• USD118656S - Design fob : en
  • AT157752B - Braking device, in particular for railway vehicles, with regulation of the brake pad pressure for each end of the car. : de en
  • US2188193A - Fermentation process of treating sugar worts : en
  • DE687278C - Shut-off device for fuel pumps of fuel injection engines : de en
  • US2188236A - Tire tool : en
  • USD118660S - Dress ensemble : en
  • DE687182C - compass : de en
  • FR852109A - Improvements to measuring devices : en fr
  • US2187939A - Comb : en
  • US2187979A - Piston ring : en
  • AU15439A - An appliance for mixing materials ina dry or liquid or semiliquid state : en
  • US2188168A - Shoe : en
  • US2188062A - Antenna winch : en
  • DE687292C - Process for the production of hydrogen peroxide : de en
  • US2187990A - Clarifying process for molasses : en
  • CA386408A - Printing press delivery device : en fr
  • CA386450A - Friction clutch : en fr
  • DE687324C - Gas-filled electric light bulb with a safety wire built into a power supply : de en
  • GB517202A - Improvements in push-button switches : en
  • AU11539A - High frequency modulating and transmitting systems : en
  • SE97853C1 - Device for installing discharge pipes in an apparatus : en sv
  • US2187767A - Damper control : en
  • US2188140A - Cleaning preparation : en
  • DE687233C - Process for the production of semi-finished products (e.g. sheet metal with layers of precious metal : de en
  • DE687120C - Switching device for gear change transmissions of motor vehicles : de en
  • US2188026A - Clip : en
  • US2188060A - Power transmission for oscillatory bodies : en
  • US2187989A - Shooting gallery : en
  • US2187922A - Device for curing and cooling burned materials in rotary kilns : en
  • US2188144A - Circuit breaker for motor vehicles : en
  • US2187740A - Apparatus for producing can bodies : en
  • US2187799A - Drier : en
  • US2187978A - Modulated-carrier signal-translating system : en
  • USD118644S - Design for a bathtub : en
  • FR852214A - Watch without hands and its application to the determination of the different characteristics (longitude, true time) necessary for navigation : en fr
  • GB606876A - Improvements in or relating to gun-fire control or like apparatus for similar purposes : en
  • CA386435A - Motor vehicle steering device : en fr
  • DE687184C - Method and device for the uninterrupted measurement of substances, regardless of the moisture content : de en
  • US2188185A - Rug display apparatus : en
  • US2188239A - Magnesium alloy : en
  • US2188264A - Self-luminous keyhole locator : en
  • USD118640S - X t kt x t : en
  • AT157778B - Straw feeding device for straw balers with a revolving rake that is driven by toothed wheels whose toothed rings are interrupted. : de en
  • AT157833B - One-way clutch device. : de en
  • DE687124C - High-speed bucket elevator for conveying grain : de en
  • DE687147C - Spool braking device for telecommunication wire group stranding machines : de en
  • AT157825B - Automatic control device for furnaces, in particular for solid fuels. : de en
  • DK57173C - Liquid Filtration Procedure. : da en
  • FR852196A - Sealing ring with elastic piston support device : en fr
  • GB517274A - Improvements in and relating to the treatment of carbon black and lamp black : en
  • US2187766A - Therapeutic composition : en
  • USD118682S - Design for a game board : en
  • US2188158A - Screw driver : en
  • GB517191A - Improvements relating to electric lamps : en
  • FR852300A - Stackable drinking glass : en fr
  • DE687180C - Process for molding jaw and mouth parts when performing dental prosthesis work : de en
  • DE687291C - Synchronous clock system with three-wire clock network, especially for use on ships : de en
  • GB517165A - Improvements in or relating to the treatment of zein : en
  • GB517271A - Improvements in photographic objectives : en
  • US2187718A - Rice product and process : en
  • US2188194A - Elastic fluid turbine plant : en
  • DE687175C - Locking device for self-sealing coke oven doors : de en
  • FR852125A - : fr
  • FR852288A - Propeller control device for airplanes : en fr
  • GB517132A - Improvements in or relating to fluid pressure regulating devices : en
  • GB517304A - Improvements in operating mechanisms for oil circuit breakers : en
  • DE687131C - Arrangement for adapting one or more emitters coupled to a parallel conductor system : de en
  • US2188017A - Brooder : en
  • DE687173C - The best from rake-like, interlocking parts : de en
  • CA386451A - Engine fuel feeding means : en fr
  • DE686679C - Color for duplication purposes using the permanent stencil method : de en
  • US2187764A - Steering wheel : en
  • US2188159A - Gas-filled space discharge tube circuits : en
  • USD118667S - Design fob a dress : en
  • US2187727A - Stoker : en
  • US2187945A - Telephone system : en
  • GB517284A - Improvements relating to the construction of differential mechanism : en
  • GB517254A - Improvements in or relating to the manufacture of composite blocks for building and like purposes : en
  • DE687073C - Drag distributor for road building materials : de en
  • AU109571B2 - Scanning systems for picture transmission : en
  • GB517114A - Improvements in or relating to the treatment of textile materials : en
  • US2188067A - Signal lamp bracket : en
  • US2187837A - Multiple action surface treatment : en
  • DE687298C - Process for the production of projections or depressions in the inner wall of the crown jacket for the attachment of porcelain jacket crowns on a natural tooth stump : de en
  • US2188276A - Casting machine : en
  • AT157770B - Device for degassing liquids and storing liquids in a gas-free state. : de en
  • DE687191C - Storage of the rolls of a rolling stand : de en
  • FR852054A - Construction, especially for underground shelters : en fr
  • FR852078A - Electric discharge tubes : en fr
  • AU109539B2 - Improvements in or relating to electric discharge lamps comprising material adapted tobe excited to luminescence by an electric discharge : en
  • FR852012A - : fr
  • GB517131A - Artificial leather and like coated fabrics : en
  • GB517261A - Improvements in or relating to the construction of concrete walls : en
  • FR852271A - Process for cracking hydrocarbons : en fr
  • DE687346C - dust sources : de en
  • US2187744A - Method of and apparatus for face milling : en
  • FR852074A - Improvements to protection systems for high voltage lines : en fr
  • FR852235A - : fr
  • GB517222A - Improvements in or relating to electric circuit interrupters : en
  • FR852042A - Process for preparing polyazo dyes : en fr
  • FR852150A - Improvements in devices used for the transformation of mechanical or electrical oscillations, in particular for the reception and emission of ultrasonic waves : en fr
  • GB517147A - Improvements in or relating to hand propelling gear for ships' lifeboats : en
  • DE687302C - Upholstered body and process for its manufacture : de en
  • GB517282A - Improvements relating to motor-vehicle chassis : en
  • US2187921A - Spring suspension for vehicle wheels : en
  • DE687186C - Evaporator : de en
  • US2188279A - Gear shifting mechanism for motor vehicles : en
  • FR852295A - Improvements to ovens, hearths and the like of the vertical type with gas heating : en fr
  • AU109568B2 - Improvements in cream or milk cans andthe mode of manufacture thereof : en
  • GB517260A - Money carrier : en
  • USD118637S - Besign fos : en
  • US2188086A - Beam head : en
  • US2188294A - Gaseous tube sign : en
  • US2188077A - Means for sheathing excavation walls : en
  • GB517248A - Improvements in and relating to electromagnets : en
  • DE687142C - Distillation process and facility : de en
  • GB517117A - Improvements in or relating to variable-pitch airscrews : en
  • GB517364A - Pie and/or beverage warmer : en
  • AT157759B - Heating system for railroad cars. : de en
  • AU109526B2 - Method of preparing organic compounds : en
  • DE687325C - Needle or pusher bed for flat knitting machines : de en
  • US2188197A - Die assembly for forming hollow metal articles : en
  • FR852215A - : fr
  • FR852287A - : fr
  • US2188031A - Centrifugal separator : en
  • DE687091C - Jacquard flat knitting machine for the independent production of single-bed petinet knitwear : de en
  • FR852160A - Device for tilting and moving ingots in duo mills : en fr
  • GB517158A - An improved self-aligning hinge : en
  • FR852105A - Device used to limit short-circuit currents : en fr
  • GB517144A - Improvements in or relating to wearing apparel : en
  • US2187815A - Process for effecting carbazole ring formation of compounds of the anthraquinone series : en
  • USRE21330E - Journal bearing : en
  • AT157840B - Use of polyvinyl alcohol or its derivatives for the production of casings. : de en
  • AU331039A - Improvements in or relating to permanent magnets and process of treatment ofthe alloys for such magnets : en
  • CA386406A - Building block : en fr
  • AT157838B - Process and device for the continuous production of fertilizers containing phosphoric acid. : de en
  • AU109578B2 - Improvements inthe automatic steering of aircraft : en
  • DE687130C - : de en
  • FR852231A - Improvements made to position indicators acting at a distance by the pressure of a liquid : en fr
  • US2188250A - Racket stringing apparatus : en
  • CA386418A - Spring seat : en fr
  • CA386490A - Pick-up tongs : en fr
  • GB517325A - Improvements in or relating to manifold and like pipes : en
  • US2187724A - Piston and ring assembly : en
  • US2188034A - Fastening for doors : en
  • AT157805B - Procedure for measuring illuminance levels. : de en
  • AU304539A - Improvements in or relating to feeding device for rock drills : en
  • GB517298A - Improvements in and relating to arc-extinguishing tubes for electric circuit breakers : en
  • AT157807B - Radio receiver. : de en
  • AU109531B2 - Methods of producing elemental sulphur by reaction between sulphuretted hydrogen and sulphur dioxide : en
  • AU27139A - Improved movable roof for sheep-feeders : en
  • AU282539A - Improvements in or relating to froth flotation concentration : en
  • GB517334A - Improvements in or relating to laminated materials : en
  • GB517351A - Improvements in or relating to the treatment of yeast suspensions : en
  • AU112321B2 - Improvements in and relating tothe treatment of fibre-containing stalks : en
  • DE687132C - Switching device for receivers of wireless telephony with automatic wave switching below wave ranges : de en
  • DE687250C - Process for the preparation of primary and secondary adipic acid hexamethylenetetramine : de en
  • FR852236A - Hot rolling mandrels : en fr
  • DE687361C - Completely separable zipper : de en
  • AU314639A - Improvements in or relating to devices comprising a cathode ray tube wherein the cathode-ray is magnetically deflected : en
  • DE686938C - Device for de-lumbering or swinging pre-broken bast fiber stalks : de en
  • US2188278A - Acetylene generator : en
  • US2188027A - Saw handle and measuring device : en
  • US2188293A - Automatic vehicle control system : en
  • DE687094C - Electrically operated device for aligning a number wheel of a display or printing unit : de en
  • DE687258C - Mesh network with several supply lines that belong in groups to several feed systems : de en
  • DE687202C - High pressure steam storage : de en
  • CA386448A - Furniture caster or slide : en fr
  • GB517194A - Washer for coal-distillation gases or the like : en
  • GB517333A - Improvement in catalyst and process for olefine oxidation : en
  • US2187792A - Electrical switch : en
  • DE687309C - Atomizer preheater : de en
  • GB517310A - Improvements in and relating to plate heat exchange apparatus : en
  • FR852024A - Insulator, such as support insulator in brittle rigid material : en fr
  • FR852274A - Electrical and analog wave amplifier systems : en fr
  • US2187876A - Windshield wiper : en
  • DE687115C - Protection device for eccentric presses : de en
  • DE687122C - Compensating device for the braking forces of motor vehicles : de en
  • FR852050A - Method and device for regulating the speed of motors using the action of speed and the action of acceleration at the same time : en fr
  • GB517315A - Improvements in or relating to apparatus for warming pies, beverages and the like : en
  • USD118681S - Design for a vending machine cabinet : en
  • USD118613S - Design foe : en
  • DE687277C - Internal combustion compressor with free-flying pistons : de en
  • DE687330C - Metal connections : de en
  • US2187881A - Emasculator : en
  • US2187897A - Mixer tooth : en
  • US2187780A - Lens system : en
  • US2187905A - Air conditioning : en
  • DE687285C - Process for making the so-called rain streaks invisible during film playback by means of optical brightening : de en
  • FR852016A - Improvements in the production of gas to water and in the apparatus used for this purpose : en fr
  • CA386496A - Telephone system : en fr
  • DE687129C - Centrifugal separator for a forced-flow steam generator operated with excess water : de en
  • CA386523A - Railway car truck : en fr
  • US2187967A - Reverse gear : en
  • US2188149A - Door latch mechanism : en
  • FR852048A - Advanced detergent : en fr
  • FR852204A - Advanced assembly device for quick-release separable zippers : en fr
  • US2188150A - Support for microphones and the like : en
  • DE687163C - Lubricator : de en
  • DE687345C - Process for the production of colored and translucent, mortar-flush glass wall panels : de en
  • US2187736A - Electrical discharge device : en
  • AU29839A - Improvements in or relating to multistage thermionic amplifiers : en
  • CA386506A - Mechanical advertising device : en fr
  • US2187997A - Loom reed : en
  • AU109546B2 - Improved sealing ofan object consisting of tungsten into glass : en
  • CA386495A - Adhesive composition : en fr
  • FR852115A - Thread sensing device for continuous ring looms : en fr
  • US2187934A - Vehicle door latch control mechanism : en
  • US2188063A - Case hardening composition : en
  • US2188075A - Treatment of hydrocarbon distillates : en
  • US2188171A - Floor rack for refrigerator cars : en
  • DE687380C - Additional electrical heating for a hot water heating system : de en
  • DK57176C - Process for the continuous preparation of aqueous Magnesium Hypochlorite solutions. : da en
  • US2188215A - Reversible power clutch : en
  • DE687383C - Mass for making molds : de en
  • FR852036A - Visible vertical card file, with unstaged cards arranged one behind the other : en fr
  • US2187753A - Method of and apparatus for rolling blanks : en
  • DE687327C - heating clips : de en
  • FR852163A - Cathode ray apparatus : en fr
  • DK57184C - Steam wax melter. : da en
  • GB517352A - Stapling machines : en
  • USD118621S - Design for a tumbler rack : en
  • GB517164A - Improvements in and relating to carbon paper : en
  • DK57181C - Gas- or vapor-filled discharge relay. : da en
  • US2188007A - Inorganic aerogel compositions : en
  • FR852118A - Manufacturing process and application of new mercaptobenzthiazol derivatives : en fr
  • FR852165A - Carpet cleaning process : en fr
  • DE687071C - Grouting compound for concrete pavements : de en
  • US2187793A - Beer dispensing device : en
  • DE687133C - Process for the production of a copper ammonia cellulose spinning solution : de en
  • DE687171C - no footwear : de en
  • DE687245C - Ring roller press : de en
  • DE687088C - Method to compensate for the losses in pieen wave filters with cross members : de en
  • DK57193C - License plate for Bicycles and Vehicles. : da en
  • DE687372C - Regenerative braking device for single-phase alternating current traction vehicles : de en
  • DE687164C - Process for the production of molded bodies from small metal particles : de en
  • DE687382C - Tooth root extractor : de en
  • FR852045A - : fr
  • FR852119A - Formwork for pouring walls and similar concrete construction elements : en fr
  • GB517206A - Process and apparatus for separating solid particles from gases : en
  • US2188126A - Portable hand buffer : en
  • AT157834B - Device for closing the socket of a pipe joint to enable the same to be poured. : de en
  • GB517228A - Improvements in water-heating and distilling apparatus : en
  • US2188039A - Means for sealing bags : en
  • AT157756B - Cushioning for bicycles, in particular for motor bicycles. : de en
  • US2188240A - Controlling means for automatic water systems : en
  • CA386474A - Fruit growth stimulating method : en fr
  • CA386524A - Railway car truck : en fr
  • DK57174C - Apparatus for Separation of Oil from Air. : da en
  • FR852234A - : fr
  • US2187755A - Method of forming bearings : en
  • US2187771A - Combination street sign and lamp guard : en
  • US2187957A - Dicing machine : en
  • FR852171A - Device for reducing disturbing pulses at the edge of mosaic plates in cathode beam explorers : en fr
  • FR852092A - Method and device for obtaining, in particular by grinding or rectification, profiles whose section is limited by cycloidal curves : en fr
  • DE687151C - Small self-switch with latch release in base form : de en
  • DE687297C - Rotating drum developer for gasifying carbide while obtaining dry hydrated lime : de en
  • FR852159A - Liquid meter with annular piston whose axis of the measuring chamber is tilted to the vertical : en fr
  • GB517175A - Holders for the tools of broaching machines : en
  • GB517354A - Improvements in or relating to the manufacture of non-poisonous town gas : en
  • FR852230A - Improvements to the mechanisms for stretching preparation wicks : en fr
  • FR852276A - : fr
  • GB517262A - Improvements relating to the scavenging ports in the cylinders of two-stroke-cycle internal combustion engines : en
  • DE687128C - Rack mechanism for cuckoo clocks : de en
  • DE687363C - peat masses : de en
  • DE687204C - Foldable and foldable protective grille for windows, locomotives : de en
  • DE687156C - Container for cooling purposes : de en
  • FR852037A - The electric cables : en fr
  • GB517356A - Improvements in and relating to crankshafts : en
  • USD118664S - Design for a dress ensemble : en
  • FR852175A - Improvement in ammonia synthesis : en fr
  • FR852102A - Apparatus for printing photographic prints, particularly photomontages : en fr
  • FR852112A - Absorption refrigerators with evaporation in the presence of an inert gas : en fr
  • US2188206A - Apparatus fob : en
  • DE687109C - Chain stitch shoe sewing machine : de en
  • GB517297A - Improvements in or relating to printing telegraph apparatus : en
  • DE687181C - Magnesium alloy : de en
  • DE687220C - Umbrella frame that can be shortened with a telescope-like articulated stick, the parts of which are held in particular by self-acting locking lugs : de en
  • US2188087A - Phonograph drive : en
  • DE687104C - Device for internal combustion engines according to patent 531494 with utilization of the atomization of the : de en
  • DE687112C - Device for the synchronous sequence of the movement of speech plates and the exposure of advertising objects or their movement during the discussion of these through the speech plates : de en
  • DE687343C - Electrically heated children's cooker : de en
  • FR852183A - Electrical signaling systems : en fr
  • US2188260A - Brake arrangement : en
  • USD118647S - Design for a washing machine : en
  • AT157817B - Process for obtaining a luminescent material layer. : de en
  • DE687154C - Cord roller drive carried by the vertically hanging motor axis for dental drills with freely hanging motor : de en
  • GB517330A - Improvements in or relating to electric wave transmission systems : en
  • FR852245A - Process for arranging non-ferrous metal coatings on cast iron, and in particular on cast iron bearing shells : en fr
  • US2187866A - Progressive-burning smokeless powder and method of manufacture : en
  • GB517145A - Improvements in and relating to prepayment mechanisms : en
  • FR852015A - Improvements in the production of gas to water : en fr
  • US2187971A - Automatic valve for fluids under intermittent pressure : en
  • US2188199A - Plastic composition : en
  • GB517232A - Improvements in or relating to battery charging apparatus : en
  • GB517338A - Improvements in or relating to the production of prints from lenticular films : en
  • USD118677S - Design for a basket : en
  • FR852178A - Ceramic Cutting Tools : en fr
  • FR852146A - Socket for polyphase current electrical network with movable collector capable of being moved along the conductors arranged in a polygonal plane : en fr
  • DE687234C - Method for applying the liquid dry material : de en
  • DE687067C - : de en
  • FR852032A - Improvements in the manufacture of electric discharge tubes : en fr
  • DK57185C - Pipe installation in Houses and Procedure for its Manufacture. : da en
  • GB517136A - Improvements in or relating to the manufacture of binding agents of the portland cement type : en
  • GB517219A - Improvements relating to knitting machines : en
  • AT157757B - Suspension for motor vehicles. : de en
  • US2187795A - Circuit controller : en
  • US2188289A - Air heater for blast furnaces : en
  • GB517273A - Improvements in or relating to grate bars for sintering machines : en
  • GB517300A - Improvements in or relating to two-wheeled trucks or the like : en
  • FR852209A - Mirror : en fr
  • FR852294A - Improvements to burners and air supply devices for ovens, fireplaces, etc. : en fr
  • GB517224A - Improvements in or connected with lifts, hoists and the like : en
  • GB517307A - Manufacture of ketones of the cyclopentanopolyhydrophenanthrene series : en
  • FR852186A - Steering wheel : en fr
  • FR852250A - Pusher instrument for the use of glass piston tubes intended for the preservation and use of various liquids : en fr
  • DK57188C - Procedure for depositing a metal film on a substrate by evaporating the metal in a vacuum. : da en
  • US2187889A - Air conditioning unit : en
  • FR852169A - Manufacturing process of pyrrols and hydrogenated pyrrols : en fr
  • US2188143A - Antenna device : en
  • GB517269A - Improvements in manufacture of gasoline and fuel oil by cracking crude petroleum stock : en
  • DE687251C - switching turbine existing power plant : de en
  • DE687057C - Device for drying the fuel in Schlaegermuehlen : de en
  • US2188115A - Investigation of materials with neutrons : en
  • AU265239A - Improvements in electric vacuum cleaners : en
  • FR852289A - Improvements to portable accumulators : en fr
  • US2188246A - Automatic change speed gear : en
  • US2187918A - Drying die for fibrous articles : en
  • USRE21332E - Melting furnace : en
  • AU109543B2 - Improvements relating to calculating machines : en
  • DE687111C - Shoe engineering machine with reversing of the sewing shaft when the machine is stopped : de en
  • DE687307C - Automatic discharge device for air setting machines and stoves : de en
  • GB517313A - Improvements in or relating to air velocity measuring instruments : en
  • US2188006A - Hose coupling : en
  • US2188172A - Heat transfer system : en
  • US2188152A - Automobile heater : en
  • USD118619S - Design for a push bab : en
  • GB517152A - Improvements in vacuum tight concentric electric leads : en
  • DE687093C - : de en
  • FR852020A - Thiocarbonates and imino-thiocarbonates of polyhydroxy aromatic compounds : en fr
  • GB517328A - Colour photographic multi-layer material : en
  • AT157806B - Headlights. : de en
  • AU314039A - Improvements in and relating tothe manufacture of milk powder : en
  • DE687347C - Stiffening fabric : de en
  • FR852067A - Device for night marking of high voltage lines : en fr
  • FR852273A - Electronic discharge devices : en fr
  • US2187983A - Stirrup pad : en
  • USD118631S - Design for a detachable towel rack : en
  • AU299339A - Improvements in and relating to rheostatic braking systems for electric motors : en
  • US2187940A - Slack adjuster : en
  • AT157803B - Circuit for receiving modulated carrier waves. : de en
  • AU208739A - Improvements in thermionic valve circuits : en
  • AU211239A - Improvements in gloves : en
  • GB517312A - Improvements in or relating to plate heat exchange apparatus : en
  • US2187749A - Manufacture of lead compounds : en
  • CA386502A - Rectangular article wrapping machine : en fr
  • DE687364C - Ring binder mechanism : de en
  • US2187803A - Motion picture apparatus : en
  • US2188141A - Tool joint control for blowout preventers : en
  • US2187785A - Wire drawing method and machine : en
  • CA386438A - Cigarette machine tobacco feeding mechanism : en fr
  • FR852291A - Process for starting internal combustion engines with injection : en fr
  • AU253239A - Temperature compensation means for pressure actuated indicators : en
  • US2187717A - Vibratory electrical apparatus : en
  • US2187730A - Rotary pump : en
  • USD118635S - sholtz : en
  • US2188142A - Automobile bumper mounting : en
  • AU109585B2 - Improvements in or connected with draught mechanism of tractors : en
  • AU12339A - Improvements in or connected with draught mechanism of tractors : en
  • AU7839A - An improved reflector for use in street lighting andthe like : en
  • USD118657S - Design fob a lace : en
  • US2188095A - Chuck : en
  • US2188221A - Attachment for tractor wheels : en
  • CA386507A - Soda soap grease : en fr
  • DE655412C - Production of fire extinguishing foam : de en
  • US2188234A - Control for automobiles : en
  • GB517133A - Manufacture of cyclic ketones of the cyclopentanopolyhydrophenanthrene series : en
  • CA386414A - Typewriter line justifier : en fr
  • FR852206A - Device for cooling air-cooled internal combustion engines, of the series cylinder construction type : en fr
  • GB517150A - Improvements in heels for boots and shoes and top lifts or/and wearing pieces therefor : en
  • CA386489A - Electric regulator : en fr
  • AU305539A - Improvements inthe automatic steering of aircraft : en
  • GB517204A - Improvements in or relating to the manufacture of ceramic liquid containers and of moulds therefor : en
  • US2188145A - Remote indicating system : en
  • USRE21331E - heller : en
  • FR852188A - Hand tool refinements, featuring a movable jaw : en fr
  • US2187781A - Vehicle drive system : en
  • US2188101A - Electric motor : en
  • AT157764B - Casting mold used for the continuous production of dense blocks and similar workpieces from aluminum and magnesium alloys. : de en
  • CA386423A - Earth component recovery from wells : en fr
  • IE16146L - Subscribers' sets. : en
  • FR852104A - Method and device for drying and handling tubular objects, in particular artificial casings for sausages : en fr
  • GB517288A - Manufacture of polyoxy compounds of the cyclopentanopolyhydrophenanthrene series andderivatives thereof : en
  • US2187716A - Spreader : en
  • US2187750A - Treatment of ores : en
  • GB517183A - Improvements in or relating to autographic registers and like recording machines : en
  • FR852001A - Instrument for styling the hair and method for its application : en fr
  • FR852211A - Improvements to piston actuators operating with pressurized fluid : en fr
  • FR852216A - Improvement in dry straighteners and the manufacturing processes of these straighteners : en fr
  • FR852259A - Process for the preparation of pure cryolite, not containing silicic acid : en fr
  • FR852269A - Process for splitting hydrocarbons or hydrogenating them under pressure : en fr
  • AU83639A - Improvements in or relating to electric discharge lamps comprising material adapted tobe excited to luminescence by an electric discharge : en
  • DE687061C - Centrifugal adjustable coupling of a driving and a driven shaft : de en
  • DE687099C - Control for internal combustion engines by liquid pressure medium with adjustable pump stroke : de en
  • DE687310C - Tool for cold forming metals : de en
  • GB517283A - Steering mechanism for the front wheels of a motor-vehicle : en
  • DE687070C - Switching device in which characters or the like are triggered by an optional combination of two or more simultaneously operated buttons or the like : de en
  • FR852241A - Unsinkable bathing suit : en fr
  • GB517340A - Improvements in or relating to stirring or agitating of the contents of cans or the like : en
  • GR8725B - SAFE BOAT. : el en
  • US2187738A - Sanitary apparatus with air gap : en
  • US2187969A - Drilling system : en
  • FR852205A - Improvements to the electric control of elevators, in particular freight elevators : en fr
  • CA386433A - Furnace air preheater : en fr
  • US2188022A - Safety device for volatile liquid storage tanks : en
  • US2187813A - Vat dyestuff of the phthaloyl quinazoline series : en
  • DE687256C - Monitoring arrangement for switching points in the track, in particular with automatically resolved routes and when stopping signals : de en
  • GB517189A - Improvements in or relating to lubricating devices for rotary or other compressors : en
  • AT157830B - Zipper with completely separable rows of fasteners. : de en
  • GB517187A - Improvements in and relating to means for holding electric lamps : en
  • DE687213C - Arrangement for feeding the excitation winding of a synchronous machine from the alternating current network via rectifier : de en
  • GB517294A - Improvements in or relating to the driving of machines through a fluid transmission system : en
  • GB517320A - Improvements in or relating to crockery : en
  • US2187851A - Radio station control system : en
  • USRE21333E - Toasting apparatus : en
  • DE687294C - iron : de en
  • DE687301C - Method for producing envelopes, bags or the like with a self-adhesive seal : de en
  • US2188094A - Insect catching apparatus : en
  • US2188230A - Crusher : en
  • USPP355P - Geranium : en
  • DE687268C - Thread monitor for textile machines working with single threads, especially for warp knitting machines : de en
  • US2188014A - Vernier microscope : en
  • US2188258A - Mixing valve : en
  • DE687296C - Device for influencing the electric arc in automatic arc welding machines : de en
  • US2187715A - Method of and apparatus for knitting : en
  • US2187914A - Hosiery testing apparatus : en
  • DE687274C - Display device for the hole information of punch cards : de en
  • DE687270C - Container for removing dental drills : de en
  • GB517314A - Improvements in hydraulic remote control systems : en
  • US2187911A - Pedal board : en
  • US2187733A - Valve : en
  • FR852096A - Improvements to bearings for dynamo-electric machines : en fr
  • DE687161C - Collection wagon for harvesting beetroot with head device : de en
  • GB517188A - Improvements in or relating to brake pipe couplings between a towing vehicle and a towed vehicle of trains of vehicles : en
  • GB517227A - Improvements in or relating to the securing of shank stiffeners in place in shoe bottoms : en
  • GB517335A - Process for the manufacture of polyazodyestuffs : en
  • USD118633S - Design fob a detachable towel rack : en
  • DK57182C - Lunch box. : da en
  • GB517278A - Improvements in or relating to framework structures for portable buildings : en
  • FR852079A - Process for the preparation of diamide and polydiamide resins : en fr
  • FR852060A - Means for ensuring the circulation of fluids at determined temperatures in processes of catalysis and other similar operations : en fr
  • DE687056C - Process for the production of pinch feet for electric light bulbs and similar closed glass vessels : de en
  • GB517167A - Improvements in and relating to methods of regulating the amplitude of electric waves : en
  • GB517308A - Improvements in or relating to telegraph apparatus : en
  • US2187857A - Internal combustion engine : en
  • US2188245A - Reversible self-cleaning radiator : en
  • DE687169C - Pressure medium generator for vehicle brakes : de en
  • GR8735B - ARTIFICIAL FRUITS OF FRUIT, VEGETABLES AND SALADS. : el en
  • USD118618S - Design for a casing for a suction : en
  • US2188076A - Extrusion press : en
  • US2188058A - Vehicle signaling system : en
  • USD118661S - Design for a dress ensemble : en
  • DE687150C - Relay for determining the direction of energy in a three-phase network, especially in the event of a short circuit : de en
  • GB517327A - Improvements in and relating to multiple-spindle automatic lathes and like machine-tools : en
  • DE687176C - directly or indirectly heated bimetal strip : de en
  • DE687216C - Suction pump for generating low pressures : de en
  • US2188111A - Liner : en
  • FR852007A - Adjustment device for circulation boiler with water separator : en fr
  • GB517236A - Improvements in and relating to plasticizers and plasticized coating compositions : en
  • DE687320C - Collector, preferably plane collector for electrical machines, especially in use in motor vehicles : de en
  • DE687355C - Device for splitting hydrocarbon oils in the liquid phase : de en
  • AT157793B - Receiver for high frequency vibrations. : de en
  • GB517127A - Improvements in or relating to pressure gauges : en
  • DE687165C - Riveting device with heating of the rivet to be deformed by electrical current : de en
  • FR852052A - activation electrode : en fr
  • US2188079A - Rectifier device : en
  • US2188272A - Shaped article and process of preparing it : en
  • SE97856C1 - : en
  • US2187860A - Lead-in conductor for mercury vapor tubes : en
  • US2188271A - Dual rim mounting : en
  • AT157791B - Arrangement for regulating the bandwidth in receivers. : de en
  • AU42539A - Machine for forming and welding helical joint metal pipes : en
  • GB517138A - Improvements in and relating to the production of tiles and other moulded articles from setting compositions containing calcined magnesite : en
  • DE687271C - Device for etching : de en
  • AT157777B - Establishment at and for web shooters. : de en
  • CA386497A - Telephone system : en fr
  • AT157772B - Arrangement for regulating the water level in boilers. : de en
  • AU547838A - A process for rendering artificial fibres produced from casein suitable for dyeing with chrome colours, and the product thereof : en
  • CA386510A - Oil burner : en fr
  • US2187811A - Fluid pressure reducing valve : en
  • DE1480392U - : de en
  • DE687121C - Turn signal device for bicycles or motorcycles : de en
  • USD118627S - Design for an aerial : en
  • US2188089A - Cooling device : en
  • FR852091A - Basic dyes of the triaryl-methane series and their production process : en fr
  • DE687098C - vaporizable liquid, especially water, in : de en
  • DE687167C - Paper container : de en
  • DE687153C - Process for fixing tanning agents in leather : de en
  • DE687049C - Drilling device for drilling water-bearing layers : de en
  • GB517141A - Improvements in machines for grinding the edges of tiles and similar articles in plate form : en
  • GB517264A - Improvements in or relating to electrical oscillating systems : en
  • US2187956A - Pipe wrench : en
  • US2188129A - Two-tone reflector flashlight : en
  • DE687082C - Remote control device with resistors that are connected to one another by adjustable taps forming a bridge circuit : de en
  • DE687322C - Electric lamp : de en
  • AU67539A - Improvements inthe manufacture of frames for kit bags and articles of like nature having metal frames : en
  • GB517210A - A rotary hydraulic intensifier : en
  • US2188053A - Assembling device : en
  • CA386410A - Liquid sprayer : en fr
  • DE687255C - Power supply system for railway safety devices, in particular for power stations : de en
  • CA386422A - Buoyant soap cake : en fr
  • CA386454A - Textile material dyeing process : en fr
  • CA386405A - Heat exchange apparatus : en fr
  • DE687252C - Form set consolidated by a holder : de en
  • DE687352C - DC arc welding generator : de en
  • CA386441A - Capped container sealing machine : en fr
  • US2187865A - Radio frequency drift indicator : en
  • US2187830A - Drafting mechanism for rovings, slivers, and the like : en
  • US2188189A - Combination carburetor and supercharger : en
  • US2187869A - Attaching clip for roof gutters : en
  • CA386428A - Automobile theft preventing means : en fr
  • DE687085C - Explosion-proof electrical lamp : de en
  • DE687125C - Drying drum with trickle fittings : de en
  • AT157816B - Breaker pot arrangement. : de en
  • FR852064A - Dead fish mount combined with spinning lure : en fr
  • FR852155A - Process for dyeing fabrics and mixed yarns of cellulose or regenerated cellulose and cellulose esters or ethers : en fr
  • DE687288C - Device for mixing fiber material : de en
  • FR852075A - Nitrocellulose products and manufacturing process for these products : en fr
  • DK57192C - Streamlined vehicle with rear engine. : da en
  • USD118648S - Design for a magneto housing : en
  • US2187839A - Casing head : en
  • CA386483A - Cathode ray tube time-base : en fr
  • DE687215C - Process for the production of grid-shaped subdivided photocathodes : de en
  • FR852285A - Directed anti-tank mines : en fr
  • GB517122A - Improvements in or relating to machines for sowing or sprinkling seeds and the like : en
  • GB517290A - Indicating device suitable for use with winding gears and the like : en
  • DE687212C - Suspension clamp for steel aluminum cables : de en
  • CA386462A - Radio receiver : en fr
  • DE687197C - Process for the preparation of lactoflavin phosphoric acids : de en
  • GB517135A - Chain and methods of making the same : en
  • CA386521A - Boot and shoe insole : en fr
  • CA386446A - Resinous composition : en fr
  • US2187985A - Interchangeable self-cleaning rake : en
  • US2188069A - Cutting torch head : en
  • AT157813B - Process for the production of capacitor electrodes. : de en
  • CA386491A - Railway car dumping mechanism : en fr
  • AU109563B2 - Improved valve, particularly for air or gas compressors and the like : en
  • CA386434A - Tractor wheel non-skid apparatus : en fr
  • FR852076A - Improvements made to fasteners and fixing devices which include them : en fr
  • DE687260C - Procedure for operating inverters : de en
  • DE687100C - Liquid gap filter, in particular for fuel in internal combustion engines : de en
  • US2188046A - Firing mechanism for automatic firearms : en
  • DE687210C - Device for automatic regulation of the frequency bandwidth of a receiver : de en
  • DE687313C - Method and device for operating a high-pressure steam power plant : de en
  • DE687244C - Method and device for oiling metal sheets : de en
  • DE687335C - Drive for chopping machines : de en
  • FR852185A - Method of obtaining perforated elastic fabrics : en fr
  • DE687141C - Process for the production of a binding reinforcement for books : de en
  • USD118612S - Design for a mine shuttle cab : en
  • USD118680S - Design foe an ash receiver : en
  • AT157801B - Circuit for receiving modulated carrier waves. : de en
  • CA386513A - Typewriter : en fr
  • GR8726B - CRUDE OIL BURNER. : el en
  • DE687123C - Direction indicators for vehicles equipped with cranks : de en
  • FR852128A - Sheet metal cage for roller bearings : en fr
  • AT157754B - Amusement facility. : de en
  • US2188037A - Pyrophoric lighter : en
  • US2188251A - Preload adjustment for ball bearings : en
  • US2187725A - Furnace structure : en
  • US2187827A - Paper cutter : en
  • US2188198A - Tool post construction : en
  • US2187891A - Apparatus for washing fruits, vegetables, and the like : en
  • US2188177A - Pressure indicating device : en
  • FR852085A - : fr
  • GB517230A - Improvements in metal clad electric switchgear having isolating elements : en
  • FR852093A - Process for manufacturing molded objects, and device for implementing this process : en fr
  • GB517302A - Improvements in or relating to the manufacture of synthetic rubber : en
  • DE687043C - pocket knife : de en
  • DE687162C - Synchronization rods in the manner of Nuremberg scissors for the opposing free-flight pistons of a flight-piston machine : de en
  • FR852191A - Lubrication device for aircraft engines, in particular for star-shaped cylinder engines : en fr
  • CA386508A - Naphthenic acid extraction : en fr
  • CA386518A - Lacquer : en fr
  • US2188176A - Thermal unit : en
  • AT157761B - Process for producing dense blocks and similar workpieces from aluminum or magnesium alloys. : de en
  • US2187808A - Game : en
  • US2188156A - Apparatus for mounting fur upon a carrier sheet : en
  • US2188040A - Automatic liquid proportioner : en
  • GB517277A - Manufacture of ketones of the cyclopentanopolyhydrophenanthrene series : en
  • AU343239A - Improvements relating to oil scraping and draining means for use on pistons : en
  • AU109580B2 - Improvements in and connected with metallurgical furnaces : en
  • US2188013A - Method of separating high molecular mixtures : en
  • DE687065C - Method for the representation of ketene : de en
  • DE687178C - Multi-stage secondary electron amplifier with electron-permeable auxiliary electrode between two successive triggering electrodes : de en
  • DE687239C - Ship hatch cover : de en
  • FR852100A - Detachable sanitary cell for aircraft : en fr
  • FR852248A - Improvements to absorption refrigeration units with air cooling : en fr
  • FR852297A - Advanced manufacturing process for ductile double metal : en fr
  • FR852133A - Improvements to the protective coatings of tanks containing flammable liquids, in particular fuel tanks for automobiles or aircraft : en fr
  • GB517159A - Sheet metal heating radiator : en
  • USD118611S - Design for a bicycle frame : en
  • CA386525A - Inert gas production controlling method : en fr
  • DE687232C - Self-tapping screw : de en
  • DE687332C - Process for separating antimony and lead from mainly antimony and lead-containing masses : de en
  • DE687341C - Device for releasing lifeboats from their suspension : de en
  • DE687283C - Process for producing seamless and wrinkle-free molded bodies, articles of daily use, etc., in particular hollow bodies : de en
  • DE687287C - Arrangement for setting motor-driven bodies : de en
  • DE687072C - Device for distributing grainy or pulpy road building materials : de en
  • DE687146C - Evaporator device for low-boiling, liquefied gases : de en
  • FR852080A - Provision of a rubber cord unassailable by oils and acids, under the clamping screws of tools in revolver lathes : en fr
  • FR852180A - Adjusting devices for wireless telegraphy apparatus : en fr
  • FR852226A - Machine for nailing labels or other applications : en fr
  • GB517316A - A carding machine for producing from strips of carded web, imposed-web ribbon slivers or imposed-web cylindrical slivers : en
  • US2188078A - Air conditioned bed compartment : en
  • US2188225A - Shoe construction : en
  • US2188247A - Method and composition for improving milling products : en
  • AU9139A - Improvements in the production of elemental sulphur from gases containing sulphuretted hydroogen, carbon oxysulphide and carbon oxydulphide and carbon di-sulphide : en
  • FR852251A - Accumulator television tube : en fr
  • DE687357C - Process for the degassing of alkaline liquids laden with hydrogen sulfide : de en
  • FR852090A - Compounding of groups for grid-controlled rectifiers : en fr
  • FR852026A - Electrical feedthrough for vacuum reaction apparatus : en fr
  • US2187737A - Variable speed supercharger drive : en
  • US2188021A - Wall facing : en
  • IE15829L - Combined television and broadcast receivers : en
  • AU402638A - Improvements inthe recovery of glycerol : en
  • DE687090C - Wet mechanical device for separating solid components from flue gases : de en
  • DE687063C - Steep index : de en
  • DE687193C - Pressing device for iron : de en
  • FR852174A - Apparatus intended for carrying out catalytic reactions under pressure : en fr
  • FR852013A - Boiler plate for kitchen stoves : en fr
  • FR852122A - Improvement in the manufacture of seamless tubes on a pilgrim's pitch rolling mill : en fr
  • FR852263A - Device to prevent deactivation of engine feed pumps on airplanes or other air vehicles : en fr
  • FR852099A - : fr
  • US2187729A - Airplane wing : en
  • AT157760B - Line isolator for the contact wires of electric railways. : de en
  • DE687052C - Device for measuring the displacement of shafts, e.g. B. of turbine shafts : de en
  • DE687231C - Magnetic clamping plate for machine tools, especially grinding machines : de en
  • FR852153A - Process for the production of protective oxide layers on magnesium and magnesium alloys : en fr
  • GB517197A - Improvements in or relating to colour photography : en
  • US2188121A - Making articles of fused silica : en
  • GB517157A - Improvements in window guides : en
  • AU523838A - Scanning systems for picture transmission : en
  • AT157845B - Device for direct measurement of horizontal distances using a horizontal staff. : de en
  • FR852222A - Device for measuring, recording or regulating catatemperatures or cooling quantities : en fr
  • FR852022A - Method of using temperature-dependent resistors : en fr
  • FR852270A - Process for splitting gas mixtures by thermal diffusion : en fr
  • US2187723A - Primary xenoxy-alkyl amines : en
  • US2188157A - Toy musical instrument : en
  • AU109519B2 - Improvements relating tothe production of yeast : en
  • DE687342C - Friction clutch for electrical telecontrol systems, especially for telemetry devices, teleprinters and like : de en
  • AT157810B - Elastic rubber-to-metal bearing, preferably for slow runners. : de en
  • CA386470A - Marshmallow compound : en fr
  • DE683272C - Strain-relieved rubber connector for electrical lines : de en
  • US2188122A - Electric space heater : en
  • US2188139A - Door latch : en
  • DE687246C - Process for crystallizing sugar solutions in continuous operations : de en
  • GB517213A - Process for the production of technically valuable chlorinated hydrocarbons : en
  • GB517323A - Steam generators : en
  • DE687275C - Registration machine controlled by counting point cards : de en
  • DK57191C - Metal wire stand for signs. : da en
  • US2187854A - Adaptable machine tool : en
  • US2187996A - Double twist twisting spindle : en
  • CA386416A - Utility tying tray : en fr
  • AU109562B2 - Improvements in or relating to multistage thermionic amplifiers : en
  • US2188270A - Thermionic tube : en
  • DE687145C - Thermostat system for refrigerators or heaters : de en
  • GB517249A - An improvement relating to rayon spinning bobbins : en
  • GB517341A - Improvements in press-button switches : en
  • GB517348A - Improvements in and relating to improving agents for the baking quality of flour andother milling products : en
  • DE687221C - Electric motor mounting in the vacuum cleaner housing : de en
  • DE687227C - Automatically adjustable valve tappet with hydraulic power transmission : de en
  • AU109554B2 - Improvements in or relating to safety blasting and like operations with charges containing alkali metal nitrite-ammonium salt mixtures and to blasting devices charged with such mixtures : en
  • US2187982A - Air-conditioning system and apparatus : en
  • CA386482A - Television apparatus : en fr
  • US2188195A - Strainer for vegetables and fruits : en
  • AT157779B - Device for dispensing measured amounts of liquid. : de en
  • AU245139A - Improvements in and relating tothe manufacture of paper and like bags, envelopes andthe like : en
  • US2187817A - Interpolymerization products of vinyl chloride and esters of maleic acid : en
  • US2187903A - Telephone system : en
  • US2187986A - Radio tuning system : en
  • AT157814B - Slide capacitor with spiral electrode. : de en
  • FR852223A - : fr
  • DE687276C - Self-collecting grinder : de en
  • AU109584B2 - High frequency modulating and transmitting systems : en
  • AU109577B2 - Improvements in or relating to froth flotation concentration : en
  • US2187892A - Transmitting means : en
  • US2188003A - Pump : en
  • DK57175C - Apparatus for Treating Liquid Chlorine Absorption Liquids. : da en
  • DK57183C - Measuring container for heat consumption meters. : da en
  • US2187895A - Method of forming a porous concrete well strainer : en
  • FR852094A - Remote electric gauge indicator : en fr
  • AU20139A - Improved mechanism for pitting fruit : en
  • US2188174A - Pneumatic tire : en
  • US2187915A - Ball and socket joint : en
  • US2188201A - Measuring instrument : en
  • US2187993A - Brake rigging : en
  • US2187819A - High-molecular organic compound : en
  • US2187861A - Cotton planter : en
  • USD118672S - pl an eta : en
  • US2188265A - Sleeping and lounging garment : en
  • AU317439A - Method of preparing organic compounds : en
  • FR852149A - Integral mixer for all liquids : en fr
  • FR852243A - Concretion device : en fr
  • AU109538B2 - Heat exchange device : en
  • US2188061A - Electric discharge vessel : en
  • US2188146A - Machine for manufacturing brake shoe inserts : en
  • US2188224A - Signaling device : en
  • DE687318C - Electrodynamic transmission : de en
  • FR852145A - Pushbutton-controlled fluxometers improvements : en fr
  • FR852260A - Protective gas mask : en fr
  • US2187976A - Emergency tank : en
  • US2188133A - Heating apparatus : en
  • US2188103A - Condensation products of the anthraquinone series : en
  • FR852053A - Improvements to filters for light sources : en fr
  • GB517349A - Improvements in or relating to control arrangements for x-ray apparatus : en
  • DE687199C - Steam or gas turbine : de en
  • FR852220A - Process for recovering the useful fractions passing in the extract phase in the depletion of lubricating oils using solvents : en fr
  • US2187947A - Microscopic revolving map : en
  • US2188241A - Self-supporting stocking : en
  • USD118649S - Design for a heater cabinet : en
  • FR852027A - Coupling network : en fr
  • FR852136A - Polyhydroxylated aliphatic aldehydes and process for the preparation of these compounds : en fr
  • DE687368C - Blade attachment for rotary machines : de en
  • CA386476A - Magnesium and alloy processing : en fr
  • GB517146A - Improvements in manufacture of articles from light metal alloys by extrusion : en
  • DE687189C - Ring or frame-shaped pit or tunnel lining made of rolled profile iron : de en
  • US2187842A - Container unloading and routing means : en
  • FR852141A - Folding canoe trolley : en fr
  • FR852256A - Lightweight metal window, with one or more movable frames, for building and other applications : en fr
  • GB517329A - Improvements in or relating to modulators or demodulators as employed in carrier wave signalling systems : en
  • DE687373C - Installation in electric locomotives : de en
  • US2187772A - Tone arm : en
  • US2187882A - Olefin oxidation and catalyst : en
  • US2188256A - Electric heating unit : en
  • GB517275A - Improvements in and relating to sanding apparatus on rail vehicles : en
  • FR852275A - Electrical switching devices : en fr
  • FR852113A - Motorcycle with sidecar : en fr
  • FR852184A - Electrical connection : en fr
  • US2187870A - Display standard : en
  • AU307339A - Improvements in and connected with metallurgical furnaces : en
  • CA386520A - Vehicle-controlled switch selecting system : en fr
  • DE687241C - Device in the shoe for treating the ball of the foot : de en
  • FR852189A - Improvements in computing devices, more particularly for topographic work : en fr
  • DE687053C - DF arrangement using reflection : de en
  • AU109576B2 - Improvements in apparatus forthe manufacture of concrete pipe and like reinforcements : en
  • GB517123A - Improvements in or relating to shoe stiffeners : en
  • FR852151A - Improvements to oxide cathodes : en fr
  • FR852110A - High Intensity Lamp Improvements : en fr
  • DE687110C - Bobbin case for sewing machines : de en
  • GB517142A - Improvements relating to devices for loosening or removing rotatable bottle caps or stoppers or the like : en
  • DE687236C - Cover layer for photographic or engraving produced dot or line screens for photographic and cinematographic purposes : de en
  • FR852266A - Winch improvements : en fr
  • GB517163A - Improvements in or relating to stability tank installations for ships : en
  • GB517125A - Stabilization of plastic polymers of halogenobutadienes and their homologues : en
  • FR852106A - : fr
  • FR852219A - Universal joint : en fr
  • GB517279A - A method of dressing material and apparatus therefor : en
  • DE687101C - Carburetors for internal combustion engines : de en
  • GB517205A - Improvements in printing machines for printing on articles having curved surfaces : en
  • GB517226A - Improvements in packing means for use in connection with axle-boxes, bearing housings and the like : en
  • US2188202A - Muffler : en
  • DE687097C - Collective trap : de en
  • US2188268A - Brake hanger bracket : en
  • US2187776A - Car end interlock : en
  • USRE21329E - Compressor regulator : en
  • US2187961A - Machine tool : en
  • US2188181A - Fruit pitting machine : en
  • DE687319C - Electric motor with a friction gear change gear : de en
  • FR852107A - Improvements in glove making : en fr
  • GB517192A - Vapour motor : en
  • US2187844A - Manufacture of coated strip for tubing production : en
  • US2188055A - Automatic signaling apparatus : en
  • US2187948A - Developing tank : en
  • US2188092A - Removal and recovery of laminarine from seaweed : en
  • FR852177A - Installation of gas turbines : en fr
  • GR8723B - METHOD AND DEVICE OF RELAXATION OF THE TIRE WHEELS OF CARS. : el en
  • FR852249A - Processes for the manufacture of dental dressings and products obtained : en fr
  • GB517311A - Improvements in or relating to methods of altering the velocity of flow of electrons : en
  • GB517186A - Improvements in or relating to holders and reflectors for tubular electric lamps : en
  • US2188196A - Traction lug : en
  • US2187847A - Condensation products of butyrolactones and primary amines of the aromatic and heterocyclic series : en
  • US2188080A - Monorunner coasting device : en
  • GB517322A - Improvements in and relating to aileron and elevator controls in aircraft : en
  • FR852124A - Watertight closing system applicable to doors, windows, etc. : en fr
  • FR852154A - Process for obtaining crypton and xenon from air by washing the latter with liquefied air : en fr
  • FR852077A - Sulphonated fats and method of preparing such materials : en fr
  • US2188137A - Method of heat treating : en
  • US2188290A - Protective device in television receivers : en
  • FR852272A - Manufacturing process of resinous molded objects : en fr
  • FR852290A - Process for blowing molten minerals, such as slag or the like, to obtain mineral wool therefrom : en fr
  • US2187763A - Pressing apparatus : en
  • US2187908A - Electromagnetic wave transmission : en
  • FR852051A - Rear lighting device for velocipede or other vehicles : en fr
  • FR852103A - Convertible light tractor, winegrower and road, adapting to all agricultural and farm work : en fr
  • DE687096C - Device for auxiliary motors controlled by power switches : de en
  • DE687126C - Spin dryer : de en
  • DE687280C - Multi-plate friction clutch controlled by air or fluid pressure : de en
  • FR852179A - Work holder device : en fr
  • DE687273C - Device for the detection of foreign gases or suspended matter in air : de en
  • GB517160A - Improvements in or relating to the manufacture of binding agents of the portland cement type : en
  • CA386419A - Automobile wheel traction device : en fr
  • FR852240A - Hollow beam and its application to concrete floors : en fr
  • GB517184A - Improvements in and relating to axle boxes : en
  • GB517255A - Improvements in and relating to apparatus for pneumatically delivering finely divided materials and particularly for delivering and placing mortar or cement mixtures andthe like : en
  • FR852253A - Instant release mechanism for panels, doors or the like : en fr
  • FR852268A - Distillation furnace : en fr
  • DE687059C - Controlled load hook for load drop devices arranged on aircraft : de en
  • FR852129A - Improvement in the preparation of aluminum paints : en fr
  • US2187845A - Clean-out tool : en
  • US2188088A - Combination shut-off and regulator for ovens : en
  • GB517154A - Improvements in or relating to feed mechanism for thread rolling machines or the like : en
  • FR852101A - For a gas engine cylinder head with combined, refrigerated, single-control valves and discharge gas reserve chamber : en fr
  • US2187884A - Pump rod coupling and method of making the same : en
  • DE687376C - Cuts in semi-closed slot electric machines with small tooth tip spacing : de en
  • US2188238A - Sanding device : en
  • DE687068C - Process for refreshing amalgam printing plates : de en
  • US2187797A - Atomizer nozzle : en
  • US2188047A - Bag holder : en
  • US2188231A - Sash-operating device : en
  • FR852170A - Process for producing gaseous olefins : en fr
  • USD118638S - Portable pood dispenser stand : en
  • GB517168A - An improved method of and means for making an electrical connection with a bus-bar : en
  • DE687211C - Device for the separate display of several wirelessly transmitted signals : de en
  • DE687229C - Fuel injection pump for pilot and main injection : de en
  • FR852173A - Friction motion transmission device : en fr
  • DK57194C - Locks for cabinet doors and similar doors. : da en
  • AT157829B - Apparatus and method for producing roving, yarn or the like from glass and other fibers. : de en
  • US2187806A - Electric soldering device : en
  • US2188287A - Wetting agent for alkaline mercerizing solutions : en
  • US2188205A - Floating tool holder : en
  • US2188200A - Automobile and trailer brake control mechanism : en
  • CA386499A - Material collecting and loading apparatus : en fr
  • US2187933A - Vehicle door latch : en
  • US2188207A - Folding chair : en
  • AU109520B2 - Improvements in and relating tothe manufacture of paper and like bags, envelopes andthe like : en
  • AU109579B2 - Improvements relating to automatic control apparatus for aircraft : en
  • AT157821B - Process for converting coal tar and other distillation residues into pitch coke in ovens with externally heated chambers. : de en
  • USD118662S - Design for a dress : en
  • USD118668S - Design for a dress : en
  • GB517223A - Improvements in and relating to rheostatic braking systems for electric motors : en
  • DE687087C - Electric gas or vapor discharge vessel : de en
  • GB517250A - Improvements in electrical systems of remote control : en
  • GB517241A - Apparatus for sizing hat bodies or bats : en
  • GB517287A - Improvements relating to apparatus for treating ailments in human beings and animalsby physical energy rays and treatment of liquids for internal or external application for treatment of such ailments : en
  • DE687157C - resulting waste sand : de en
  • GB517272A - The preparation of new therapeutically useful heterocyclic compounds : en
  • US2187745A - Process for hydrogenating amides and imides to amines : en
  • US2187888A - Cooking apparatus : en
  • DE687102C - Device for internal combustion engines according to patent 531494 with utilization of the atomization of the : de en
  • US2188218A - Electric snap switch : en
  • DE687138C - Detachable connection between aircraft wing and fuselage : de en
  • DE687281C - Device for generating circular vibrations : de en
  • DE687289C - Toy floor or wall clock : de en
  • DE687261C - igen connection of a load with symmetrical voltages and currents and according to the two-watt meter : de en
  • CA386407A - Grain door : en fr
  • CA386449A - Pump handle : en fr
  • US2187936A - Automotive vehicle door latch : en
  • US2187818A - Dialyzing apparatus : en
  • US2188263A - Lamp control circuit : en
  • IE15731L - H.p.m.v. discharge devices : en
  • DE687114C - Machine for forming and pre-pressing cakes from seeds of all kinds, especially from oil seeds : de en
  • DE687044C - Schanzgeraet : de en
  • DE687196C - Process for the preparation of imidazolines substituted in the 2-position : de en
  • US2187751A - Filler and flat for containers : en
  • GB517286A - New or improved means for operating door and like bolts : en
  • US2187974A - Bracket for coffee brewing vessels : en
  • DE687334C - Process for the production of metallic magnesium by heating magnesium chloride with hydrogen at high temperature : de en
  • AU114639A - Splice bars for connecting adjoining ends of railway rails : en
  • FR852071A - Improvements to molds for gas masks and others : en fr
  • GB517153A - Improvements in electric fuses : en
  • FR852217A - Improvements to faucets, mainly central heating faucets : en fr
  • AU305639A - Improvements relating to automatic control apparatus for aircraft : en
  • US2187807A - Fishing rod : en
  • US2187754A - Variable pitch propeller : en
  • US2187777A - Wheel : en
  • US2188010A - Steam-discharging pressing iron : en
  • GB517259A - Improvements in or relating to means for producing slub yarns in spinning machines : en
  • GB517306A - Radio landing control system : en
  • US2188093A - Sewing machine : en
  • DE687262C - Process for the production of double-capped electric light bulbs : de en
  • US2187910A - Musical instrument : en
  • AU84039A - Improvements in or relating to insecticides andthe like : en
  • CA386461A - Modulated carrier wave receiver : en fr
  • US2188097A - Calibrator for the compensating wedge of photometers : en
  • US2187790A - Apparatus for measuring intestines : en
  • US2188147A - Roof covering : en
  • US2187728A - Barbituric acids : en
  • USD118622S - Design fob a pocketknife : en
  • US2188051A - Extraction process : en
  • USD118654S - Design fob a tumbler : en
  • DE687106C - Exhaust collector for internal combustion engines : de en
  • AU109517B2 - Splice bars for connecting adjoining ends of railway rails : en
  • US2188049A - Threshold : en
  • US2188125A - Transfer instrument : en
  • US2187735A - Container : en
  • USD118620S - Design fob a glass : en
  • USD118666S - Design for a dress ensemble : en
  • US2187783A - Method of making and premolding heel and quarter sections of boots and shoes : en
  • USD118629S - Design for a tape dispenser : en
  • AU114487B2 - Corrosion resistant ferrous sheet and process : en
  • AU109582B2 - Improvements relating to oil scraping and draining means for use on pistons : en
  • DE687047C - Water running device : de en
  • DE687351C - Device for regulating operating parameters of electrical machines : de en
  • CA386404A - Food product : en fr
  • DE687266C - Thread tensioning device for warp knitting machines : de en
  • DE687316C - Process for generating a straight glide path for blind landing of aircraft : de en
  • AU109587B2 - Improvements inthe recovery of glycerol : en
  • AT157836B - Connection of elastic intermediate pipe sections in compressed air or compressed fluid lines. : de en
  • CA386501A - Glass wool : en fr
  • CA386458A - Air humidifying apparatus : en fr
  • DE687238C - Direction indicator for motor vehicles : de en
  • GR8729B - CAR TRUCK GLASS OVERTURN SYSTEM. : el en
  • AT157784B - Device for adjusting the flap in a bypass line belonging to a circulation pump of a hot water heating system. : de en
  • US2188054A - Double hung window : en
  • DE687279C - Silencer for internal combustion engines : de en
  • FR852116A - Resistor circuit for taking a variable current : en fr
  • FR852286A - Automatic porcelain shutter bottle capping machine : en fr
  • FR852039A - platform scaffolding, up and down, for masons, house painters, etc., can be rolled along the wall : en fr
  • GB517169A - Improvements in or relating to electric lamps : en
  • GB517193A - Improvements in anti-halation layers for photographic multi-layer sensitive material : en
  • GR8728B - KETTENSTUL KNITTING JEWELERY AND LIGHT FABRICS. : el en
  • GR8732B - AUTOMATIC BALANCE. : el en
  • FR852082A - Improvements to pneumatic hammers : en fr
  • DK57178C - Resonance box with sound base for reproduction of sound waves. : da en
  • GB517166A - Improvements in or relating to apparatus for controlling ship stabilising installations : en
  • FR852040A - Further training in industrial shock absorbers : en fr
  • GB517151A - Improvements in or relating to the casting of hollow metal billets or blocks : en
  • GB517179A - Improvements in or relating to thermionic valve amplifiers : en
  • GB517270A - Process for selectively separating a constituent from a liquid mixture : en
  • US2187930A - Separation of molybdenite from copper sulphides : en
  • US2188000A - Friction wheel pocket lighter : en
  • US2188280A - Accelerator of vulcanization : en
  • USD118650S - Design fob a tumbler : en
  • FR852002A - Mine ignition device or other applications : en fr
  • CA386429A - Paper water line producing device : en fr
  • CA386445A - Polyhydric alcohol resin : en fr
  • DE687219C - Method and device for regulating the outflow of metals : de en
  • US2188253A - Control for variable speed drives : en
  • CA386439A - Milk bottle cap : en fr
  • CA386443A - Phonograph stylus arm switch : en fr
  • AT157789B - Electric flashing device with automatic continuous flashing. : de en
  • US2188041A - Astronomical device : en
  • US2188117A - Nailing machine : en
  • CA386409A - Reflector button mounting : en fr
  • FR852029A - Acid dyes belonging to the diamino-triphenylmethane series and process for the preparation of these dyes : en fr
  • GB517121A - Improvements in and relating to means for compensating voltage variations in supply circuits : en
  • US2188033A - Clamp attachment for fuse anchoring clips : en
  • FR852130A - Balancing device for vehicle windows and other applications : en fr
  • US2187901A - Telephone substation apparatus : en
  • US2188188A - Hitch for road graders and the like : en
  • US2187719A - Derivative of hexamethylene-di-thio-carbamic acid : en
  • USRE21335E - The like : en
  • FR852066A - A method of operating a gas atmosphere discharge tube having an auxiliary gas or vapor : en fr
  • US2188068A - Modulated carrier wave television and like transmitter : en
  • US2188109A - Animal trap : en
  • US2188132A - Sanitary apparatus with valved air gap : en
  • USD118645S - Design fob a refrigerator cabinet : en
  • US2188073A - Textile printing lacquer : en
  • US2188213A - Portable bathhouse : en
  • AU204339A - Improvements in or relating to fruit bobbing devices : en
  • CA386412A - Rotary engine : en fr
  • US2188091A - Process for making permanent magnets and products thereof : en
  • AT157818B - Methods and means for yellowing photographic silver prints. : de en
  • AT157775B - Removable waste heating device for ovens. : de en
  • CA386415A - Utility clip : en fr
  • US2187923A - Resilient connection : en
  • US2188259A - Preparation of titanium dioxide pigments : en
  • AU342639A - A process for the recovery of potassium salts from solutions : en
  • US2187973A - Cycle : en
  • US2188261A - Weighing apparatus : en
  • AU557139A - Corrosion resistant ferrous sheet and process : en
  • CA386437A - Lifting jack : en fr
  • US2187778A - Humidifier : en
  • US2188292A - Electric target machine with reversing target : en
  • FR852239A - Electron ray tube with deflection control : en fr
  • US2187747A - Orthodontic adjusting tool : en
  • USD118655S - Design for an atomizer tray : en
  • US2188009A - Safety release for wringers : en
  • DE687370C - Warning signal system, especially for railroad crossings : de en
  • GB517177A - Improvements relating to direction indicators for road vehicles : en
  • FR852168A - Process for starting and charging steam turbines : en fr
  • US2188036A - Clevis : en
  • US2187929A - Device for assembling plates or other superposed pieces : en
  • FR852010A - Device for invisible lighting from the outside : en fr
  • DE687321C - Homopolar generator for generating several periodically interrupted alternating currents : de en
  • US2188244A - Pyridine carboxylic acid morpholides : en
  • US2188019A - Apparatus for copying lenticular : en
  • DE687092C - Flat knitted or flat knitted goods and flat knitted or flat knitted stockings : de en
  • US2187970A - Trailer hitch : en
  • AT157800B - Process for obtaining an antihypertensive agent. : de en
  • US2187874A - Armature recutting tool : en
  • US2187980A - Fire extinguisher : en
  • USD118659S - Design for a lantern : en
  • US2187722A - Printing machine : en
  • DE687177C - Arc lamp for cinema projection for installation in a closed lamp house : de en
  • US2187821A - Preparation of titanium alcoholates and phenolates : en
  • AU10039A - A stand or holder for the spraying end of a garden hose or the like : en
  • CA386460A - Sealed container making apparatus : en fr
  • US2188042A - Resilient drive unit for locomotives : en
  • US2187788A - Elastic fluid turbine : en
  • USD118674S - Design fob a textile fabric : en
  • AT157823B - Process for the eradication of plant pests and for combating fungal diseases. : de en
  • AU109551B2 - Improvements in water-heating and distilling apparatus : en
  • AT157802B - Circuit for automatic regulation of the side bandwidth allowed. : de en
  • AT157846B - Heating device for hair curlers. : de en
  • US2187872A - Gas producer for gasifying granular fuels : en
  • US2187907A - Car door : en
  • US2188162A - Sewage treatment : en
  • CA386475A - Earth and rock formation treating method : en fr
  • DE687066C - Process for the production of synthetic tanning agents : de en
  • GR8722B - SALES CONTROL SHEETS. : el en
  • USD118658S - Design for an arm for lamp fixtures : en
  • US2188020A - Corn cutter : en
  • AU109567B2 - Improvements in gloves : en
  • AU109542B2 - Improvements in or relating to fruit bobbing devices : en
  • AU109572B2 - Tiled walland tile : en
  • US2188028A - Hair curler : en
  • USD118663S - Design for a dress : en
  • US2187863A - Watch crystal for watertight watches : en
  • US2187926A - Lubricated plug cock : en
  • US2188002A - Carburetor device : en
  • US2187846A - Electric light fixture : en
  • CA386481A - Lead arsenate : en fr
  • CA386417A - Footwear traction device : en fr
  • AU158439A - Improvements in hairdressing tool : en
  • AT157848B - Masonry made of staggered, hollow blocks with an open base. : de en
  • USD118679S - Design for a rug or similar article : en
  • US2187824A - Automatic transmission ratio changer : en
  • AU9039A - Methods of producing elemental sulphur by reaction between sulphuretted hydrogen and sulphur dioxide : en
  • US2188035A - Hydraulic pump : en
  • DE687224C - Gas analyzer : de en
  • CA386464A - Cloth shrinking machine : en fr
  • AT157827B - Automatic control device for furnaces. : de en
  • DE687293C - Process for drying the paper webs printed in gravure printing machines or the like. : de en
  • FR852265A - Secondary constant time relay : en fr
  • US2187760A - Thermal manifolding apparatus : en
  • GB517268A - Improvements in or relating to means for damping torsional vibrations in transmission apparatus : en
  • AU109574B2 - An improved emulsifier : en
  • GB517247A - Diesters of unsaturated glycols and processes of preparing same : en
  • CA386424A - Power winch : en fr
  • AU109516B2 - Improvements in controlling apparatus forthe displaceable elements of water-gas manufacturing plant andother plant involving cyclical changes : en
  • CA386442A - Permanent glaze chintz : en fr
  • AT157773B - Method for sealing stud bolts. : de en
  • AT157841B - Control device for preparation and milling machines. : de en
  • AT157783B - Bedding carriage with attachable, single-axle chassis. : de en
  • DE687081C - Device to prevent overflow in the case of a motor influenced by lubrication takes place step by step : de en
  • FR852299A - Improvements to devices for shaping expandable hollow blanks : en fr
  • US2188281A - Brake control mechanism : en
  • US2188110A - Mower : en
  • AT157797B - Process for the preparation of aqueous quinidine salt solutions. : de en
  • DE687225C - Press cover for Haeckselmaschinen : de en
  • CA386519A - Rotary engine, pump or compressor : en fr
  • DE687144C - Continuously working absorption cooling apparatus with auxiliary gas : de en
  • US2187843A - Driving axle : en
  • USD118653S - Design for a tumbler : en
  • AU109553B2 - An improved reflector for use in street lighting andthe like : en
  • GB517221A - Improvements in and connected with filtering fabrics : en
  • GB517195A - Improvements in or relating to the polymerisation of symmetrical dichlorethylene : en
  • GB517130A - Improvements in the control of power operated winches : en
  • DE687134C - Fuel injection device for internal combustion engines : de en
  • DE687113C - Traffic sign : de en
  • US2187841A - Wire winding apparatus : en
  • US2188114A - Surface cleaner : en
  • FR852194A - Telescopic rivet device for binders, notebooks, etc. : en fr
  • AT157795B - Containers for holding and mixing dental amalgams. : de en
  • DE1480418U - : de en
  • FR852138A - Improvements in machines intended for the manufacture of ampoules and other hollow glass objects : en fr
  • FR852298A - Improvements in the manufacture of acetone and butyl alcohol by fermentation : en fr
  • FR852284A - : fr
  • AT157842B - Machine for tying up letters, documents or the like to bundle or tie up one or more objects. : de en
  • FR852254A - Substituted perylene-tetracarboxylic acids, vat dyes derived therefrom and processes for their preparation : en fr
  • GB517263A - Improvements relating to knitting machines : en
  • FR852181A - Improvements to protective devices against toxic gases : en fr
  • GB517296A - Improvements in or relating to electrically-controlled printer equipment : en
  • FR852073A - Improvements to tubular lamp supports : en fr
  • FR852218A - Process for the storage and release of gases : en fr
  • FR852221A - Anti-fog device and sheets and walls including application : en fr
  • FR852282A - Airtight metal containers and their vacuum closure : en fr
  • FR852176A - Airway enhancements : en fr
  • FR852192A - Machine for counting articles such as pieces of laundry or the like : en fr
  • US2187720A - Method and apparatus for continuous metal casting : en
  • US2188136A - Visual tuning indicator : en
  • DE687080C - Position feedback device for compressed air drives, especially switches : de en
  • GB517245A - Indicating or recording device for magnetic field balances : en
  • FR852258A - Improvement in the manufacture of elastic fabrics : en fr
  • US2187798A - Method of making joints : en
  • FR852135A - Improvements in methods and portable devices for photographic shots : en fr
  • DE687155C - Device for opening the mouth of animals : de en
  • GR8727B - KERSTONSTUL STRIPED JERSE FABRIC KNITTING AND KNITTING MACHINE. : el en
  • US2187917A - Water heater : en
  • DE687069C - Column stop for tab devices on typewriters or the like. : de en
  • FR852227A - Waterproof and rot-proof roofing material particularly intended for concrete structures : en fr
  • FR852296A - Fuel injection device for internal combustion engines, in particular for diesel engines : en fr
  • FR852213A - : fr
  • DE687375C - Direction finder designed as an H-Adcock system : de en
  • DE687208C - Device to eliminate the cracking noises caused by atmospheric and similar disturbances in receivers : de en
  • US2188016A - Tool dressing apparatus for bevel gear generating machines : en
  • DE687062C - nd -aethern : de en
  • DE687350C - Process for the manufacture of condensation products : de en
  • FR852044A - Trolley for making and serving meals : en fr
  • FR852031A - Process for improving the qualities of dyes obtained on cellulose fibers using substantive dyes : en fr
  • US2187954A - Air conditioner : en
  • US2188283A - Rubber product and method of producing the same : en
  • GB517115A - Improvements in or relating to the treatment of textile materials : en
  • GB517129A - Improvements in or relating to welted rib-knitted fabric and articles : en
  • GB517358A - Improvements in or relating to steam generators : en
  • DE687198C - Device for regulating the feed water supply in continuous tube steam generators : de en
  • DE687226C - Height-adjustable stand for hanging up glued flycatchers : de en
  • DE687207C - Transmitting or receiving device for television in natural colors : de en
  • US2188130A - Point forming device for the leads of pencils and the like : en
  • DE687272C - Device for limiting the angle of incidence of light in light-sensitive cells of photoelectric light meters : de en
  • DE687371C - Device for transmitting tractive forces, in particular from contact lines to masts : de en
  • US2188167A - Composition for application to textiles : en
  • FR852004A - High voltage capacitor enhancements : en fr
  • GB517353A - Manufacture of flexible fibres from casein : en
  • US2187943A - Telephone system : en
  • US2187902A - Telephone system : en
  • US2188191A - Hermetically sealed automatic closure for collapsible tubes and the like : en
  • US2188065A - Synchronization of photoflashes with focal plane shutters : en
  • GB517212A - Improvements relating to the manufacture of bullseye lenses : en
  • US2188134A - Porch shade and operating mechanism : en
  • US2187800A - Slurry drying device : en
  • AT157769B - Hydraulic aircraft jack. : de en
  • GB517346A - Manufacture of aldehydes of the cyclopentanopolyhydrophenanthrene series : en
  • DE687108C - Turbine housings, especially for gas turbines : de en
  • AU37839A - Improved valve, particularly for air or gas compressors and the like : en
  • DE687116C - Device to relieve the flexural skin used for sealing on glandless pumps or drive machines : de en
  • DE687353C - Device for regulating the armature current strength of cross-field direct current machines, in particular arc welding machines : de en
  • FR852065A - Multi-chamber mill for grinding-drying : en fr
  • US2188160A - Coloration of artificial textile and other materials : en
  • US2188257A - Machine for heat-treating metal articles : en
  • US2188107A - Rotary drilling rig : en
  • DE687235C - Process for the production of fiber bodies : de en
  • US2187794A - Compensating attachment for milling machines : en
  • US2187958A - Hot box alarm : en
  • DE687143C - Device for monitoring the operating status of steam or gas turbines : de en
  • FR852279A - Improvements to adjustable supports for tool holders : en fr
  • US2187900A - Feeding and aligning device : en
  • AT157786B - Device for the photographic recording and reproduction of moving processes. : de en
  • CA386509A - Adjustable fabric article : en fr
  • FR852203A - Improved printing on foils or metallic papers : en fr
  • DE687137C - Method for dewatering material webs, especially paper and the like. Like., By means of a suction roll with rotating roll cells : de en
  • DE687254C - Arrangement at signal boxes for route and signal setting for form or light signals : de en
  • GB517173A - Improvements in or relating to instrument transformers : en
  • CA386465A - Crown cap spotting method : en fr
  • DE687267C - Thread monitor device for warp knitting machines : de en
  • DE687328C - Egg divider : de en
  • US2187966A - High speed brake : en
  • DE687117C - Leak test device for valves, especially for valves of gas protective masks : de en
  • GB517256A - Improvements in letter and loose-leaf files : en
  • FR852162A - heat exchange element comprising loop-shaped or u-shaped tubes connected to a collecting member : en fr
  • GB517196A - Improvements in or relating to the production of urea-formaldehyde condensation products : en
  • GB517318A - Improvements in or relating to means for distributing electric current : en
  • US2188082A - Bumper for vehicles : en
  • GB517266A - Improvements in or relating to the manufacture of game balls : en
  • GB517215A - Improvements in plate heat exchange apparatus for fluids : en
  • GB517289A - Method and arrangement for suppressing high voltage peaks which become superimposed upon a transmission through disturbances in wireless reception : en
  • DE686948C - Autonomous copy milling machine : de en
  • GB517309A - Improvements in, or relating to, fittings for controlling the flow of fluids : en
  • US2187864A - Method of making composite bearing strips : en
  • US2187782A - Thermionic tube modulator : en
  • US2187810A - Glare shield eyeglass : en
  • FR852172A - Clutch : en fr
  • GB517305A - Improvements in or relating to the manufacture of bricks or the like : en
  • AT157804B - Device for the transmission of modulated carrier waves. : de en
  • AT157798B - Arrangement for shielding amplifiers, especially high-frequency amplifiers for broadband systems. : de en
  • US2188108A - Adjustable cam : en
  • US2187769A - Container and blank therefor : en
  • US2187858A - Method of producing impregnating compositions : en
  • US2188187A - Emergency governing apparatus : en
  • FR852072A - Apparatus for opening tire casings : en fr
  • GB517276A - Manufacture of ª‡-dicarbonyl compounds of the cyclopentanopolyhydrophenanthrene serie : en
  • FR852021A - Distributor for internal combustion engine ignition devices : en fr
  • FR852161A - Hand cart for transporting goods : en fr
  • FR852019A - : fr
  • FR852164A - Improvements in photoelectric devices for recording and reproducing sound : en fr
  • GB517238A - Improved variable-speed gearing, more particularly for motor cycles : en
  • GB517155A - Improvements in and relating to tyre connectors : en
  • FR852017A - Improvements to devices for simultaneous transmission of several signals on the same frequency : en fr
  • FR852023A - Refrigeration apparatus and methods : en fr
  • FR852057A - Improvements with rice straw brooms called: sorghum : en fr
  • GB517174A - Improvements in or relating to the manufacture of chlorine and alkali metal nitrates : en
  • GB517211A - Improvements in or relating to extinguishers for cigarettes and the like : en
  • CA386430A - Hot air furnace : en fr
  • FR852084A - Retractable landing gear for airplanes : en fr
  • CA386440A - Capped container sealing machine : en fr
  • CA386485A - Hydraulic shock absorber : en fr
  • FR852238A - Bearing puller : en fr
  • US2187856A - Internal combustion engine : en
  • FR852028A - Improvements to telecommunications cables : en fr
  • GB517280A - Improvements relating to the disposition and cooling of the internal-combustion engines of motor-vehicles : en
  • DE687365C - Steep index : de en
  • US2187949A - Pyrometer tube : en
  • DE687159C - Process for making water-soluble cellulose ethers insoluble : de en
  • FR852131A - Substantive azo dyes and their production process : en fr
  • FR852011A - Electrogalvanic soles : en fr
  • US2187913A - Refrigerated container : en
  • US2187916A - Refrigerator : en
  • GB517301A - An improved soil cultivating tool : en
  • GB517362A - Improvements in or relating to adjusting or selecting means for electric wave signalamplifiers : en
  • US2187832A - Follower for card drawers or the like : en
  • US2187981A - Mowing machine : en
  • GB517124A - Improvements in or relating to pumping apparatus : en
  • GB517281A - Improvements relating to motor-vehicle chassis : en
  • CA386463A - Abrasive wheel : en fr
  • US2187938A - Shock absorber hub : en
  • US2188151A - Pen and pencil clip : en
  • DE687135C - Resilient ring coupling : de en
  • DE687084C - Device for balancing three-phase networks : de en
  • GB517332A - Improvement in olefine oxidation and catalyst therefor : en
  • DE687118C - Resilient connection between two aircraft components : de en
  • DE687188C - Ring or frame-shaped pit or tunnel lining made of rolled profile iron : de en
  • FR852068A - Keyboard mechanism, especially for small pianos : en fr
  • FR852233A - Boxing games improvement : en fr
  • US2187739A - Fluid pressure reducing valve : en
  • US2187852A - Fracture nail and fracture nail driver : en
  • US2188161A - Box closing tool : en
  • USD118685S - Design for a dress : en
  • US2188242A - Thread throwing machine : en
  • GB517203A - Improved apparatus for playing a table football, ice-hockey, or the like game : en
  • AT157843B - Alarm device for securing bicycles u. Like. Against theft. : de en
  • FR852158A - Short focal length magnetic lens for electron microscopes : en fr
  • FR852139A - Process for the preparation of artificial resins and products obtained by this process : en fr
  • FR852278A - Rear wheel elastic suspension for two wheel motorcycles : en fr
  • GB517118A - Improvements in and relating to improved steels and the application thereof : en
  • US2188138A - Metal alloy : en
  • DE687228C - Arrangement of fuel injection pump and regulator for internal combustion engines on a common support piece : de en
  • US2188052A - Hinge structure : en
  • US2188288A - Arrangement for generating tilting oscillations : en
  • US2188170A - Armature : en
  • US2187756A - Metal heel : en
  • US2188057A - Process fob catalytic conversion of : en
  • DE687140C - Device for the implementation of mold fermentation on solid soil : de en
  • US2187809A - Accordion : en
  • US2187896A - Ashtray : en
  • USD118626S - Design for a prismatic pendant : en
  • US2187952A - Fender guard : en
  • GB517252A - A new or improved process for the production of toys, dolls and other articles : en
  • US2188038A - Vernier microscope : en
  • FR852003A - Tube fitting : en fr
  • FR852261A - Winding device of the spring operating mechanism of toy vehicles : en fr
  • FR852070A - Improvements to molding presses : en fr
  • FR852232A - Boxing game : en fr
  • FR852252A - : fr
  • FR852225A - Mixing valve : en fr
  • USD118616S - Design for a sandal : en
  • DE687050C - Detaching flushing device with lifter : de en
  • DE687269C - Gear air pump for motor vehicles : de en
  • US2188081A - Ornamental tree : en
  • USD118689S - Design for a support for displaying : en
  • CA386457A - Glass rod and tubing severing apparatus : en fr
  • AT157796B - Storage table for X-ray purposes. : de en
  • US2187912A - Road anchoring means : en
  • US2188217A - Tooth brush : en
  • US2187804A - Barrel manufacture : en
  • AT157788B - Motion picture projector, especially for cine films. : de en
  • USD118669S - Design for a dress : en
  • US2187822A - Manufacture of pigments : en
  • US2188050A - Window structure : en
  • US2188223A - Buffing and polishing machine : en
  • DK57195C - Device for Centrifuge Holders. : da en
  • US2187823A - Condensation products of ethers of alkylol amines : en
  • US2187734A - Wax covering for food products : en
  • US2188105A - Lubricating mechanism for recipro : en
  • US2187880A - Threadless pipe connector : en
  • US2188074A - Wheel puller : en
  • CA386468A - Can end coating machine : en fr
  • DE687315C - Method for maintaining a high level of sliding friction between impeller and rail : de en
  • AU109523B2 - Improvements in and relating to hat blocks : en
  • AT157771B - Impact fuse. : de en
  • AT157790B - Facility for voting recipients, especially for remote voting. : de en
  • CA386472A - Shoe manufacture : en fr
  • CA386480A - Paper board basket : en fr
  • US2188226A - Method of casing ferrous articles : en
  • US2187925A - Manifold form set : en
  • US2188186A - Discharge device : en
  • US2188216A - Faucet : en
  • DE687340C - Watercraft : de en
  • AU296639A - Improved sealing ofan object consisting of tungsten into glass : en
  • CA386411A - Exerciser : en fr
  • AU109590B2 - An appliance for mixing materials ina dry or liquid or semiliquid state : en
  • USD118670S - Design for a dress ensemble : en
  • USD118630S - Design foe a detachable towel rack : en
  • CA386488A - Parachute flare signal : en fr
  • AT157822B - Process for the saccharification of wood. : de en
  • AU109521B2 - Temperature compensation means for pressure actuated indicators : en
  • AT157812B - Setup with cathode ray tube. : de en
  • GB517357A - Improvements relating to a method and means for generating heat by exothermic chemical action applicable to the waving of hair and analogous processes : en
  • USD118625S - Design for a motion picture pro : en
  • US2187758A - Bed motion : en
  • FR852198A - Refractory product based on dolomite and chromite : en fr
  • AU300039A - Improvements in or relating to electrically actuated fire preventing and extinguishing systems for use upon multi-engined aircraft and to devices for use in such systems : en
  • AT157782B - Detonator parts for twist projectile detonators. : de en
  • DE687083C - Liquid-cooled resistance : de en
  • DE687166C - Mobile, tiltable steam barrel : de en
  • DE687247C - Ventilation device for waterproof clothing : de en
  • AU547938A - Improvements an methods and machines for the production of moulded bodies : en
  • CA386500A - Fibre mat coating apparatus : en fr
  • US2187859A - Process and apparatus for conditioning commodities : en
  • US2188262A - Diesel fuel : en
  • FR852126A - Improvements to portable motor-driven tools : en fr
  • FR852246A - Multiple ignition device : en fr
  • CA386447A - Furniture caster : en fr
  • AU109549B2 - Improvements in and relating tothe manufacture of milk powder : en
  • DE687148C - Concentric, air-space-insulated high-frequency cables : de en
  • US2188083A - Extendible slotted deflector flap : en
  • US2188228A - Blind stitch sewing machine : en
  • US2187761A - Sleep control alarm : en
  • US2187898A - Harrow attachment for drills : en
  • DE687304C - Cinema equipment : de en
  • US2187831A - Overdrive indicator : en
  • US2188072A - Liquid fuel converter : en
  • USD118652S - Design for a tumbler : en
  • US2188096A - Convertible car for railway and highway use : en
  • USD118676S - Design for a basket : en
  • US2187944A - Telephone system : en
  • AU109525B2 - Improvements in or relating to electrically actuated fire preventing and extinguishing systems for use upon multi-engined aircraft and to devices for use in such systems : en
  • DE687295C - Switching device, consisting of an oilless circuit breaker and a disconnector with a common drive : de en
  • US2187834A - Magnetic valve : en
  • DE687299C - Fastening of formwork supports for the construction of concrete structures : de en
  • US2187820A - Separation of aromatic amines from iron sludge : en
  • DE675070C - Device for refreshing color ribbons for typewriters u. like : de en
  • GB517180A - Improvements in or relating to variable-gain amplifying systems : en
  • AT157837B - Telecommunication and signal line. : de en
  • DE687263C - Vapor or gas-filled discharge vessel with arc-like discharge, glow cathode and control grid : de en
  • US2187774A - Electric discharge lamp adapted for use as source in optical projection apparatus : en
  • DK57179C - Overlay receiver suitable for Shortwave reception. : da en
  • FR852210A - Process for the production of potassium nitrate from ammonium nitrate and industrial potassium chlorides or sylvinite : en fr
  • FR852098A - Elastic coupling for machine shafts : en fr
  • GR8733B - FOUNTAIN PEN. : el en
  • AU109566B2 - Improvements in thermionic valve circuits : en
  • CA386467A - Crown cap spotting apparatus : en fr
  • DE687187C - Lockable zipper slider : de en
  • DE687323C - Corrugated cover lens for an electric motor vehicle headlight : de en
  • GB517267A - Improvements in or relating to lighting fittings : en
  • GB517244A - A fastener for power transmission belts : en
  • GB517355A - Improvements in or relating to electric current converters : en
  • GB517360A - Improvements in or relating to steam generators : en
  • GB517331A - Improvements connected with the catapulting of aircraft : en
  • DE687257C - Process for the production of a double metal contact wire intended for electric railways : de en
  • US2188024A - Fowl holder : en
  • US2188099A - Adhesive : en
  • USD118639S - Design foe a serving dish : en
  • CA386453A - Pig iron production : en fr
  • FR852281A - Improvements to disc brake devices for railway vehicles : en fr
  • GB517149A - Improvements in or relating to refrigerators, ice-boxes and like heat-insulated chambers : en
  • GB517178A - Improvements in or relating to air velocity measuring instruments : en
  • FR852224A - Process for making thermally economical use of waste heat from a household waste incineration plant and installation for implementing this process : en fr
  • FR852166A - Method and apparatus for producing continuous photographic prints : en fr
  • GB517199A - Improvements in roller shutters : en
  • US2187924A - Flexible hanger : en
  • US2187951A - Telephone system : en
  • DE687060C - Gun equipment for aircraft : de en
  • DE687209C - Switching arrangement to facilitate the tuning of a radio receiver : de en
  • FR852167A - Piston for helical piston machines : en fr
  • GB517253A - Improvements in combinations of electric discharge devices and means for operating them from a.c. mains : en
  • GB517343A - Improvements in and relating to anti-dazzle devices for the headlights of road vehicles : en
  • DE686947C - Autonomous copier : de en
  • FR852123A - Universal moistening device : en fr
  • GB517293A - Improvements in or relating to rotary blowers : en
  • GB517143A - Improvements in or relating to the production of formamide derivatives : en
  • US2187931A - Fluid compressor construction : en
  • FR852008A - : fr
  • FR852086A - Improvements in flexible couplings : en fr
  • AU244339A - Improvements relating tothe production of yeast : en
  • CA386456A - Gaseous electric discharge device : en fr
  • US2187932A - Head frame for supporting eyeshields : en
  • US2187759A - Bed motion : en
  • DE687290C - ow and air outlet covered by filter : de en
  • US2187773A - Seal press : en
  • DE687348C - Process for plating solid or hollow profiles on the extrusion press : de en
  • GB517137A - Improvements in and relating to setting compositions containing calcined magnesite : en
  • GB517326A - Improvements in and relating to locking means for use in connection with control levers and other operating devices : en
  • FR852095A - Adjustment device for circulation boilers : en fr
  • US2188254A - Concentration of aqueous alkene halohydrin solutions : en
  • US2187873A - Flexible wire tubing : en
  • USD118683S - Design for a christmas tree : en
  • DE686986C - Process for the recovery of lower aliphatic acids from their aqueous solutions : de en
  • GB517321A - Improvements relating to methods of and means for effecting pressure and temperatureor density corrections in venturi type and other differential pressure flow meters : en
  • DE687206C - corner : de en
  • DE687259C - Plug-in device for the connection lines of portable electrical equipment such as motors : de en
  • GB517220A - Improvements in electrically heated cigar and like lighters : en
  • FR852264A - Method of synchronizing television transmissions : en fr
  • DE687223C - Process for impregnating freshly juiced stems : de en
  • CA386477A - Nitric acid concentration : en fr
  • FR852190A - Heating device for vehicles with combustion or explosion engines : en fr
  • FR852033A - Process for reducing carbohydrates of the starch group and resulting products : en fr
  • DE687076C - Low-voltage electrical cable with insulation made of alkali-silicate-soaked asbestos : de en
  • DE687195C - Device for carrying out the process : de en
  • GB517233A - Improvements in annealing box alloys : en
  • GB517258A - Improvements in the manufacture of paper : en
  • DE687265C - Secondary electron multiplier : de en
  • DE687200C - Device for cooling steam or gas turbines which are driven by a motor while they are on standby : de en
  • AT157809B - Double-lobed clamp for any cables. : de en
  • US2187770A - Cleaning apparatus : en
  • US2188169A - Time measuring mechanism : en
  • AU109522B2 - Improvements in electric discharge devices : en
  • FR852038A - Device for the manufacture of tapes of artificial fibers capable of being stretched : en fr
  • AT157758B - Device for supporting the skis when carried. : de en
  • DE687046C - Table tennis racket : de en
  • US2188275A - Heat treatment of metals : en
  • US2187964A - Valve : en
  • AT157792B - Circuit for coupling two electrical circuits. : de en
  • CA386503A - Screen : en fr
  • US2188180A - Expanded farinaceous cereal and process of making the same : en
  • AU109552B2 - A process for the recovery of potassium salts from solutions : en
  • US2187994A - Walnut huller : en
  • AU109573B2 - Improvements inthe manufacture of frames for kit bags and articles of like nature having metal frames : en
  • CA386486A - Hydraulic shock absorber : en fr
  • DE687282C - Adjustable chisel support body for roll lathes : de en
  • DE687314C - Hydraulic drive for pumps or compressors, especially cold compressors : de en
  • DK57189C - Method for Manufacturing Capacitor Electrodes. : da en
  • FR852137A - Teaching and training device for shooting : en fr
  • FR852257A - Device for detecting the electrical state of a gaseous medium : en fr
  • GB517339A - Improvements in or relating to the production of capillary active substances : en
  • AU109534B2 - Improved mechanism for pitting fruit : en
  • GB517209A - Improvements relating to metallic conduits for electric conductors : en
  • US2187789A - Fluid pressure brake system : en
  • FR852061A - Method and apparatus for the use of aerodynamic forces : en fr
  • AU109536B2 - Machine for forming and welding helical joint metal pipes : en
  • CA386505A - Vehicle heating system : en fr
  • FR852006A - : fr
  • USD118671S - Design for a light projecting : en
  • AU109540B2 - Improvements in hairdressing tool : en
  • US2187877A - Process for spray drying thermoplastic resins : en
  • US2187731A - Flame cutting method and machine : en
  • AU109588B2 - A process for rendering artificial fibres produced from casein suitable for dyeing with chrome colours, and the product thereof : en
  • GB517324A - Improvements in and relating to the production of bases for lacquers, plastics and like materials and the products produced therefrom : en
  • US2188233A - Automatic transmission : en
  • USD118651S - Design for a tumbler : en
  • FR852005A - Method and device for the treatment of ores : en fr
  • FR852055A - Multi-air distribution fuel distribution tab : en fr
  • FR852152A - Process used for sealing and dyeing protective oxide layers on magnesium and magnesium alloys : en fr
  • GB517218A - An improved machine for turning wood and like materials : en
  • US2188127A - Banjo : en
  • AT157844B - Luminous screen electric discharge tube and process for their manufacture. : de en
  • GB517291A - Improvements in grinding, buffing, polishing, boring, milling and like machines : en
  • US2187853A - Dyestuff-sulphonic acids of the dioxazine series : en
  • GB517234A - A device for use in the tuition of voice production : en
  • GB517295A - Improvements in or relating to sealing means for rotating shafts of pumps : en
  • AU109518B2 - Improvement in composite metal : en
  • US2187953A - Photographic camera : en
  • DE687105C - Device for cooling spherical rotary valves for controlling internal combustion engines : de en
  • DE687218C - Sterilization device with a heatable sterilization container and a refilling device : de en
  • SE97846C1 - Device for stiffening the bearing box halls in passenger car bogies : en sv
  • GB517119A - Improvements in or relating to method of and apparatus for locating defects in a magnetic article : en
  • US2187796A - Frame structure for handbags, luggage, and the like : en
  • US2187890A - Continuous solvent extraction apparatus : en
  • US2188208A - Shingle : en
  • FR852247A - Fuel injection device for internal combustion engines, in particular for diesel engines : en fr
  • US2188211A - Tire tool : en
  • FR852083A - Process for preparing substances containing iron and silicic acid, in particular ores poor in iron and rich in silicic acid : en fr
  • DE687253C - Device to prevent vehicles from locking up : de en
  • FR852207A - Improvements to devices preparing the elimination of foreign bodies in the webs which occur in the spinning of textile wicks, known as purifying devices : en fr
  • GB517172A - Improvements in or relating to tubular containers for cigars and other articles : en
  • FR852047A - : fr
  • DE687139C - Fire capsule with stroke limiter flange : de en
  • FR852056A - Device to print in color with aniline : en fr
  • US2187885A - Carburetor : en
  • GB517116A - Improvements in or relating to heating and cooling systems : en
  • GB517161A - Improvements in or relating to packaging : en
  • SE97848C1 - Bandpass filter with variable bandwidth : en sv
  • US2188018A - Dehydration system for oil wells : en
  • AT157765B - Metal road for bad soil and heaviest loads. : de en
  • CA386517A - Self-propelled road machine : en fr
  • DE687074C - Method for filling magnet systems of separately excited dynamic loudspeakers : de en
  • DE687312C - in accordance with the liquid content : de en
  • GB517235A - Improvements relating to means for driving horse clippers and the like : en
  • US2187814A - Adjustable harness mechanism : en
  • US2188090A - Joint for asbestos shingles or siding : en
  • USD118641S - Design for an ikoning machine : en
  • USD118646S - Design for a combination winding : en
  • CA386425A - Garter, girdle and brassiere : en fr
  • US2187984A - Wall hanger for radiators : en
  • AT157780B - Storage container for hood masks. : de en
  • CA386459A - Dynamo-electric machine excitation system : en fr
  • DE687249C - Book or notebook with protection against exchange of pages : de en
  • US2187894A - Eraser holder : en
  • US2187833A - Bean cutter : en
  • FR852242A - Improvements in fish preparation : en fr
  • GB517246A - Improvements in and relating to speed governing mechanism : en
  • US2187746A - Machine for aerating water : en
  • US2188001A - Pipe line coating machine : en
  • CA386436A - Alkali metal and hydroxide production : en fr
  • CA386504A - Rubber boat fender : en fr
  • DE687331C - Roestofen : de en
  • DE687337C - Square block for punching according to the Ehrhardt method : de en
  • US2187975A - Thermal protective switch : en
  • US2188273A - Polymerization of drying oils : en
  • US2187909A - Yarder mounting : en
  • AU260239A - Improvements in and connected withthe fastenings of doors, gates andthe like : en
  • US2187825A - Manufacture of shoe heels : en
  • USD118643S - Design for display card : en
  • US2188025A - Corrosive resistant chain and drive : en
  • US2187879A - Roadway marking : en
  • US2188173A - Transformer tap changing circuit : en
  • DE687205C - Image splitting tube in which a bundle of electrons corresponding to the brightness values of the image is drawn over a scanning opening by deflection fields : de en
  • FR852277A - : fr
  • DE687107C - Four-stroke internal combustion engine with flushing and utilization of the flushing agent and the exhaust gases : de en
  • DK57180C - Radio reception switch with automatic bandwidth control. : da en
  • AT157839B - Process for the production of a batter for baked goods. : de en
  • US2188166A - Spark plug : en
  • US2188182A - Arch supporting shoe : en
  • AT157849B - Nail with attached washer. : de en
  • DE687170C - Reflector for illuminating direction indicators, especially for bicycles and motorcycles : de en
  • DE687336C - Device for working in a screw thread : de en
  • AU109544B2 - Improvements in electric vacuum cleaners : en
  • AU109557B2 - A stand or holder for the spraying end of a garden hose or the like : en
  • AU109527B2 - Improvements in or relating to permanent magnets and process of treatment ofthe alloys for such magnets : en
  • US2188235A - Planter : en
  • DE687127C - Pendulum protection for clocks with key lift : de en
  • DE687333C - Process for recovering copper from low concentration alkaline solutions : de en
  • USD118684S - Design fob a fork : en
  • US2188155A - Method of annealing steel : en
  • US2188248A - Valve for combustion motors : en
  • FR852117A - Improvements in the molding of continuous plates from plastic masses : en fr
  • CA386479A - Wire spooling or reeling apparatus : en fr
  • US2188135A - Connector with washer cap : en
  • AU179639A - Improvement in composite metal : en
  • AU109575B2 - Improvements in and connected withthe fastenings of doors, gates andthe like : en
  • US2187995A - Device for setting and holding pins for games : en
  • AU8339A - Improvements in or relating to safety blasting and like operations with charges containing alkali metal nitrite-ammonium salt mixtures and to blasting devices charged with such mixtures : en
  • US2187999A - Attachment for keyboard type musical instruments : en
  • DE687149C - Switching mechanism for motorized sequence controls : de en
  • US2188029A - Cultivator : en
  • USRE21334E - Check valve : en
  • US2188222A - Binding means : en
  • US2188023A - Weather strip : en
  • AT157826B - Darkening and dimming devices for electric light sources for air protection purposes. : de en
  • CA386421A - Centrifugal pump : en fr
  • USD118615S - Design foe a house numbek sign : en
  • US2188232A - Pencil clip : en
  • AT157819B - Process for the photomechanical production of printing forms for doctor blade gravure printing. : de en
  • US2187791A - Brush making machine : en
  • US2188005A - Method of and apparatus for relieving gear cutters : en
  • US2187906A - Thermal relief valve : en
  • US2187927A - Device for dispensing liquids, granulated products, and the like : en
  • DE687158C - Radiator made of pipes : de en
  • US2188128A - Gasoline turbine : en
  • US2188179A - Method for improving the flavor of coffee : en
  • GB517181A - Improvements relating to electrical circuits for separating different kinds of signal impulses, particularly applicable to synchronising in television : en
  • GB517342A - Improvements in or relating to antennas : en
  • FR852143A - Process for making dehydrated borax by multi-phase heating of crystallized borax : en fr
  • FR852034A - Improvements to Circuit Devices Including Cathode Ray Oscillographs : en fr
  • FR852088A - Mounting of a shock absorber for damping fluctuations in rotational torque on motorcycles with a transmission mechanism attached directly to the engine housing : en fr
  • FR852229A - Process for separating butadiene from hydrocarbon gas mixtures : en fr
  • US2187962A - Combination precision grinder and caliper : en
  • US2188015A - Process for the refining of lignite tar, shale tar, peat tar, and the like : en
  • GB517337A - Improvements in or relating to the production of water-repellent fibrous materials : en
  • DE687308C - Stocking with suspender loop : de en
  • FR852111A - Safety device for projectile rockets and similar applications : en fr
  • GB517216A - Improvements relating to veterinary obstetric instruments : en
  • GB517363A - Improvements in or relating to piston machines : en
  • US2188286A - Laminated rubber gasket : en
  • FR852195A - Two-stroke combustion engines : en fr
  • FR852280A - Advanced seal for ceramic materials : en fr
  • DE687103C - Device for internal combustion engines according to patent 531494 with utilization of the atomization of the : de en
  • US2187721A - Three-dimensional article formed of sheet material : en
  • US2187862A - Flier construction : en
  • US2188252A - Justifying and variable spacing typing machine : en
  • US2187955A - Press and clutch therefor : en
  • FR852202A - Improvements made to ski attachments : en fr
  • US2187741A - Treatment of heavy hydrocarbon material : en
  • US2188203A - Aluminum base alloy : en
  • DE687078C - Low-fluid switch with arc extinguishing : de en
  • FR852030A - Process for improving the fastness of dyes to light : en fr
  • US2188131A - Cutting attachment for combs : en
  • AT157766B - Twin wheel for motor vehicles. : de en
  • DE687136C - Baeder and process for the electrodeposition of metals : de en
  • FR852108A - Improvement in the manufacture of sheet glass by vertical drawing : en fr
  • US2187836A - Method of and apparatus for manufacturing pottery ware : en
  • FR852144A - Hanging device for chains, etc. : en fr
  • US2187920A - Foot treating device : en
  • FR852262A - Device on tachographs for indicating and recording the momentary value of the pressure of a fluid : en fr
  • GB517344A - Improvements in or relating to agricultural machines : en
  • US2188192A - Method of and apparatus for fermenting solutions : en
  • US2187765A - Stereoscope apparatus : en
  • FR852156A - Method of fixing metallic coatings of non-ferrous metals on cast iron parts, and in particular cast iron bearing shells : en fr
  • GB517240A - Improvements in and relating to railway carriages and the like : en
  • DE687119C - Caster for cart : de en
  • FR852049A - Advanced detergent and disinfectant blend : en fr
  • DE687168C - Cinema cassette device : de en
  • US2188124A - Pump point : en
  • US2187732A - Fuel injection pump for diesel engines : en
  • AU329339A - Improvements in water-heating and distilling apparatus : en
  • US2187972A - Pumping apparatus : en
  • DE687303C - Photographic camera with electric light meter : de en
  • US2188056A - Shirt : en
  • US2188100A - Telemetric system : en
  • US2187762A - Ventilating louver for cooking utensils : en
  • US2187904A - Light-reflecting and sound-transmitting motion picture apparatus : en
  • US2188120A - Tire chain tightener : en
  • US2187829A - Communication system : en
  • CA386511A - Commodity quotation system : en fr
  • US2187968A - Transmission mechanism : en
  • US2188255A - Cutting lubricant : en
  • US2188229A - Work support for blind stitch sewing machines : en
  • CA386512A - Composite floor : en fr
  • US2188267A - Combined body and chassis underframe : en
  • GB517198A - Improvements in or relating to photoelectric cells : en
  • DE687379C - Process for the production of an electrical resistance heater : de en
  • AT157808B - Compressor for gases and vapors with air cooling. : de en
  • US2187742A - Lubricant : en
  • US2188118A - Radial connecting rod assembly : en
  • DE687095C - Device for hardness testing of water : de en
  • GB517140A - Improvements in and relating to machines for grinding the surfaces of tiles and similar articles in plate form : en
  • US2188084A - Resilient rail spike : en
  • GB517182A - Improvements in or relating to piston machines : en
  • AU279539A - Improvements in apparatus forthe manufacture of concrete pipe and like reinforcements : en
  • DE687378C - Rotatable plate-shaped X-ray tube anode made of heavy-duty material : de en
  • US2187960A - Dead line fastener and clamp for derrick lines and the like : en
  • US2188059A - Apparatus for timing watches : en
  • DE687194C - Vertical smoldering furnace : de en
  • US2187855A - Endgate : en
  • DE687306C - : de en
  • FR852244A - Improvements in protective products against toxic gases : en fr
  • GB517190A - Improvements in or relating to servomotors : en
  • GB517170A - Improvements in or relating to television receiving systems : en
  • GB517239A - Improvements in or relating to locks : en
  • US2187849A - Fishing pole : en
  • GB517359A - Improvements in or relating to steam generators : en
  • DE687203C - Protective grille for the window of sliding doors, especially on electric locomotives : de en
  • FR852069A - Filling device for motor vehicle axles and gearboxes : en fr
  • AU8739A - Improved manufacture of derivatives of phenanthridine : en
  • FR852097A - Improvements to devices for detecting malfunctions for electric discharge rectifiers in steam : en fr
  • DE687086C - Overpressure vapor discharge lamp with fixed glow light than 20 atmospheres : de en
  • DE687264C - Electron tubes with an electrode system in which one or more electron bundles emerge through openings in a plate-shaped protective electrode and meet a grid-shaped electrode located behind these openings : de en
  • AT157811B - Device with an electric discharge tube. : de en
  • AU109547B2 - Improvements in or relating to feeding device for rock drills : en
  • AT157847B - Device for pouring milk through a door opening. : de en
  • CA386526A - Shoe manufacture : en fr
  • AT157815B - Snap lock to be attached to the inside of the door. : de en
  • AU109537B2 - Improvements in coin testing apparatus : en
  • US2187893A - Table top structure : en
  • USD118673S - Design for : en
  • USD118675S - Design for a dress ensemble : en
  • AT157753B - Filling pencil. : de en
  • CA386484A - Television transmitting apparatus : en fr
  • DE687230C - Flow transmission : de en
  • DE687367C - Lining of apparatus and vessels against chemical influences : de en
  • US2187899A - Dental floss throw-away unit : en
  • CA386426A - Lubricator locating device : en fr
  • CA386498A - Electric furnace : en fr
  • AU109535B2 - Improved movable roof for sheep-feeders : en
  • US2187812A - Vat dyestuff of the quinazoline series : en
  • DE687075C - : de en
  • DE687190C - Bearings for the rolls of rolling mills : de en
  • DE687339C - Holding device for crown caps : de en
  • CA386471A - Plough : en fr
  • CA386473A - Electrical insulating material : en fr
  • US2187850A - Boiler : en
  • US2187991A - Sinker : en
  • DE687349C - Method of securing fabrics to slide : de en
  • GB517361A - Improvements in radio aerials : en
  • AU55839A - Heat exchange device : en
  • FR852201A - Improvements to direction change indicator devices for vehicles : en fr
  • DE687360C - Rotating shears for large lengths of rolled material : de en
  • CA386487A - Terpene ether : en fr
  • FR852267A - Process for the extraction of cellulose contained in lignified fibrous materials : en fr
  • USD118614S - Design for a bread tube for receiving : en
  • GB517139A - Improvements in and relating to moulds for the production of grooved tiles or plates : en
  • FR852193A - New process for obtaining all cast iron parts with internal threads relating to electrical equipment : en fr
  • DE687077C - High voltage switch : de en
  • US2187787A - Valve : en
  • US2188204A - Bituminous mixture : en
  • GB517285A - Improved method of and means for producing shank stiffeners for shoes, boots and like footwear : en
  • FR852293A - System for screwing two cylindrical bodies into one another with insertion of balls or other rolling members replacing the screw thread, and jack established according to this system : en fr
  • GB517345A - Apparatus for stamping photographic papers : en
  • US2187848A - Permanently stiffened collar and the like : en
  • FR852062A - Sight adaptable to various weapons : en fr
  • GB517134A - Improvements in electric cooking apparatus : en
  • GB517319A - Improved process for the production of baked products from yeast-raised doughs : en
  • FR852147A - Skein textile dyeing machine with bath circulation, in both directions by motor unit : en fr
  • US2187757A - Method of manufacturing kitchen utensils : en
  • US2188163A - Shower curtain holder : en
  • US2188011A - Steaming pressing iron : en
  • GR8731B - TRIANGULAR MULTIPLICATION BOARD. : el en
  • FR852292A - Method and device for the automatic feeding of furnaces for the manufacture of glass fibers and yarns : en fr
  • USD118634S - Design fob a shoe or similar article : en
  • GB517148A - Improvements in or relating to ore jigs : en
  • GB517347A - Improvements in or relating to the manufacture of discs or bodies for vehicle wheelsor the like : en
  • DE687248C - Device for steam extraction in the case of cylinder steam deficiencies : de en
  • GB517350A - Improvements in and relating to glazing bars : en
  • DE687058C - With powder discharge, propellant and flame dissipation : de en
  • FR852087A - Powder box, hermetically sealed and tamper-evident : en fr
  • US2188123A - Manhole cover : en
  • US2188032A - Line supporting device and installation : en
  • CA386431A - Bi-focal lens : en fr
  • US2187868A - Liquid dispensing apparatus : en
  • USD118623S - Design for a poker chip : en
  • US2187887A - Card holding attachment for writing machines : en
  • US2188066A - Apparatus for injecting foam stabilizing solutions : en
  • US2188148A - Rotary printing press : en
  • US2188282A - Wrapper mechanism : en
  • FR852120A - : fr
  • FR852058A - Manufacturing process for luminescent substances : en fr
  • US2187878A - Collar welding jig : en
  • US2188164A - Ground potential compensator : en
  • US2187992A - Method and machine for grooving shaving gears : en
  • USD118686S - Design fob a dress : en
  • US2187928A - Burgiar alarm and trap : en
  • FR852059A - Dental ceramic furnace : en fr
  • DE687326C - Needle bar for flat weft knitting machines : de en
  • US2187959A - Hollow wall structure : en
  • US2188085A - Accordion construction : en
  • US2188112A - Pneumatic tire switch : en
  • AU228239A - Improvements in cream or milk cans andthe mode of manufacture thereof : en
  • US2187816A - Salt of phthalocyanine sulphonic acid : en
  • US2187998A - Upper cylinder lubricator : en
  • US2188227A - Tube holder : en
  • US2187946A - Apparatus for controlling flow of air to radiators : en
  • CA386514A - Drying apparatus : en fr
  • US2187838A - Valve removing tool : en
  • US2188102A - Sulphur dyestuffs : en
  • US2187779A - Atomizing nozzle : en
  • US2187802A - Lubricating oil and lubrication therewith : en
  • DE687284C - Device for applying a uniform coating to a moving web, in particular a paper web : de en
  • US2188209A - Means for connecting frame members : en
  • FR852018A - Eccentric billiards : en fr
  • AT157794B - Overlay Receiver. : de en
  • US2187726A - Stoker : en
  • GB517176A - Pull-down broaching machines : en
  • DE687179C - Electrically heated hotplate : de en
  • FR852228A - Automatic retrieval reel for angling : en fr
  • US2187988A - Means for extinguishing burning motion picture films : en
  • FR852046A - : fr
  • DK57186C - Flow Tap for Regulating a Fluid Flow. : da en
  • AT157820B - Process for the production of lubricating oils. : de en
  • US2187828A - Sole pressing machine : en
  • US2188119A - Centralizer and protector for an oil well string : en
  • GB517208A - Improvements in or relating to spring suspensions for the wheels of bicycles and other single track vehicles : en
  • FR852025A - Electric feedthrough for vacuum furnaces for annealing and melting : en fr
  • DE685683C - Oil burner with incrementally stacked rotating atomizer beakers : de en
  • US2187743A - Granular coated article : en
  • AT157831B - Toy stove. : de en
  • GR8724B - METHOD OF NEW TYPE OF FLOOR LAYING. : el en
  • USD118617S - Design for a sandal : en
  • US2188045A - Method of separating high molecular mixtures : en
  • US2188277A - Acetylene generator : en
  • DE687089C - Potash water glass putty : de en
  • DK57187C - Device by Check Valves for Water Pipes or Other Pipelines. : da en
  • AT157828B - System for playing back picture or picture sound films. : de en
  • US2187826A - Machine for cutting shoe treeing sticks : en
  • CA386455A - Electric discharge lamp : en fr
  • AT157787B - Film guidance for cinematographic apparatus, in particular for cine films. : de en
  • AU299439A - Improvements in and relating tothe treatment of fibre-containing stalks : en
  • DE687174C - Wooden, curved pit construction part assembled in layers for individual construction frames : de en
  • FR852121A - Tube with protective internal coating and its manufacturing process : en fr
  • GR8730B - COBBLE MANUFACTURING SYSTEM. : el en
  • AT157774B - Ventilation device. : de en
  • CA386522A - Blowpipe : en fr
  • DE687079C - Arrangement for the interruption of one or more conductors of a distribution system for electrical energy for the transmission of remote control commands : de en
  • DE687317C - Multi-motor drive with commutator motors and synchronization control, especially for paper machines : de en
  • USD118665S - Design for a merchandising sack or : en
  • DE687192C - Table for stretch forming presses : de en
  • CA386515A - Adjustable metallic thermostat : en fr
  • DE687041C - Stripping of knives of all kinds, in particular straight razors : de en
  • CA386516A - Temperature control system : en fr
  • AU318739A - Explosive powder and manufacture thereof : en
  • US2187775A - Push-pull tube arrangement : en
  • AU101239A - Improvements in controlling apparatus forthe displaceable elements of water-gas manufacturing plant andother plant involving cyclical changes : en
  • US2187941A - Window bracket : en
  • US2188184A - Pouring cap for milk bottles : en
  • AT157767B - Filling shaft firing with devices for the return of the smoldering and flue gases for post-combustion under the grate, in particular for heating boilers. : de en
  • US2187801A - Device for scraping the knives of slicing machines : en
  • CA386493A - Rubber preservation : en fr
  • DE687366C - Device for pre-arranging receipts etc. like : de en
  • AT157781B - Oven door with a completely airtight connection to the oven wall. : de en
  • AU232839A - Improvements relating to calculating machines : en
  • DE687286C - Ink eraser with a web of eraser paper wound on an oval core and a flexible protective sheet covering the unused eraser side : de en
  • FR852157A - Process for the production of formaldehyde polymerizates : en fr
  • DE686972C - Facility for photographic recorders : de en
  • DE687048C - Lignite briquette press : de en
  • DE687054C - Self-induction coil with variable inductance with a ground core that can be screwed into the coil carrier : de en
  • AT157799B - Procedure for changing the bandwidth. : de en
  • US2187805A - High impedance band pass filter : en
  • USD118690S - Design for a textile fabric or : en
  • USD118688S - Design for a dress : en
  • US2188165A - Radio system : en
  • US2188214A - Road surfacing : en
  • US2188004A - Swing or glider : en
  • US2188030A - Sled brake : en
  • CA386492A - Phosphatovanadate recovery : en fr
  • AT157824B - Continuously working seed dressing machine. : de en
  • DE687051C - Snap trap control for looms with reciprocal shuttle change : de en
  • US2188008A - Process of concentrating vitamins from fish press water : en
  • US2188178A - Connector for sector conductor cables : en
  • US2187752A - Building structure : en
  • AU109550B2 - Explosive powder and manufacture thereof : en
  • GB517237A - An improved hair curling device : en
  • US2188154A - Piezoelectric substance and process for producing it : en
  • DE687064C - : de en
  • DE687329C - Process for the refinement of fine sulfidic lead ores according to the Roestreaktionsverfahren : de en
  • US2187871A - Underwater drilling : en
  • USD118642S - Design for a washing device : en
  • CA386432A - Coin control apparatus : en fr
  • US2187987A - Golf glove : en
  • CA386466A - Crown cap pad lining method : en fr
  • US2187965A - Garment form : en
  • US2187768A - Safety device for gas conductors : en
  • US2188284A - Golf ball cover : en
  • USD118678S - Design for a book cover or : en
  • AU294539A - Improvements in and relating to hat blocks : en
  • US2187937A - Hydraulic device for transmitting movement : en
  • DE687160C - Typewriter : de en
  • FR852132A - Pulse counter : en fr
  • DE687344C - Process for the production of artificial stones from plaster of paris, fibers and other additives : de en
  • GB517257A - Improvements in spectacle and pince-nez cases : en
  • US2188098A - Chart for piano playing : en
  • AU71439A - An improved emulsifier : en
  • DE687214C - Device for cooling power converters provided with arms, in particular small iron power converters : de en
  • AU109515B2 - Improvements in or relating to insecticides andthe like : en
  • AU109589B2 - Improvements an methods and machines for the production of moulded bodies : en
  • US2187748A - Glass beveling machine : en
  • US2188153A - Resilient support for saddles : en
  • CA386420A - Road-surfacing means and method : en fr
  • AT157751B - Bicycle support that can be used as a bicycle stand. : de en
  • AT157785B - Method and device for the electrical detection of the layers of earth penetrated by a borehole. : de en
  • AT157763B - Casting mold for the production of dense blocks and similar workpieces from aluminum and magnesium alloys. : de en
  • US2188043A - Game device : en
  • US2188249A - Paste dispensing device : en
  • AU15739A - Tiled walland tile : en
  • US2188116A - Gas burner : en
  • US2187950A - Magnetic interrupter : en
  • CA386469A - Can side seam aligning apparatus : en fr
  • AU109524B2 - Improvements in and relating to rheostatic braking systems for electric motors : en
  • GB517231A - Automatic cut-out for use in electric water heaters and the like : en
  • GB517317A - A machine for drafting drawing frame slivers and winding the resultant cylindrical sliver on a spool for use at a spinning machine : en
  • US2188048A - Mechanical time fuse casing : en
  • US2188212A - Vapor burner : en
  • AT157850B - Wet press for dewatering endless lengths of fabric. : de en
  • DE687240C - Lock for shelter doors and screens : de en
  • FR852182A - Methods and apparatus for the use of the activating properties of derivatives of cajeputene monohydrate, and application to the treatment of saline solutions : en fr
  • USD118632S - Design for a detachable towel rack : en
  • FR852043A - Process for destructively hydrogenating carbonaceous materials and dephenolating residual water : en fr
  • FR852140A - Printing and similar telegraph apparatus : en fr
  • GB517292A - Links for use in independent suspension systems for motor-vehicles : en
  • GB517251A - Improvements in safety valve equipment for pressure fluid generator or storage vessels : en
  • CA386478A - Battery vent and filling device : en fr
  • DE687217C - Process for the production of hydrogen peroxide preparations : de en
  • AU109581B2 - Improvements in or relating to devices comprising a cathode ray tube wherein the cathode-ray is magnetically deflected : en
  • FR852212A - Snow plow improvements : en fr
  • US2188274A - Purification of alcohol : en
  • US2188291A - Method of forming rolled seams on preserve tins and the like : en
  • US2187786A - Fusion welded treatment of tubular bodies : en
  • DE687362C - Lantern cover : de en
  • DE687305C - Method for the remote transmission of commands or signals by means of two pulse trains : de en
  • USD118691S - Design fob a textile fabric ob : en
  • GB517265A - Improvements in photo mechanical colour printing processes : en
  • FR852009A - Double buttonhole strap : en fr
  • US2188266A - Boiler section : en
  • US2187840A - Seating tool : en
  • FR852208A - Front wheel or kickstand wheel organization for airplanes : en fr
  • GB517243A - Improvements in and relating to motor vehicles : en
  • GB517225A - Improvements relating to electric cables and other electrical conductors : en
  • FR852148A - Synchronized coupling device : en fr
  • AT157762B - Casting mold for the production of dense blocks and similar workpieces from aluminum or magnesium alloys. : de en
  • GB517126A - Improvements in or relating to veneer glueing machines : en
  • US2187935A - Vehicle door controlling mechanism : en
  • US2187875A - Fluid rotor : en
  • US2187919A - Liquefier : en
  • US2188070A - Welding rod reel : en
  • US2188269A - Resolution of hydrocarbon emulsions : en
  • CA386427A - Wood pulp production : en fr
  • DK57190C - Machine for continuous casting of chocolate mass or similar masses. : da en
  • DE687152C - Disc coil : de en
  • DK57196C - Method for Manufacturing a Filter Material for Purifying Water. : da en
  • US2188285A - Golf ball cover : en
  • USD118628S - Design for a button or similar : en
  • FR852127A - Heating and refrigeration installation : en fr
  • DE687045C - Eye slit formation on armor plates : de en
  • DE687185C - Process for the defibration of silicate masses or the like, in particular slag, by means of a blowing jet : de en
  • AT157776B - Stud bolts, especially for locomotive boilers. : de en
  • USD118687S - Design fob a dress : en
  • US2188012A - Method of separating high molecular mixtures : en
  • FR852014A - : fr
  • US2187784A - Telephone system : en
  • US2188064A - Mechanism for making laminated products : en
  • US2188219A - Ink feed means for printing presses : en
  • CA386494A - Combustion apparatus : en fr
  • US2187867A - Revoluble mote board : en
  • FR852187A - Rough coating process for pulleys and all other applications and product used for this coating : en fr
  • AU290639A - Improvements in electric discharge devices : en
  • CA386413A - Vibratory movement converting means : en fr
  • US2187883A - Method of refining viscous hydrocarbon oils : en
  • US2187963A - Amusement apparatus : en
  • US2187835A - Variable speed transmission : en
  • US2187886A - Thermostat : en
  • US2188106A - Piston : en
  • DE687374C - Circuit for receiving modulated carrier waves : de en
  • GB567091A - Improvements in or relating to the control of bomb dropping gear : en
  • US2188183A - Elastic woolen fabric : en
  • GB517201A - Improvements in automatically tuned radio receivers : en
  • GB517299A - Process for the formation into a shape and dry-distillation of fine dust coal of low caking properties : en
  • GR8734B - AUTOMATIC ELECTRIC LOCK. : el en
  • FR852237A - Improvements to equipment for controlling rail traffic : en fr
  • AT157755B - Method of casting manhole covers and associated frames. : de en
  • AT157835B - Internal combustion engine. : de en
  • US2187942A - Brake system : en
  • DE665600C - Push-ups that can be used in a bathtub to be prepared for a steam bath : de en
  • FR852134A - Improvements made to assemblies, in particular to cameras, comprising at least one mobile unit having to occupy a position depending on a variable capable of being measured : en fr
  • FR852142A - Bag for vacuum cleaning apparatus and method of its manufacture : en fr
  • DE687358C - Process and device for sintering powdery or fine-grained ores or similar starting materials : de en
  • GB517156A - Improvements relating to pipe coupling devices : en
  • US2188071A - Direction finding radio system : en
  • US2188220A - Apparatus for concentrating solutions, particularly black liquors : en
  • DE687042C - Device for locking flap shutters or similar outwardly opening leaves in their two end positions from inside the room : de en
  • DK57177C - Telegraph system with Dial-up dial. : da en
  • GB517185A - Improvements in or relating to electric lamps : en
  • US2188237A - Tripod support : en
  • GB517229A - Improvements in or relating to apparatus for detecting the presence of foreign bodies on the bottoms of transparent vessels : en
  • IE17145L - Spinning and twisting threads : en
  • GB517303A - Improvements in or relating to piston machines : en
  • US2188210A - Manuscript manipulating device for speakers : en
  • USD118624S - Design for an ice cream cone : en
  • US2188243A - Irrigation system : en
  • US2188175A - Carburetor attachment for internal combustion engines : en
  • US2188190A - Vaginal injection appliance : en
  • DE687243C - Ammunition elevator : de en
  • US2188113A - Crossover for overhead trolley systems : en
  • US2188044A - Egg tray : en
  • AT157832B - Internal combustion engine with an auxiliary combustion chamber separated from the working cylinder but connected to it. : de en
  • FR852114A - Process for the preparation of branched saturated hydrocarbons from unbranched saturated hydrocarbons or more branched saturated hydrocarbons from less branched saturated hydrocarbons : en fr
  • GB517242A - Improvements in knife sharpeners : en
  • GB517120A - Improvements in or relating to illumination devices for photographic purposes, and electric switches therefor : en
  • AU109532B2 - Improvements in the production of elemental sulphur from gases containing sulphuretted hydroogen, carbon oxysulphide and carbon oxydulphide and carbon di-sulphide : en
  • DE687237C - Daylight development facility : de en
  • DE687242C - Stick grenade to be fired from a stick : de en
  • AU54739A - Improvements in coin testing apparatus : en
  • AT157768B - Process for serving unfermented fruit juices, so-called sweet musts. : de en
  • AU109555B2 - Improved manufacture of derivatives of phenanthridine : en
  • US2188104A - Condensation products of the anthraquinone series : en
  • US2187977A - Back washer : en
  • CA386444A - Steam boiler : en fr
  • FR852197A - Advanced device for determining, indicating and recording position coordinates : en fr
  • USD118636S - Design fob a sachet basket : en
  • GB517200A - Improvements in or relating to wave transmission systems : en
  • FR852283A - Special equipment for the treatment of certain diseases of the lower limbs : en fr
  • CA386452A - Friction clutch : en fr