storing and dispensing products : en
  • US1969671A - Cervical tampon applier : en
  • US1969223A - Lock nut : en
  • US1968908A - Refrigeration : en
  • US1968900A - Marking machine : en
  • US1969518A - Measuring circuit : en
  • US1969608A - Process for the manufacture of oestrus hormone : en
  • GB414532A - Improved cable-handling means for electrically driven tractors : en
  • DE601271C - Device for the return of the over-propellant gases and the lye from the upper to the lower chamber of cellulose digesters : de en
  • DE601158C - Elastic shoe insert adjustable in width : de en
  • DE601149C - Cylinder drying machine : de en
  • FR768514A - Mount or balanced support for rapid rise : en fr
  • FR768729A - Method for regulating the combustion of certain solid fuels : en fr
  • DE601243C - Pulling device for a device for tearing open and picking up old trackless bedding : de en
  • DE601021C - Mobile braided laundry basket : de en
  • DE601115C - Device for the production and reverse transformation of multiple stichographic images : de en
  • US1969145A - Eyeglass construction : en
  • US1969084A - Traffic controlling system for railroads : en
  • AT138454B - Recoil gun. : de en
  • CA343690A - Lock nut threading system : en fr
  • US1969117A - Card dealer : en
  • US1969575A - High tension cut-out : en
  • US1969007A - Storage battery : en
  • US1969047A - Refining cracked gasoline : en
  • USD92941S - Design for a phonograph cabinet or : en
  • USD92993S - Design fok lace : en
  • US1969088A - Vehicle tire : en
  • US1969572A - Pipe welding clamp : en
  • DE601132C - Dissolution country : de en
  • DE601224C - Process for the preparation of butadiene : de en
  • FR768549A - Combination rest mattress : en fr
  • FR768509A - Sand jet molding machine : en fr
  • GB414728A - Improvements in and relating to tools for grinding or honing cylindrical bores : en
  • DE601217C - Cord powered, sparking toy : de en
  • FR768558A - Improvements to film cameras : en fr
  • FR768662A - Improvements to rectifiers : en fr
  • DE601001C - Arrangement for swinging around a horizontal bolt, appropriately independently rotatable double wheels : de en
  • DE601117C - Condenser speakers : de en
  • DE601248C - Process for the protection of corrosive materials by painting : de en
  • FR768559A - Process for manufacturing magnesia from dolomite : en fr
  • AT138527B - Light stabilizers. : de en
  • FR768464A - Turbine with two rotors rotating in opposite directions, traversed by steam in the radial direction : en fr
  • GB414543A - An improved smokers' tobacco pipe : en
  • FR768502A - : fr
  • GB414601A - Improvements in or relating to suction cleaners : en
  • FR768676A - Improvements made to applicable means, in particular to fight fires and destroy harmful gases : en fr
  • CA343828A - Bituminous pavement : en fr
  • DE601052C - Synchronous reaction machine with stand and runner made of laminated sheet metal : de en
  • CA343662A - Sausage casing : en fr
  • GB414427A - Improved commode or lavatory : en
  • GB414446A - Process for the production of azo dyestuffs : en
  • US1969058A - Signaling system for railroads : en
  • US1969459A - Lamp voltage control device : en
  • US1969492A - Pressure temperature method and apparatus for the control of heating : en
  • DE601013C - Current transformer for electrical differential protection : de en
  • DE601145C - Method for monitoring earth fault extinguishing devices in high-voltage networks : de en
  • FR768623A - Balanced control device with automatic shutdown for the remote control and possibly of several points, of curtains, stage curtains, stage sets and similar applications : en fr
  • CA343701A - Carbureter : en fr
  • US1969647A - Contour copying machine : en
  • GB414449A - Improvements in electric lamp and like fittings : en
  • FR768594A - Extendable stand for camera and other uses : en fr
  • DE600983C - Process for the production of optically active mentholes : de en
  • FR768451A - Improvements to variable speed mechanisms : en fr
  • US1968841A - Flux for silver-soldering stainless steel : en
  • US1969320A - Flash light : en
  • US1969280A - Propeller : en
  • US1969295A - Radiator flushing valve : en
  • US1969675A - Prepayment mechanism for gas and similar meters : en
  • DK49097C - Centrifuge for cleaning pulp and similar pulp. : da en
  • GB414684A - Process for the manufacture of azodyestuffs and intermediate products therefor : en
  • GB414583A - Improvements relating to tables : en
  • AU1395333A - Waterproofing composition : en
  • US1969178A - Laundry machine : en
  • US1969546A - Method and apparatus for showing uniformity of sheet formation in paper making machines : en
  • US1969438A - Tire bead and method of making tires : en
  • FR768409A - Improvements to burners for liquid fuels and pulverized or colloidal fuels : en fr
  • FR768478A - Device for games allowing to record and total the number of points obtained by the players and to distribute tokens or other objects according to this number of points : en fr
  • US1969273A - Method of treating articles of celluloid and the like : en
  • US1968855A - Coloring of textile materials : en
  • US1969401A - Coin-controlled dispensing machine : en
  • US1969613A - Automatic feed for driers : en
  • US1969331A - Deodorant stick : en
  • US1969216A - Anthraquinone-acridone derivatives and process of preparing the same : en
  • US1969349A - Swimming suit and method of making the same : en
  • US1969356A - Alkoxy-3-carboxy-diphenyl : en
  • US1968806A - Electromagnetic phonograph recorder : en
  • US1969502A - Process for treating hydrocarbon oils : en
  • US1969307A - Hosiery and the manufacture thereof : en
  • US1968987A - Combination electric clock and sign : en
  • US1969293A - Automatic timing switch for traffic signals : en
  • AU1407633A - Improvements in quick make and break electric switches : en
  • CA343756A - Can seaming machine : en fr
  • US1969014A - Adjustable joist framer : en
  • CA343700A - Railway car stop : en fr
  • GB414621A - Improvements in and relating to clothespins : en
  • GB414527A - Improvements in and relating to thermoplastic compositions : en
  • AU1321233A - Improvements inthe production of solid carbon dioxide : en
  • US1969189A - Sulphonation of beta-naphthylamine : en
  • US1969653A - Soffit clip : en
  • CA343794A - Hard metal alloy : en fr
  • CA343824A - Carton assembling mechanism : en fr
  • US1969375A - Rotary gate valve : en
  • CA343832A - Fuel feeding system : en fr
  • CA343848A - Ticket holder : en fr
  • US1969368A - Rotation mechanism for percussive tools : en
  • GB414571A - Improvements in valve jacking devices : en
  • US1969268A - Shoe polishing device : en
  • US1969707A - Paper of increased opacity : en
  • AT138526B - Arrangement for reducing the linear and non-linear distortions that occur when modulating high-frequency vibrations. : de en
  • CA343677A - Box strapping machine : en fr
  • CA343697A - Ball bearing : en fr
  • AT138538B - Roof tiles. : de en
  • CA343757A - Coal dispersion in oil : en fr
  • US1969642A - Luminescent electrical discharge device : en
  • US1968870A - Carburetor : en
  • US1969059A - Railway track circuit : en
  • US1968826A - Belt press : en
  • US1969042A - Massaging device : en
  • US1969669A - Make-up machine : en
  • US1969673A - Box for cosmetics and the like : en
  • US1969035A - Spur gear rotary machine : en
  • US1969468A - Preparation of halogenated fatty acid esters of cellulose : en
  • DE601062C - Device for the return of the bounce fluid to the bounce space in hydraulic sheet metal holders for sheet metal drawing presses : de en
  • CA343738A - Motor control system : en fr
  • US1969436A - Clutch mechanism for multiple gear constant mesh transmission : en
  • US1969708A - Control system for heat treating apparatus : en
  • AT138541B - Arrangement of storm clips for roofing made of asbestos-cement slate. : de en
  • AU1682134A - Improvements relating to duplicating apparatus : en
  • US1968911A - Waxing machine : en
  • DE601193C - Pneumatic loading device for tube dryer : de en
  • AU1376933A - An improved poison gas producer for destruction of rabbits andother vermin : en
  • FR768506A - Removable metal pool : en fr
  • US1968804A - Motor starting device : en
  • USD92949S - Design for a combined clock case : en
  • US1969501A - Apparatus for consuming finely divided fuel : en
  • US1969470A - Piston : en
  • USD92942S - Design fob a serving table : en
  • GB414635A - Application of rarefied gas tubes to automobile vehicles and the like : en
  • FR768727A - Pump for gaseous fluids : en fr
  • DE601054C - Electrolytic wound capacitor for direct current : de en
  • FR43742E - Improvements to lubrication devices : en fr
  • FR768632A - Process and apparatus for the halogenation of rubber and resulting product : en fr
  • AT138550B - Electric motor driven by alternating current with a gas and water-tight encapsulated primary coil. : de en
  • CA343758A - Rubber vulcanization : en fr
  • AT138539B - Velvet cutter with replaceable knife. : de en
  • CA343674A - Hair waving method : en fr
  • AU1264333A - Coach latches : en
  • US1969086A - Golf club : en
  • AT138498B - Process for the production of a practically salt, acid and gas-free distilled water for the purpose of preventing salt and slag deposits in the human body. : de en
  • CA343783A - Non-knocking benzine : en fr
  • DE601119C - Slip clamp for overhead lines : de en
  • CA343694A - Hairpin : en fr
  • US1968831A - Mechanism for controlling the admission of air to internal combustion oil engines : en
  • US1969210A - Dyestuff of the anthraquinoneacridone series and process of preparing the same : en
  • USD92959S - Design for a cabinet for an air con : en
  • DE601040C - Film pack housing : de en
  • US1969457A - Wheelbarrow structure : en
  • USRE19263E - Method and system foe ventilating : en
  • US1968862A - Air separator : en
  • US1969043A - Underfloor electrical distribution system and y fitting therefor : en
  • US1969147A - Musical instrument : en
  • US1969632A - Weighing scale : en
  • USD92955S - Design for a curtain : en
  • CA343664A - Bottle corking lever : en fr
  • US1969080A - Liquid fuel heating system : en
  • US1969587A - Electrical control system : en
  • US1969065A - Relay : en
  • US1969212A - Pneumatic and electric connecter for milking machines : en
  • US1969243A - Photographic developer and method of developing : en
  • DE601154C - Process for drying compressed gas mixtures that are to be separated by liquefaction : de en
  • US1969386A - Cocktail shaker : en
  • US1969143A - Sound recording apparatus : en
  • US1969200A - Wing structure : en
  • US1969625A - Folding box : en
  • US1969241A - Motor vehicle clock : en
  • AT138518B - Radio receiver with selective automatic intensity control. : de en
  • AT138548B - Slip clutch. : de en
  • US1968883A - Rubber composition : en
  • US1969175A - Syringe nozzle : en
  • US1969340A - Mucin solvent agent : en
  • US1968924A - Casement window screen : en
  • US1969119A - Breakwater : en
  • DE601112C - Railway carriage pusher : de en
  • DK49106C - METHOD OF MANUFACTURING METALS OF METAL COMPOUNDS BY DECOMPOSING THESE IN ELECTRIC ARC. : da en
  • FR43708E - Improvements to wires : en fr
  • GB414615A - Improvements in or relating to hydro-electric steering apparatus for ships : en
  • US1969525A - Machine for working glass : en
  • US1969520A - Electric motor : en
  • AT138524B - Gain control arrangement. : de en
  • DE601098C - Method for monitoring the coordination of earth fault extinguishing devices : de en
  • FR768401A - Process for the agglomeration of all textile fibers or manufacturing waste with a rubbery product or similar product : en fr
  • FR768419A - lead clip, metallic and elastic : en fr
  • US1969586A - Hand cigarette making device : en
  • US1968836A - System of and apparatus for visually interpreting the operating of a control mechanism : en
  • US1969662A - Typographical casting machine : en
  • US1968894A - Combined typewriting and computing : en
  • US1969029A - Process of constructing a lens mounting : en
  • US1969160A - Banding machine : en
  • US1969163A - Control means for gas burners : en
  • US1969008A - Machinery packing : en
  • US1969115A - Stretching tool : en
  • US1969310A - Turntable for radio chassis and the like : en
  • US1969503A - Bar metering system : en
  • USPP101P - Strawberry : en
  • CA343670A - Molten pulverized body projecting apparatus : en fr
  • US1968811A - Tire chain : en
  • US1969350A - Automobile lock for gear shift levers : en
  • US1969373A - Boiler drum and tube extension : en
  • US1969441A - Cap for cap spinning machines : en
  • US1969434A - Automobile shipping car : en
  • US1969705A - Ferrous alloy : en
  • CA343682A - Alcohol recovery installation : en fr
  • AT138458B - Impact fuse. : de en
  • DE601077C - Ash removal device for zone grids : de en
  • AT138533B - Device for aligning and sealing composite windows and doors. : de en
  • DE601218C - Process for the production of insulating materials using light magnesium carbonate : de en
  • DE601266C - Expansion switch : de en
  • FR768447A - Improvements to spark plugs for engines : en fr
  • GB414525A - Improvements in and relating to constructional elements for walls, floors, ceilings and partitions of buildings and other structures : en
  • DE601095C - Fountain pen : de en
  • USD92965S - Design foe an automobile light : en
  • US1969154A - Dampening device for lithographic offset presses and the like : en
  • CA343710A - Reflecting and diffusing sign : en fr
  • US1969591A - Organ pipe : en
  • CA343746A - Degreasing apparatus : en fr
  • CA343851A - Building : en fr
  • US1968845A - Process for producing activated carbon : en
  • US1968896A - Retort oven : en
  • US1969155A - Dampening mechanism for lithographic offset presses and the like : en
  • US1969032A - Ironing board : en
  • US1969446A - Photographic emulsion containing pseudo-cyanine dyes : en
  • US1969684A - Ripper : en
  • AU1406233A - Improved composition or mixture forthe making of leavened bread andthe like : en
  • USD92950S - Design for a combined clock case : en
  • US1969412A - Safe device : en
  • US1969576A - Electric switch operating mechanism : en
  • USD92980S - Design fob a coffee making appa : en
  • DE601043C - Sharpener for lead and colored pencil leads, especially for lead holders : de en
  • US1969415A - Rear view mirror for motor vehicles : en
  • CA343712A - Rail end reforming method : en fr
  • USD92979S - Design for a cabinet for an air con : en
  • FR768449A - Car headlight : en fr
  • GB414574A - A catalytic process for the manufacture of nuclear substituted aromatic amines : en
  • US1969289A - Automatic speed change power transmission apparatus : en
  • US1969596A - Margin stop for typewriting machines : en
  • USD92982S - Design fok a bukial vault : en
  • AU1684934A - Improvements in advertising and sign displaying devices : en
  • GB414498A - Improvements in or relating to fireboxes and staybolts therefor : en
  • GB414754A - Device for regulating the voltage in alternating current lines : en
  • DE601213C - Receiving device for the remote display of measured quantities according to the pulse frequency method : de en
  • DK49082C - Receiver or Transmitter for Use in Submarine Sound Transmission. : da en
  • GB414554A - Improvements in and relating to the walls of pipes and containers subjected to high temperatures : en
  • US1969116A - Signaling device : en
  • FR768651A - Improvements in the manufacture of complicated shaped plastic parts, motor vehicle steering wheels and others in particular : en fr
  • US1969346A - Electric condenser : en
  • CA343722A - Film change-over device : en fr
  • CA343773A - Tire : en fr
  • US1969452A - Material and process for making multicolor subtractive photographic prints : en
  • USD92975S - Design for a bottle or similar : en
  • US1969326A - Refrigerator temperature control : en
  • CA343680A - Therapeutic substance : en fr
  • DE601082C - Spring-loaded floor or insert for mattresses, pillows, upholstered furniture or the like. : de en
  • DE601247C - An electrical capacitor built into a cylindrical glass housing made up of two caps that are narrowed at their ends : de en
  • US1969045A - Multiple recorder : en
  • US1969176A - Washing machine : en
  • US1969362A - Sorting machine : en
  • US1969597A - Typewriting machine : en
  • AT138493B - Boots for sport, work and the street. : de en
  • US1969378A - Bowling pin : en
  • US1969610A - Window forming machine : en
  • FR768471A - Improvements to television and analog systems : en fr
  • CA343843A - Door : en fr
  • US1969172A - Cooling system for self-propelled vehicles : en
  • US1969376A - Harmonic converter circuit : en
  • US1968893A - Belt fastener : en
  • US1969354A - 3-carboxy-4-alkoxy-diphenyl and salts thereof : en
  • US1969258A - Holster holder : en
  • AT138525B - High frequency amplifier. : de en
  • AU1114033A - Vulcanization of rubber : en
  • AU1373233A - An improved racquet for tennis or like games : en
  • CA343829A - Dredge bucket : en fr
  • US1969706A - Method and apparatus for making composite sheet articles : en
  • US1969159A - Brake mechanism : en
  • USD92940S - Design for a door pull or sevhlar : en
  • IE13635L - Krypton and xenon : en
  • US1968912A - Process and apparatus for spinning artificial silk : en
  • US1969191A - Chest : en
  • US1969380A - Arrangement for reducing sag in antenne : en
  • AT138501B - 2Methods of telegraphing and telephoning electrical waves. : de en
  • AT138536B - Hollow stone roof. : de en
  • US1969697A - Surveying instrument : en
  • US1969406A - Steam boiler : en
  • US1969664A - Propeller hub : en
  • USD92967S - Design for an ice cream cone : en
  • CA343810A - Electrical communication system : en fr
  • AT138462B - Burners for liquid or powdered fuels. : de en
  • FR43737E - Dispensing device for liquid soap and other similar products : en fr
  • US1968935A - Rope fastener : en
  • US1968967A - Hosiery with elastic seam : en
  • US1969323A - Shaping machine : en
  • FR43730E - Method of fixing the tubes in their fitting : en fr
  • FR768508A - Reinforcement tape puncher for letters and similar documents : en fr
  • GB414504A - Improvements in cameras for colour photography : en
  • GB414535A - Improvements in or relating to the production of webs, films and the like from artificial masses capable of being rendered plastic by heat or by solvents : en
  • US1968954A - Insect trap : en
  • US1969556A - Flanged joint : en
  • AU161070B2 - Improvements in or relating to apparatus suitable for use in operating on shoe uppers : en
  • US1969279A - Pad for toy train tracks : en
  • CA343774A - Aircraft landing wheel : en fr
  • US1969580A - Food server : en
  • US1968942A - Friction shock absorbing mechanism : en
  • US1969611A - Blade sharpening device : en
  • DE600031C - Device consisting of individual chambers for cooling the welding point of pipes with inner insulation to be connected by welding : de en
  • DE600997C - Double cuff button, releasable like a push button : de en
  • AU1591134A - Oil burner worked bya steam jet sprayer : en
  • CA343696A - Guard rail fastener : en fr
  • DK49099C - Movement mechanism at Liquid Vending Machines. : da en
  • FR768423A - Elastic system for all types of seating and rest furniture : en fr
  • US1968838A - Wind indicator : en
  • US1968971A - Generating and battery charging system : en
  • US1969024A - Liquid meter : en
  • DE601073C - Procedure for eliminating interference noises in telecommunication cables caused by neighboring power lines : de en
  • US1969619A - Separator or classifier for ore pulp and the like : en
  • US1969641A - Screw cap for electric lamps : en
  • USD92972S - Design for a shoe : en
  • CA343752A - Lamp filament sorting machine : en fr
  • FR768664A - Billiard furniture : en fr
  • DE601256C - Curved pipes and channels : de en
  • US1969070A - Storage battery : en
  • USPP100P - Avocado : en
  • FR768700A - Frame for toiletry bags, kits and similar items : en fr
  • FR768492A - Gear shift mechanism with any adjustable transmission ratio : en fr
  • FR768573A - Self-rotating chalk holder, on billiard cue processes : en fr
  • GB414666A - Improvements in gas meters : en
  • FR768590A - Equipment ensuring the protection of rail traffic : en fr
  • FR768614A - Electric weaving device with combined operation serving as a pulling mechanism and a machine for stitching and copying the boxes, with reading and correction board : en fr
  • GB414730A - Improvements in or relating to television : en
  • FR768656A - Process for decorating metals : en fr
  • FR768686A - Process improvements for the treatment of acid solutions : en fr
  • GB414537A - Improvements in lawn mower sharpeners : en
  • CA343808A - Tarnish resisting silver : en fr
  • GB414443A - Improvements in machines for grinding valves of the mushroom or poppet type : en
  • US1969668A - Rectifier : en
  • FR768415A - Improvements to television devices : en fr
  • FR768557A - Improvements to photographic magnifiers : en fr
  • FR768599A - Oil-insulated transformer : en fr
  • GB414423A - Improvements in or relating to telephone system signalling arrangements : en
  • DE601011C - Radio aerial : de en
  • DE601191C - Directional lock for a safe deposit box with adjustable tumblers : de en
  • FR768546A - Method and device for taking and projecting relief views : en fr
  • GB414665A - Process for the manufacture of condensation products : en
  • GB414625A - Method for the production of bust supports from knitted fabric : en
  • GB414757A - Improvements in and relating to shelf supports : en
  • GB415026A - Improvements in and relating to blasting cartridges and to devices for use therewith : en
  • FR768468A - High manganese steel construction components, and process for their manufacture : en fr
  • FR768654A - Improvements to electrical measuring devices : en fr
  • FR768716A - Improvements to tanks that can be used in particular on board ships to transport wine and similar liquids : en fr
  • FR768740A - Brake Drum Hub for Vehicle Wheel : en fr
  • DE601081C - Make-up pen container with hinged lid that serves as a sliding button : de en
  • FR768610A - Coat hanger : en fr
  • GB414484A - Improvements relating to the manufacture of articles from paper ribbons : en
  • DE601147C - Pulverized coal firing : de en
  • FR768448A - Place guard device : en fr
  • GB415091A - Improvements relating to apparatus for charging paste-like substances into containers, e.g. jars, pots and the like : en
  • CA343676A - Filament manufacture : en fr
  • CA343770A - Necktie : en fr
  • US1969048A - Hand truck : en
  • US1969453A - Packaging method : en
  • US1969486A - Shaker : en
  • US1969531A - Pipe coupling : en
  • US1969428A - Envelope : en
  • DE601123C - Hydraulic pressing device for roller bearings or the like on rubber processing machines : de en
  • FR768521A - Collector : en fr
  • DE601156C - Air gas generator for low-viscosity fuels : de en
  • US1968952A - Antiskid device : en
  • USD92943S - Design for a souvenir medal : en
  • FR768649A - Further development of multi-pole, quick-breaking, rocker-type electrical switches : en fr
  • FR768655A - Improvements in the detection of temperature variations : en fr
  • GB415029A - Improvements in or relating to clutches : en
  • FR768486A - Rolling mill ironer for wide rolled strips : en fr
  • GB414431A - Improvements in and relating to screening, sifting and grading apparatus : en
  • US1968854A - Gaseous electric discharge device : en
  • US1969232A - Apparatus for treating web material : en
  • FR768671A - Improvements to projection devices, foci, and in particular automatic foci with mechanical shoveling : en fr
  • US1969630A - Electrolytic condenser : en
  • US1969332A - Method of forming records in record cards or the like, particularly for use in statistical or like machines : en
  • US1969499A - Universal detachable watthour meter mounting : en
  • DE601200C - Cattle wagons, especially for railways : de en
  • US1969600A - Method of saccharifying cellulosecontaining substances, such as wood, by means of mineral acids : en
  • AU1365933A - Improvements in or relating to suction orso-called vacuum cleaners : en
  • US1969464A - Dyeing and printing of acetate silk : en
  • US1969505A - Machine for marking shoe uppers : en
  • US1968910A - Drying apparatus and method : en
  • US1969467A - News and advertising projection system : en
  • US1969548A - Hose clamp or connection and method of clamping the end of a hose : en
  • DE601250C - Hollow roof tiles : de en
  • FR768575A - Carriage advance mechanism or the like for machine tools, in particular for machines for grinding flat surfaces : en fr
  • US1969381A - Method and apparatus for treating gases : en
  • US1969113A - Automatic control system for warm air furnaces : en
  • US1969138A - Fruit and vegetable sizer : en
  • US1969427A - Dual back water valve : en
  • US1969417A - Distributing valve gear for steam engines : en
  • US1969657A - Method of and means for reducing electrical disturbances : en
  • US1969674A - Scrubbing and mopping device : en
  • AT138505B - Low frequency amplifier. : de en
  • US1969089A - Light signal for railroads : en
  • GB414477A - Improvements in and relating to safety razors : en
  • FR768467A - Printing press : en fr
  • US1969352A - Sweat band for hats : en
  • US1969561A - Transmission mechanism : en
  • FR43726E - Improvements to carburettors for internal combustion engines : en fr
  • FR768690A - Portable device for the reduction of fractures and dislocations without anesthesia and without aids : en fr
  • GB414703A - Improvements in and relating to resinous compositions : en
  • US1969158A - Control instrument : en
  • US1969036A - Floor treatment device : en
  • US1969107A - Display stand : en
  • US1969469A - Photographic color process : en
  • US1969601A - Potato rack : en
  • US1969550A - Electric welding system : en
  • GB414467A - Method and machine for electrically connecting the arms of the foot of knitting machine needles and the like : en
  • US1968902A - Chuck construction for rock drills : en
  • US1969056A - Automatic train control system : en
  • USD92990S - Design fob a ribbon ob a similar : en
  • AU1368533A - Improvements in barrel door closures in laundry washing machines : en
  • CA343689A - Turbine chamber charging apparatus : en fr
  • CA343764A - Laminated glass edge sealing apparatus : en fr
  • CA343849A - Tobacco pipe : en fr
  • US1969493A - Fan cooled electric motor : en
  • DK49085C - Curved carbon slide connector. : da en
  • US1969196A - Vest pocket flash light : en
  • US1969222A - Fuse for aeroplane defense projectiles : en
  • US1969109A - Combination bale tie and holder : en
  • US1969645A - Ball cock or valve : en
  • AU1648234A - Improvements in tennis racquets : en
  • DK49100C - Ship steam engine system consisting of a piston engine and a low pressure turbine. : da en
  • GB414620A - Improvements in luminous electric discharge tubes : en
  • FR768618A - Coating product for welding rods and electrodes and rods and electrodes coated with said product : en fr
  • FR768669A - Improvements to granulated material couplings : en fr
  • US1969199A - Pack carrier : en
  • FR768739A - Advanced lighter : en fr
  • US1968957A - Magnetically operated valve : en
  • US1968986A - Car washer : en
  • FR768454A - Window envelope : en fr
  • FR768499A - Process for the manufacture of artificial silk and similar products from cellulose esters : en fr
  • FR768585A - Production of titaniferous precipitates : en fr
  • DE601220C - Process for reinforcing individual parts of wooden objects, in particular batons for looms, and baton manufactured according to this process : de en
  • FR768666A - Improvements to modulated electric oscillation transmitters : en fr
  • GB414669A - Improvements in furnace grates : en
  • DE601034C - Device for regulating the delivery rate of a pump, in particular a fuel injection pump : de en
  • GB414508A - Improvements relating to arrangements for testing and adjusting selecting switches for automatic telephone and like selective systems : en
  • FR768726A - Air cooling device for internal combustion engines : en fr
  • GB414550A - Improvements in or relating to leading-in insulators for metal vapour rectifiers : en
  • FR768581A - Improvements to explosion turbines : en fr
  • DE600959C - Pencil sharpener : de en
  • GB414441A - Improvements in or relating to wireless receiving apparatus : en
  • DE601212C - Shift lever assembly on motor vehicles : de en
  • GB414743A - Press for artificial resins : en
  • DE601244C - Route block system : de en
  • US1969488A - Circuit controller : en
  • US1969583A - Electric ironer and dampener : en
  • USRE19264E - Corset and the like : en
  • US1969694A - Process of refining oils : en
  • AT138471B - Process for the manufacture of footwear. : de en
  • CA343735A - Fan : en fr
  • CA343743A - Corrosion prevention : en fr
  • FR768463A - Loudspeaker enhancements : en fr
  • FR768577A - platinum and hydrogen electrode, particularly intended for continuous measurement of the ph of liquids : en fr
  • CA343740A - Carboxylic acid : en fr
  • AT138478B - Air- and moisture-permeable laundry item and process for its manufacture. : de en
  • US1969050A - Sounding toy : en
  • US1969181A - Steam circulation heating plant : en
  • US1969335A - Signaling system control : en
  • US1969277A - Glass composition for electrical discharge devices : en
  • US1968998A - Corn combine : en
  • US1968840A - Automatic slitting fixture for piston rings : en
  • CA343721A - Scalp steamer : en fr
  • FR43732E - Improvement in fungicide and insecticide preparations for plants : en fr
  • AT138523B - Replacement filament lightbulb. : de en
  • US1968889A - Radio apparatus : en
  • US1968980A - Rotary steel plate printing machine : en
  • US1969053A - Interlocking system for railroads : en
  • US1969683A - Change-speed device : en
  • CA343668A - Thread and rubber cord : en fr
  • US1969173A - Dumping vehicle : en
  • AT138510B - Lighting device for instruments for examining body cavities. : de en
  • CA343732A - Camera : en fr
  • US1969389A - Take-off for grid trimming presses : en
  • US1969651A - Machine with oscillating rolling disks : en
  • US1969182A - Well pump : en
  • US1969274A - Typewriting machine : en
  • US1969604A - Safety razor : en
  • AU1412033A - Improvements in or relating to apparatus for sinuously looping sheet material : en
  • US1968885A - Dice throwing apparatus : en
  • US1969001A - geier : en
  • US1968876A - Composition of matter suitable for use in flotation : en
  • US1969019A - Alloy : en
  • US1969682A - Ignition controller : en
  • US1969102A - Refrigerant control for refrigerating systems : en
  • USD92948S - Design for an electric heater : en
  • US1969022A - Apparatus for the clarification of sewage liquid : en
  • US1969365A - Attachment for scale platforms : en
  • US1968994A - Process of bleaching wood pulps and an apparatus for carrying out said process : en
  • CA343823A - Textile assisting agent : en fr
  • US1969384A - Cigarette package : en
  • USD92964S - Design for a combined casket lug : en
  • GB414592A - Improvements relating to automatic controlling devices for the control surfaces of aircraft or watercraft : en
  • DE601130C - Dust-proof sewing machine cabinet : de en
  • US1969219A - Workholder for lens blanks : en
  • US1969496A - Electric discharge device : en
  • US1969593A - Bunch building mechanism : en
  • US1969054A - Electrolytic method and apparatus : en
  • DE601079C - Process for the production of centrifugally cast hollow bodies : de en
  • DE601211C - Hydraulic press working with several pressure levels : de en
  • DE601055C - Process for digesting chromium, molybdenum, tungsten or vanadium ores or other goods containing these elements : de en
  • DE601198C - DEVICE FOR RECOVERING FEED WATER CONDENSATE AND HEAT FROM DUSTY VAPOR : de en
  • US1969396A - Production of metallic articles : en
  • US1969644A - Aeration of fluids : en
  • DE601010C - Additional coin payment device with rotatable coin container for telephone systems : de en
  • FR768604A - Process for converting keto-methylenic compounds into keto-amino compounds : en fr
  • GB414544A - Mechanism for automatically adjusting the operation of steam pressure regulators in steam heating systems : en
  • US1969348A - Release valve for air brakes : en
  • US1969426A - Tool and extractor : en
  • USD92969S - Design fob a wall clock : en
  • US1969511A - Apparatus for automatically feeding bulbs : en
  • US1969345A - Plug connecter : en
  • DE601204C - Arrangement of surge arresters formed by protective spark gaps on overhead lines : de en
  • US1968808A - Dough feeding appliance and the like : en
  • US1968815A - Apparatus for fusing and spraying substances : en
  • US1969709A - Siccative composition : en
  • US1969067A - Method of and apparatus for making belts : en
  • US1969087A - Locking key for car brakes : en
  • US1969187A - Heat balancing system : en
  • CA343845A - Electric station : en fr
  • US1969031A - Housing for a vertical combustion power engine : en
  • US1969206A - Device for giving luminous signals, particularly adapted for aviation purposes : en
  • US1969027A - Lip stick holder or the like : en
  • US1969481A - Manufacture of ground glass surface on film support : en
  • FR43729E - Improvements to audible warning devices : en fr
  • US1968962A - Hammer operating with a variation in atmospheric pressure : en
  • US1969270A - Fastener : en
  • CA343726A - Pure carbonic acid : en fr
  • FR43736E - Mechanical grouping device for objects to be stacked : en fr
  • CA343671A - Gasoline lamp generator : en fr
  • AT138472B - Processes and arrangements for the production of guide films for the dubbing of image recordings. : de en
  • DE601257C - Box camera for photographic purposes : de en
  • FR768455A - How to mount rungs for wooden ladders : en fr
  • FR768551A - Process for the preservation of surfaces : en fr
  • US1968991A - Manufacture of transparent sheets or coatings : en
  • GB414690A - An improved means for effecting ram-adjustment in presses : en
  • CA343841A - Fibrous material processing : en fr
  • CA343685A - Kitchen cabinet : en fr
  • AT138495B - Device for the reproduction of cinema films. : de en
  • AT138544B - Valve control for piston engines. : de en
  • FR768789A - Apparatus for fabric manufacturing : en fr
  • GB414497A - Improvements in or relating to the manufacture of caustic alkalis : en
  • GB414562A - Improvements in holders for match packages : en
  • GB414492A - Improvements in or relating to packaging machines : en
  • GB414586A - Improvements in tea rolling or like machines : en
  • US1969052A - Direction indicator : en
  • US1969424A - Organ : en
  • FR768709A - Fixing and assembly system for glass plates : en fr
  • GB414463A - Improvements in wardrobe trunks : en
  • FR768750A - Light production device : en fr
  • FR768513A - Solid injection device for internal combustion machines : en fr
  • FR768583A - Methods and apparatus for constructing or changing railway tracks : en fr
  • DE601068C - Process for the production of sodium oxalate with simultaneous production of ammonium chloride : de en
  • DE601072C - Alloy for objects with high electrical resistance, low temperature coefficient and good processability : de en
  • GB414588A - Improvements in or relating to multiple variable condensers : en
  • GB414711A - Improvements in and relating to metallic diaphragms : en
  • GB414639A - Improvements in and relating to a process for hardening wood which has been rendered easily flexible : en
  • GB414698A - Means or apparatus for supplying air or other gases or liquids to the roots of plants or other vegetation : en
  • FR768565A - Method and devices for repeating a track signal on a moving train : en fr
  • USRE19262E - Combined pedal and foot best : en
  • US1969287A - Shutter construction : en
  • US1969582A - Buckle : en
  • FR768625A - Phonographic disc recording and hearing apparatus : en fr
  • DK49086C - Device for preventing the occurrence of damage by radiations emanating from earth currents. : da en
  • FR768407A - Tool for cleaning and stripping surfaces : en fr
  • GB414708A - Improvements in the disposition of armament on warships : en
  • GB414710A - Improvements in and relating to head lamps for vehicles : en
  • AU1401733A - Convertible seat and dress satchel : en
  • US1968819A - Dyeing of textile materials : en
  • US1968982A - Internal combustion engine : en
  • US1969057A - Hinge : en
  • US1969251A - Pile point : en
  • US1969677A - Safety holder for tools : en
  • US1969339A - Quartz crystal mounting : en
  • CA343711A - Rail joint repairing method : en fr
  • US1968950A - Cover for culinary utensils : en
  • US1969246A - Priming composition : en
  • US1969253A - Combined brush and paste-tube device : en
  • DE601143C - Pack specially designed for cigarettes : de en
  • FR768435A - Improvements in pigment preparation processes : en fr
  • USD92945S - Design fob an oil dispenser : en
  • DE601089C - Fastening of sealing rings in shut-off devices : de en
  • US1968878A - Dyeing intermediate and process for : en
  • US1969037A - High frequency wave signaling : en
  • FR43717E - Improvements made in the manufacture of reinforced or non-reinforced pipes : en fr
  • FR768634A - Elastic spring coupling for controlling looms : en fr
  • FR768684A - Improvements to Automatic Gain Control Arrangements for Carrier Wave Receiving Systems : en fr
  • DE601039C - Rotating sieve drum for dewatering fiber materials suspended in water, e.g. B. wood pulp, pulp and. like : de en
  • US1969151A - Refrigerated truck : en
  • GB414577A - Improved method of hot working and more particularly of melting and casting, magnesium, magnesium waste, and magnesium alloys : en
  • DE601268C - Process for the production of durable solutions of glyceric acid calcium suitable for injection : de en
  • FR768641A - Improvements to electric pocket lamps : en fr
  • CA343744A - Fungicide : en fr
  • AU1279533A - Improvements in or relating to radio receivers : en
  • AT138491B - Corset. : de en
  • AU1411033A - Oil extracting press : en
  • CA343705A - Electric rectifier : en fr
  • AU1511033A - Improvements in apparatus for delivering material in measured quantities : en
  • CA343798A - Separable fastener : en fr
  • DK49104C - Procedure for Increasing the Amount of the Electron-Giving Substance in Cathodes Coated with Compounds of Baryum or Strontium or Both Substances. : da en
  • US1969655A - Reaction chamber : en
  • US1968863A - Adjustable arbor support : en
  • US1969069A - Coin controlled mechanism : en
  • US1969128A - Inflated ball and method of making same : en
  • US1968903A - Insulated electrical conductor and method of making the same : en
  • US1968857A - Pipe cutter : en
  • US1969061A - Cobalt titanate and method of making same : en
  • DE601086C - Process for the production of molten or sintered metal oxides : de en
  • AT138481B - Money counting machine. : de en
  • AU1365033A - Improvements relating to push-pull amplifier arrangements : en
  • AT138542B - Handbag closure. : de en
  • US1969342A - Fenestrated endoscopic instrument : en
  • US1968833A - Towel servidor : en
  • US1968988A - Plate-fulcrum railroad track scale : en
  • CA343818A - Sintering machine pallet : en fr
  • US1968953A - Insect trap : en
  • US1968985A - Vacuum controlled unloading valve : en
  • GB414678A - Shafts of golf and like clubs : en
  • CA343834A - Shoe sewing machine : en fr
  • FR43725E - Method and installation for the treatment of household waste : en fr
  • GB414513A - Improvements in nails or spikes : en
  • US1968958A - Process for preparing sand molds : en
  • US1968964A - Normal ferrous salt of 2-nitronaphthalene-4.8-disulphonic acid : en
  • US1969190A - Extendible top structure for tables : en
  • DE601097C - Arrangement for connecting housing parts, especially for telephones : de en
  • US1969687A - Chuck : en
  • US1969700A - Sheet leveling mechanism : en
  • DE601114C - Transmission method for picture telegraphy and television : de en
  • DE601227C - Impedance response element for distance relay : de en
  • US1969132A - Terminal for electric heating appliances : en
  • US1969605A - Wax thread sewing machine : en
  • AT138485B - Method and device for the production of hollow bodies from difficult-to-melt material. : de en
  • CA343709A - Aeroplane take-off device : en fr
  • DE601074C - Switch with arc extinguishing by flowing compressed gas : de en
  • DE601272C - Device for feeding fire-extinguishing foam into a container for flammable liquids : de en
  • US1968972A - thieme : en
  • US1969121A - Gas generator : en
  • GB414435A - Process for the production of lacquers containing artificial resins and of materials for making such lacquers : en
  • CA343801A - Waxed wrapper : en fr
  • AU1250633A - Improvements in electric rotary machine systems : en
  • US1968873A - Starting and stopping mechanism : en
  • CA343853A - Radio interference eliminating apparatus : en fr
  • US1969074A - Roofing and siding element and method of producing contrasting effects thereon : en
  • DE601208C - Glasshouse : de en
  • GB414539A - Improvements in mileage counters for vehicles : en
  • GB415092A - Improvements in electrical power systems for mechanically propelled vehicles and other purposes : en
  • CA343717A - Cadmium extraction : en fr
  • US1969637A - Ophthalmic mounting : en
  • DE601075C - Ventilation device for electrical machines : de en
  • US1969240A - Thermostatic device : en
  • CA343763A - Filing card support : en fr
  • FR43711E - Motor vehicle : en fr
  • FR768469A - Steel alloys with high resistance to elongation : en fr
  • FR43748E - Machine for casting stereotype plates and galvanic supports : en fr
  • FR768588A - Blower, intended in particular for vacuum cleaners : en fr
  • DE601241C - Procedure for avoiding high stress levels when hardening armor plates on one side : de en
  • DE601046C - Electric roller, in particular conveyor roller, with a coating made of fiber, leather or the like that increases the friction fit. : de en
  • GB414462A - A means for absorbing expansion in kiln dried tongued and grooved wood strip flooring : en
  • GB414657A - Magnetic alloys : en
  • FR768719A - On and off switch for all electric currents and can be used in particular for motor vehicles : en fr
  • GB414755A - Improvements in holders or supports for pipes, tubes, cylindrical rods and the like : en
  • FR768482A - Clasp for purses, purses and similar items : en fr
  • FR768622A - Synchronized contactor : en fr
  • US1969205A - Material discharge gun : en
  • US1969510A - Clothes drier : en
  • AU1501133A - Improvements in or relating to apparatus for cooling liquids : en
  • DE601067C - Process for utilizing the heat of roast gases : de en
  • FR768744A - Improvements made to machines for setting perforated tiles in cement, plaster, etc. : en fr
  • US1969643A - Beer cooling and dispensing apparatus : en
  • US1968909A - Refrigeration : en
  • US1969500A - Locomotive eccentric crank and crank pin construction : en
  • FR43735E - Device ensuring the safety of railway convoys : en fr
  • FR768484A - Method and control devices for driving compressed air chambers : en fr
  • GB414611A - Improvements in luminous sources formed by electric discharge tubes : en
  • US1969554A - Automatic alarm switch : en
  • US1968852A - All-phase motor : en
  • US1969559A - Acoustic device : en
  • US1969336A - Oven control : en
  • CA343672A - Coal treating solution : en fr
  • AT138476B - Fine tuning device for string instruments. : de en
  • DE601262C - Process for the production of ester-like high molecular weight products : de en
  • GB414737A - Improvements in and relating to floors and roofs for buildings : en
  • US1969040A - Drill bit : en
  • DE601107C - Butt connection for railroad tracks by means of a wedge-shaped insert : de en
  • US1969263A - Electric switch : en
  • CA343805A - Glass drawing apparatus : en fr
  • GB414461A - An improved process for producing cellulose esters : en
  • US1969409A - Bottle shipping crate : en
  • FR768724A - Motor vehicle : en fr
  • DE600931C - Device for limiting conversation time, especially for coin-operated telephones : de en
  • GB414695A - Improvements in or relating to machines for coating parts of or for boots or shoes or the like : en
  • US1969141A - Deep well pressure gauge : en
  • DE601187C - Brake circuit for asynchronous three-phase motors in hoists that work with different loads : de en
  • DK49093C - Spinning top. : da en
  • FR768742A - Dust sensor device : en fr
  • GB414479A - A machine for inserting pins or spikes in sticks or rods : en
  • DE571249C - Portable band saw : de en
  • DE590535C - Procedure for moving the flash light while it is burning : de en
  • GB414515A - Improvements in electric connecting devices of the plug and socket type : en
  • US1969528A - Radio control device : en
  • US1969702A - High electro-conductive copper alloy and process for making the same : en
  • GB415046A - Improvements in and relating to the spinning of artificial silk threads : en
  • CA343728A - Shuttlecock : en fr
  • DE601144C - Switch with arc extinguishing by blowing with high tension gases or fumes : de en
  • DE601214C - Sound receiving device : de en
  • DE601252C - Device for continuously sprinkling fine-grained elastic materials into molds : de en
  • GB414559A - Improvements in gas meters of the oscillating bell type : en
  • GB414567A - Improvements in and relating to machines for stretching and rolling crepe paper : en
  • GB414661A - Improvements relating to receptacles for metal sheets : en
  • GB414736A - Improvements in apparatus for disintegrating and mixing clay and the like : en
  • GB415045A - Improvements relating to machines for cutting potatoes applicable to analogous purposes : en
  • AT138477B - Zipper. : de en
  • DE601129C - Thread cutting machine with rotatable, intermittently switched clamping table : de en
  • US1969538A - Electric translating system : en
  • US1969229A - Apparatus for forming concrete structures : en
  • DE600144C - Method and device for achieving intimate contact between solid substances and gases : de en
  • GB414713A - Improvements in or relating to electric cables : en
  • US1969072A - Means for measuring and indicating temperature from a distance : en
  • FR768737A - Device for raising, lowering and oscillating a diving bowl used to close the dip tube in tar condensers : en fr
  • DK49091C - Floor bushing for Central heating pipes and the like. : da en
  • DE601118C - Two screw bolts, which can be screwed against each other by a turnbuckle-like nut, are used to connect electrical lines, the ends of which are firmly connected to the screw bolts : de en
  • US1968810A - Hub brake : en
  • DE601203C - Resistance with a high negative temperature coefficient : de en
  • FR768736A - Method and device for transmitting motion from a mechanical driving element to a driven element by means of elastic members : en fr
  • US1968931A - Automobile headlight : en
  • DE601235C - Method and device for cutting wire into pieces of a certain length : de en
  • FR768434A - Absorption refrigerators with pressure balancing gas : en fr
  • GB414438A - An attachment for supporting a small electric lamp on one or more fingers, the thumb, or wrist of the users hand : en
  • US1968960A - Heat treatment of manganese hard steel objects : en
  • DE601269C - Process for the production of preparations of the active ingredient in the pineal gland which inhibits oestrus : de en
  • FR768562A - Machine for continuously twisting profiled metal wires : en fr
  • US1969379A - Apparatus for making piezo-electric bodies : en
  • GB414573A - Manufacture of alkali salts of naphthalene-1-sulphonic acid : en
  • US1969026A - Fastening device : en
  • US1969041A - Brake lining composition : en
  • US1969098A - Metal-containing nondyeing thioderivative from phenols and process of preparing the same : en
  • US1969275A - Method of forming rubber articles : en
  • US1969692A - Telegraph printing system : en
  • US1969701A - Waterproofing and tanning composition and method of preparation : en
  • FR768528A - Improvements to cylinder heads for internal combustion engines : en fr
  • DE601047C - Conversion of alkali amides into safe, easy to dose form : de en
  • US1968999A - Stuffing box : en
  • FR768695A - Process for manufacturing processed cheese : en fr
  • GB414673A - Improvements in methods of operating vapour generators : en
  • FR768607A - Device allowing continuous methodical dissemination : en fr
  • US1969564A - Cooking stove : en
  • FR768712A - Gear shift mechanism : en fr
  • DE601162C - Method and device for compacting wood : de en
  • DE601127C - Hot water wax melter with wax press : de en
  • FR43740E - Dispensing device for knitting machine controls : en fr
  • GB414529A - Manufacture of anthraquinone dyestuffs : en
  • US1969198A - Parking device : en
  • US1969207A - Natural gasoline recovery : en
  • FR768591A - Turntable more particularly intended for domestic use : en fr
  • DE600981C - Process for the preparation of fibrous cellulose acetates : de en
  • FR768592A - : fr
  • FR768465A - Turbine with rotors rotating in opposite directions and traversed by steam in a radial direction, with unequal distribution of power : en fr
  • GB414658A - Improvements in or relating to machine guns : en
  • US1968805A - Automatic valve : en
  • US1968948A - Wind deflector : en
  • US1969101A - Manufacture of rubber articles : en
  • US1969165A - Exercising device : en
  • US1969130A - Truck : en
  • US1969494A - Unloading net for extractors : en
  • US1969581A - Apparatus for securing folded portions of packages : en
  • FR768616A - Improvements to circuit breakers : en fr
  • FR768647A - Method and device for modifying in flight the aerodynamic characteristics of propellers and rotary wings : en fr
  • GB414439A - Improvements in fasteners for stair carpets and the like : en
  • GB414512A - Improvements connected with mixing taps : en
  • GB414579A - Dies for cutting external screw threads : en
  • FR768475A - Automatic device for embroidery machines on the loom : en fr
  • GB414542A - Improvements in and connected with steam boilers : en
  • GB414709A - Improvements in fly screens : en
  • FR768687A - Reinforced concrete part system for floor beams and all applications : en fr
  • GB414451A - Improvements in and relating to line spacing mechanism for typewriters and like machines : en
  • GB414758A - Improvements in or relating to jigging conveyors : en
  • DK49088C - Procedure for Making Tone and Picture Films. : da en
  • DE601100C - Photographic roll film : de en
  • GB414519A - Type line composing and printing machines : en
  • GB414564A - Improved method of making cylindrical metal containers for gas under pressure : en
  • DE601131C - Cardboard container : de en
  • DE601164C - Furnace system for reducing ores and similar raw materials : de en
  • GB414473A - Improvements in and relating to boxes or frames, more particularly intended for advertising signs : en
  • FR768659A - Manufacturing process of cellular materials and resulting materials : en fr
  • GB414460A - An improved travelling case or container for hats, shoes and the like : en
  • DE601277C - Device for applying cutting patterns with several rulers indicating the outlines : de en
  • FR768553A - Improvements to the propellers and their adjustment mechanisms : en fr
  • GB414749A - Improvements in filters for liquids : en
  • CA343731A - Cemented tantalum carbide : en fr
  • FR768411A - Heavy oil combustion apparatus : en fr
  • US1969393A - Milling machine transmission and control : en
  • CA343850A - Hydraulic variable speed power transmission : en fr
  • AU1594034A - Improvements in electrical condensers : en
  • CA343777A - Plunger settle air combination : en fr
  • US1968918A - Air propeller : en
  • US1969049A - Folding machine : en
  • US1969371A - Fuel burner : en
  • FR768430A - Improvements to the folding mechanism of rotary printing machines : en fr
  • GB414576A - Improvements in finishing textiles : en
  • DE601042C - Filling device for liquids with two vertically displaceable tubes : de en
  • DE601175C - Switching and drive device for gradually moving advertising tape : de en
  • US1969616A - Wire splicer : en
  • US1969670A - Removal of wax from hydrocarbon oil : en
  • FR768567A - Metal steam discharge vessel : en fr
  • USD92978S - Design for a combination griddle : en
  • USD92992S - Design for a shoe : en
  • GB414575A - Improvements in or relating to x-ray apparatus : en
  • FR768660A - Variable adjustable capacitor for t device. s. f. and other applications : en fr
  • FR768718A - Sharpening device for safety razor blades : en fr
  • FR768696A - Variable pitch propeller and devices which can be used separately therein : en fr
  • FR768624A - Radio wave signaling system : en fr
  • US1969233A - Wheel mounting tool : en
  • DE601125C - Drive device for rewindable sound recording media : de en
  • DE601071C - Radially loaded counter-rotating turbine with steam supply or steam extraction within the counter-rotating part : de en
  • AT138457B - Tube with a device for spreading the contents. : de en
  • CA343790A - Basic alum : en fr
  • FR768701A - Operating method of internal combustion engines : en fr
  • DE601018C - Turbine drive for aircraft : de en
  • US1968973A - Remote control system : en
  • DE601064C - Methods and devices for rolling in pipes : de en
  • DE601207C - Flat weft knitting machine with gusset device : de en
  • FR768461A - Rear-view mirror device for vehicles, in particular for motor vehicles : en fr
  • DE601174C - Device for the production of single or multi-layer corrugated cardboard : de en
  • FR768721A - Totalizing points counter for billiards and other uses : en fr
  • GB414589A - Method of and apparatus for multi-colour printing : en
  • FR768488A - Eyeshadow bracelet : en fr
  • FR768615A - Box with handle : en fr
  • DE601150C - Office equipment for punching and stapling documents together using punched paper tongues : de en
  • DE601232C - Mixing device : de en
  • FR768511A - Railway signaling warning device : en fr
  • GB414569A - Improvements in vehicle lamps : en
  • DE601051C - Procedure for determining the location, etc. in ships, aircraft, etc. like : de en
  • DE601015C - Process for the production of double-walled glass containers : de en
  • AT138468B - Photographic lens shutter. : de en
  • US1969306A - Means for illuminating telephone dials and directories : en
  • US1969060A - Railway traffic controlling system : en
  • US1969509A - Safety razor : en
  • CA343729A - Electric gaseous discharge device : en fr
  • AT138530B - Junction connection in a bar network. : de en
  • US1968984A - Method and flux for autogenously welding magnesium and its alloys : en
  • DE601176C - Split rim with removable side flange : de en
  • FR768679A - Germination material : en fr
  • AT138467B - Line-up device for letter files. : de en
  • AT138486B - Device for connecting a photographic camera to your bag. : de en
  • AT138451B - Cartridge with electric ignition. : de en
  • DE601124C - Compression mold : de en
  • US1968869A - Electric switch : en
  • US1969620A - Rotary piston engine : en
  • US1969411A - Type bar cushion for typewriting machines : en
  • US1968892A - Mounting for rock drills : en
  • US1969395A - Collapsible paste tube : en
  • US1969291A - Artificial wood board and a process for manufacturing the same : en
  • US1968829A - Combined drawer pull and label holder : en
  • US1969704A - Acoustic device : en
  • US1968866A - Gauge : en
  • US1969473A - Light-filtering overcoating : en
  • US1968990A - Hydraulically indexed machine tool : en
  • FR768539A - Process for obtaining materials sensitive to light, by means of diazo derivatives : en fr
  • GB414637A - Improvements in or relating to cleaning machines : en
  • USD92958S - Design for a cabinet for an air con : en
  • DE601230C - Process for the production of tear-resistant and gas-tight tire air hoses : de en
  • DK49108C - Apparatus for surface treatment of a web of material with a liquid coating agent in a flotation process. : da en
  • US1969093A - Electrical apparatus : en
  • DE531126C - Method for sorting paper or the like in web or sheet form : de en
  • DE601137C - Automatic adjustment device for adjusting shock absorbers : de en
  • DE601044C - Computer and switchgear for fire control, especially on ships : de en
  • GB414624A - Improvements in or relating to systems comprising one or more gasfilled discharge tubes supplied from a source of alternating current : en
  • IE13511L - Cooling of emulsions, dispersions, suspensions etc. : en
  • DE601113C - Circuit for turnout and signal drives : de en
  • US1968906A - Production of aryl mercapto compounds : en
  • US1969099A - Manufacture of highly refractory products : en
  • US1969633A - Television apparatus : en
  • US1969545A - Mixer for road materials : en
  • FR768743A - Improvements made to devices for speed-based regulation of the flow rate of reciprocating pumps, in particular the flow rate of injection pumps for internal combustion engines : en fr
  • GB414581A - Process of stabilising antiknock compounds in motor fuels : en
  • US1968933A - Means for producing tin oxide : en
  • US1969521A - Screen for automobile windows : en
  • FR768476A - Improvements made in the establishment of pump safety rings : en fr
  • GB414520A - Improvements in fire-bars for steam boiler and other furnaces : en
  • DE601004C - Closing slide for tunnel ovens : de en
  • FR768631A - Powder to improve the insecticide and fungicide treatment of plants and in particular of vines : en fr
  • US1969542A - Electrical distribution system : en
  • US1969227A - Method of making hose : en
  • FR43713E - Oil bath mercury switch : en fr
  • DE600980C - Process for the preparation of fibrous cellulose acetates : de en
  • FR768441A - Control device for combine harvester elevators : en fr
  • FR768668A - Motor device for maneuvering and locking a non-heelable switch with electrical and mechanical control of the needle tips : en fr
  • GB414433A - Improvements to automatic sheet feeders : en
  • GB414644A - Improvements in and relating to the refining of motor spirit : en
  • DK49090C - Procedure and device for heating railway wagons. : da en
  • DE600848C - Filler pencil with a spring-loaded push rod : de en