• US2217523A - Automatic telephone indicator : en
  • US2217077A - Wire insulation cutting and stripping device : en
  • AU110986B2 - Improvements in or relating tothe manufacture of centrifugal castings : en
  • US2216781A - Discharge control arrangement for snow removing mechanism : en
  • US2216902A - Combined carbonator and bottle filler with auxiliary counterpressure chamber : en
  • AU449039A - Process for the production of electric oscillations : en
  • US2216843A - Drop-out fuse : en
  • CA391803A - Drainboard : en fr
  • DE697316C - electrodes : de en
  • US2216772A - Telegraph transmitting system : en
  • US2217646A - Wheel mounting : en
  • US2216973A - Bushing assembly press : en
  • DE697389C - Electrical thermal circuit breaker : de en
  • CA391791A - Electric vapour converter device : en fr
  • CA391801A - Synthetic fibre manufacture : en fr
  • CA391847A - Spring catch : en fr
  • DE697205C - Fountain pen with a piston that can be displaced by telescopically screwable threaded links : de en
  • DE697227C - Screw slot clamp for clamping small cable cross-sections in electrical installation systems : de en
  • US2217105A - Shiftable hinge mounting for garment supports : en
  • US2217283A - Hydraulic dump bucket : en
  • US2217239A - Die casting apparatus : en
  • US2217150A - Recording machine : en
  • US2216724A - Indication and control apparatus : en
  • US2217582A - Liquefied gas dispensing system : en
  • US2217177A - Loud-speaker : en
  • US2217376A - Ruffle plaiter : en
  • USD122971S - Design for a pen and pencil clip : en
  • CA391753A - Runner or ski with endless track : en fr
  • DE697126C - Tension lever lock, especially for loading boxes of trucks : de en
  • CA391802A - Ironing machine : en fr
  • GB527285A - Improvements in or relating to removable take-up film spool constructions for photographic still cameras : en
  • US2217160A - Typewriting machine : en
  • US2217583A - Liquefied gas dispensing system : en
  • USD122960S - Design for a dress : en
  • GB527585A - Plate heat exchange apparatus for gas turbines : en
  • IE16116L - Sealing conductors through quartz envelopes : en
  • US2216776A - Aerial towed target : en
  • DE697051C - Azo components for the diazo type : de en
  • GB527309A - An improved method of producing polished or faced stone : en
  • GB527315A - Improvements in tubulous boilers comprising weight-supporting tubes : en
  • GB527539A - Improvements in or relating to magnetic shunts for use in watthour meters or other electro-magnetic measuring instruments of the induction type : en
  • AT159588B - Automatic temperature control device for railway vehicles heated with any heating medium. : de en
  • GB527498A - Improvements in or relating to roll film photographic cameras : en
  • AT159641B - Seed dressing. : de en
  • CA391857A - Alloy for iron and steel : en fr
  • CA391862A - Drafting instrument : en fr
  • US2217252A - Process for isomerization of olefin hydrocarbons : en
  • USD122966S - Design fob a dress : en
  • DK58053C - Kitchen table covering with table top, sink and basin. : da en
  • US2216790A - Power mowing machine : en
  • US2217499A - Power system : en
  • GB527299A - An improved solvent extraction process : en
  • US2217065A - Composition for making a polychromatic printing roller or plate, method of making the same, and a polychromatic printing member : en
  • US2217275A - Resistance coupled amplifier circuits : en
  • US2217329A - Lubricating method and system : en
  • US2216858A - Clamp : en
  • US2217185A - Gaseous discharge device : en
  • US2216773A - Journal box and method of making the same : en
  • US2217274A - Integrated shoe quarter : en
  • US2217320A - Flush valve actuating device : en
  • USD122902S - Design fob a bracket lighting fixture : en
  • USD122988S - Design for a dress : en
  • GB527384A - Improvements in or relating to apparatus for separating liquids from solids : en
  • US2217338A - Golf club : en
  • USD123002S - Design for a dress : en
  • GB527345A - Cut-off valve for sand blast and the like : en
  • US2217117A - Continuous pressure sealing device : en
  • US2217382A - Motor and control therefor : en
  • US2217024A - Electric switch : en
  • US2217095A - Shoe finisher machine : en
  • US2217330A - Excess flow and shut-off valve : en
  • USD122975S - Andree dress ensemble : en
  • USD123030S - Design fob a dress : en
  • AU111648B2 - Improvements relating to reflectors : en
  • USD122983S - Design for a dress ensemble : en
  • DE697084C - ric potential results of the heart from more than two patient leads : de en
  • DE697252C - Friction clutch, especially for motor vehicles : de en
  • US2216732A - Floor structure : en
  • DE697229C - AC powered overpressure discharge lamp for projection purposes : de en
  • US2216951A - Draft and buffing gear : en
  • GB527320A - The separation of aminoacids from acid hydrolysates of proteins : en
  • US2216874A - Band-pass selector : en
  • GB527583A - Improvements relating to conducting-liquid switches : en
  • GB527424A - Improvements in excavating or dredging apparatus : en
  • IT383429B - : it
  • DE697237C - Specialist self-sellers : de en
  • GB527409A - Improvements in and relating to metal alloys : en
  • DE697393C - Pole changing device for electrical machines, especially train lighting machines : de en
  • US2216884A - Device for opening and resealing cartons : en
  • US2217455A - Package : en
  • AT159552B - Test circuit in telecommunications, in particular telephone systems. : de en
  • GB527505A - Improvements in or relating to electrical signal storage and transmission equipment : en
  • US2216965A - Lens structure : en
  • US2217097A - Meter box cover : en
  • CA391836A - High frequency amplifier : en fr
  • CA391841A - Ammono alcohol : en fr
  • DE697310C - Clothes band : de en
  • US2217453A - Hoist : en
  • US2217286A - Coal washing machine : en
  • GB527437A - Improvements relating to gear changing mechanism : en
  • GB527597A - Improvements in or relating to self-balanced draughting machines for drawing-boards : en
  • GR9287B - WRAPPING MACHINE ON PAPER BALLS OF MOUNTING MATCHES. : el en
  • GB527425A - Process of treating magnesia-containing lime-stones : en
  • GB527467A - Improvements in and relating to the preparation of impermeable corrosion-resisting coatings : en
  • US2217118A - Pulverizer : en
  • US2217133A - Machine for the multicolor printing of textile fabrics : en
  • US2217289A - Sleeve valve engine : en
  • US2217310A - Mailbox signal : en
  • DK58050C - Device for vertical retort furnaces for gasification of coal or similar materials. : da en
  • US2217273A - Hosiery and method of making the same : en
  • USD122957S - Design fob a chair : en
  • USD123042S - Design for a child s dkess : en
  • US2217144A - Churn and beater : en
  • US2217268A - Governing apparatus : en
  • US2217102A - Figure article : en
  • GB527598A - Improvements relating to the production of creases, for instance trouser creases and pleat-forming creases : en
  • USD122989S - Design fob a dress : en
  • DE697246C - , for paper production : de en
  • USD122959S - Heat retaining nursing bottle holder : en
  • GB527380A - Load stabilizing means for modulating systems : en
  • US2217200A - Bearing : en
  • USD122895S - Combination support and snuffer for cigarettes : en
  • US2217509A - Gauge : en
  • DE696473C - Device for evenly applying the mortar to wall panels : de en
  • US2217368A - Method of renovating used oil and systems containing same : en
  • US2217430A - Water-cooled stator for dynamoelectric machines : en
  • DE697201C - Device for connecting plate-shaped components : de en
  • DE697233C - Liquid heater with a basket-like grate burner : de en
  • US2216866A - Liquefied gas dispensing system : en
  • US2217050A - Faucet : en
  • GB527365A - Improved process for producing endless sound-recording tapes : en
  • US2217379A - Cooling device : en
  • GB527415A - The production of chemical wood pulp : en
  • GB527375A - Improvements relating to slicing machines : en
  • US2217301A - Twisting machine : en
  • US2217179A - Record controlled machine : en
  • CA391762A - Vacuum cleaner nozzle : en fr
  • GB527461A - Improvements in or relating to portable gas fires : en
  • GB527559A - Improvements relating to the wheels of perambulators and the like : en
  • GB527508A - Device for dissipating the energy surge incident to an abrupt stopping of a driven element in a motor-driven power transmission : en
  • GB527464A - Improvements in building bricks : en
  • DE697161C - Fastening of the foot of a wooden propeller wing by screwing in a steel sleeve : de en
  • US2217004A - Curtain stretcher : en
  • DE697331C - order systems with three-phase motors : de en
  • AT159574B - Safety device on apparatus for distilling volatile solvents. : de en
  • USD123011S - Design for a dress : en
  • US2216887A - X-ray apparatus : en
  • US2217519A - Shaving mechanism : en
  • US2216797A - Shaving device : en
  • GB527546A - A valve device for use in converting an internal combustion engine cylinder into a pump : en
  • US2217246A - Railway truck : en
  • US2217326A - Picture transmitter : en
  • US2217500A - Turbine diaphragm arrangement : en
  • DE697219C - Device for gluing fabrics on printing tables or the like. : de en
  • GB527542A - Improvements in or relating to partitions for vehicle bodies : en
  • AT159620B - Process for the production of codensation products containing sulfuric acid residues. : de en
  • CA391742A - Changeable sign : en fr
  • US2216890A - Measuring and mixing valve : en
  • US2217553A - Ash tray support : en
  • US2217007A - Cooling jacket structure for internal combustion engines : en
  • USD122962S - Design fob a dress : en
  • US2217036A - Film reeler for cameras : en
  • US2217057A - Process for the synthesis of artificial rubber or rubberlike compounds : en
  • US2216918A - Animal trap : en
  • US2217026A - Calk socket setting device : en
  • US2217504A - Method of making knockdown boxes : en
  • USD122904S - Photographic camera carrying case : en
  • DE697358C - narrow sides of pens and other stick-shaped workpieces : de en
  • USD122969S - Design for a dress : en
  • US2217544A - Method of treating photographic material to obtain colored pictures : en
  • USD122897S - Design for a ribbon roller : en
  • US2217161A - Signaling system : en
  • US2217625A - Piston expander : en
  • GB527595A - Improvements in or relating to spark quenchers for use with the exhaust pipes of internal combustion engines : en
  • CA391774A - Display support : en fr
  • US2217047A - Lock : en
  • US2216846A - Fuel mixing device : en
  • GR9299B - COBBLE MANUFACTURING SYSTEM FROM UNBURNED OIL NUCLEAR CRUSHED AND EXTRACTED. : el en
  • US2216947A - Nonslip attachment for shoes : en
  • US2216791A - Foam bath apparatus : en
  • DE697333C - Transducer : de en
  • USD122917S - Design for an automobile grille unit : en
  • US2217214A - Car retarder for railroads : en
  • US2217616A - Gyro-magnetic compass : en
  • CA391823A - Pigment suspension : en fr
  • US2217346A - Method of manufacturing lugged pottery ware : en
  • US2217565A - Intermittently flashing illuminated fishing lure : en
  • GB527521A - Improvements in or relating to wall or like plugs : en
  • DE697382C - Connection of the joint of insulating pipes for laying bare electrical lines : de en
  • AU75940A - Improvements in or relating tothe cooling of gaseous mixtures : en
  • CA391739A - Saucepan spoon holder : en fr
  • GB527470A - Chromite refractory materials : en
  • AU111618B2 - Improved method of manufacturing pipes or like hollow articles of reinforced concrete or like plastic material : en
  • US2216808A - Vacuum breaker for flush valves : en
  • USRE21593E - Machine foe the gluing together of : en
  • USD122932S - Design for a glider end frame : en
  • USD122941S - Design for a bottle stopper : en
  • US2217285A - Candy machine : en
  • US2217300A - swart : en
  • US2217034A - Suspension system for vehicles : en
  • US2217103A - Machine for mixing or masticating rubber and like material : en
  • US2217171A - Stiffening member for shoes and the like : en
  • US2217298A - Apparatus fob controlling the flow : en
  • USD122915S - Design fob a handbag : en
  • GB527335A - Teletypewriter apparatus : en
  • USD123028S - Design for a drzss : en
  • GB527445A - Injection nozzle for gas-producer and gas-producer adapted to use said nozzle : en
  • US2216826A - Moistureproof sheet material and moistureproofing composition : en
  • DE697189C - Delivery device for the printing products from rotary printing machines coming from the folding unit : de en
  • DE697276C - Process for the continuous bleaching of fine materials : de en
  • DE698418C - Device for producing internal grooves in the neck of glass vessels, in particular glass bottles : de en
  • DE695308C - Process for producing master copies for planographic printing : de en
  • US2217488A - Thermal overload relay : en
  • US2217146A - Traverse mechanism for winding machines : en
  • GB527571A - A new or improved date indicator : en
  • US2216740A - Wiring terminal for electrical fittings : en
  • DE697253C - Joint for connecting two shafts, especially in motor vehicles : de en
  • US2216893A - Concentric conductor transmission line : en
  • US2217213A - Apparatus for removing articles from molds : en
  • DE697142C - Automatic spatula for ice cream drums : de en
  • GB527284A - Locking device for windows and the like : en
  • US2216925A - Reversing valve : en
  • US2217324A - Spraying device : en
  • US2217389A - Panel fastening device : en
  • CA391852A - Shoe sole shaping machine : en fr
  • US2217630A - Method of preparing secondary amines : en
  • GB527357A - Improvements relating to high voltage insulators : en
  • USD122928S - Air conditioning control : en
  • DE697302C - Process for producing multicolor subtractive images : de en
  • US2217327A - Method of producing well screens : en
  • US2217380A - Valve structure : en
  • US2217594A - Fluid heat exchange apparatus : en
  • GB527477A - Improvements in or relating to backlash eliminating mechanism for machine tools : en
  • US2217571A - Endpiece for stringers of separable fasteners : en
  • DE697186C - Manufacture of carbon disulfide : de en
  • DE697140C - Device for printing can parts made of sheet metal or plastic : de en
  • GB527488A - Improvements in and relating to signalling apparatus : en
  • GB527373A - Method of and machine for the manufacture of moulds for moulding the interlocking members of sliding clasp fasteners : en
  • GB527420A - Improvements in or relating to machines for sorting goods : en
  • GB527441A - Improvements in automatic telephone systems : en
  • GB527604A - Improvements in or relating to the cups and dips of gasholders and like containers : en
  • US2217076A - Boat construction : en
  • US2216875A - Building block construction : en
  • GB527436A - Control devices of an electrical magnitude such as a potential : en
  • US2217056A - Relief valve : en
  • GB527588A - Improvements in self-contained belt drives for machines : en
  • DE697328C - Circuit arrangement for control switchless line selectors in telephone systems : de en
  • GB527601A - Improvements in or relating to protective layers for the interior of pipes and like hollow bodies : en
  • DE697309C - Process for opening up mutually entwined objects by means of impact : de en
  • GB527511A - Improvements in or relating to electric liquid heaters : en
  • GB527569A - Improvements in and relating to shaft packings : en
  • GB527509A - A process for removing acid components from water-insoluble neutral or basic organic liquids : en
  • DE697118C - Closure flap for ash funnel : de en
  • DK58052C - Foldable Cot that can be converted into Kravlegaard. : da en
  • USD122905S - Combined ashtray and cigarette rest : en
  • AT159578B - Braces or the like : de en
  • DE697275C - Arrangement for darkening when there is a risk of air by switching all the lighting in a house, factory, factory premises or the like to the light prescribed in the case of a risk of air : de en
  • GB527527A - Improvements in or relating to truck bodies : en
  • US2216758A - Twisting reinforcements for concrete : en
  • US2216959A - Motor vehicle : en
  • US2216839A - Interlocking sleeve coupling : en
  • US2217348A - Bit and holding means therefor : en
  • US2217409A - Cathode ray control apparatus : en
  • USD122956S - Design for a shoetree : en
  • US2217054A - Lock : en
  • US2217228A - Method of applying mirror surfaces to the interior of lamp bulbs : en
  • DE697155C - : de en
  • DE697385C - Safety plug-in device with rotary switch : de en
  • US2217360A - Hydraulic disruption of solids : en
  • US2217587A - Process for conversion of hydrocarbons : en
  • DE697188C - Process for the production of a diterpene : de en
  • GB527540A - Improvements in or relating to apparatus for washing fabrics or the like : en
  • DE697296C - Deck device for flat weft knitting machines : de en
  • CA391776A - Screw-driver : en fr
  • GB527524A - Adjustment and indicator for coffee mills : en
  • DE697318C - Process for improving the resistance of the film hole areas, in particular with so-called security films : de en
  • US2217231A - Rubber impeller : en
  • US2217518A - Combustion regulation : en
  • DE697377C - Process for the production of a concentric airspace-insulated electrical line : de en
  • GB527594A - Improvements relating to shutters or screens for sky-lights or roof-lights : en
  • GB527541A - Improvements in joint constructions for vehicle bodies : en
  • GR9300B - METHOD METHOD FOR LIQUID METAL WOODEN SURFACES. : el en
  • CA391849A - Pressure-applying pad : en fr
  • US2217536A - Orchard heating apparatus : en
  • DE697391C - Storage for leaf-spring-shaped metal parts, especially contact springs : de en
  • GB527538A - Improvements in or relating to current conversion systems : en
  • AU122440A - An improved electric fitting : en
  • USD122899S - Design fob a bottle : en
  • US2217418A - Electric discharge tube : en
  • US2217452A - Controlled cooling in a heat treating process : en
  • DE697297C - Disinfectants and preservatives : de en
  • US2217484A - Support for tubular lamps : en
  • DE697123C - Device for determining the specific gravity of a gas : de en
  • DE697292C - Steam water trap with a bimetallic expansion body under operating pressure : de en
  • US2216961A - Sound translating apparatus : en
  • GB527329A - Improvements relating to railway and like axle bearings : en
  • US2217632A - Nitriles and method of preparing the same : en
  • US2216812A - Moistureproof sheet material and moistureproofing composition : en
  • US2217092A - Fountain washer : en
  • GB527617A - An improved dish cover : en
  • GB527557A - Improvements in devices for joining film ends : en
  • DE697242C - Means for sealing preserving jars : de en
  • DE697224C - Electrical insulating material containing polystyrene : de en
  • GB527469A - Improvements in bait holders : en
  • US2216816A - Dentifrice : en
  • US2217510A - Electrical panel : en
  • USD122929S - Design fob a shoe back : en
  • DE697399C - Ventilation device for generating negative pressure in low-pressure steam heating systems : de en
  • US2217089A - Machine for testing the hardness of materials : en
  • US2217109A - Weed root puller : en
  • AT159599B - Process for the production of permanent magnets. : de en
  • AT159605B - Method and device for the production of x-rays of body organs. : de en
  • GB527332A - Improvements in the production of reversed photographic images : en
  • DE697312C - Gear shifting device on finishing and similar machines for textile fabrics with electric drive : de en
  • GB527324A - Improvements relating to guide channels for sliding windows or the like : en
  • GB527302A - An improved process for the granulation of calcium superphosphate and mixed fertilisers containing phosphate and nitrogen with or without potassium : en
  • GB527504A - Central-heating boiler : en
  • GB527525A - Art of producing magnetic materials : en
  • US2217021A - Piano string plate construction : en
  • GB527499A - Process for the manufacture of water-soluble, injectable compounds of sulphanilic acid amides : en
  • GB527395A - Improvements in gramophone pick-ups : en
  • US2217049A - Reinforced asbestos sliver : en
  • DE697335C - Jacquard raschel machine with displacer pins : de en
  • DE697147C - Device for grid control of gas or vapor discharge vessels by means of a contact device : de en
  • AU111661B2 - An improved milking machine pump : en
  • CA391804A - Drainboard : en fr
  • DE697209C - Method and device for packing fibrous goods : de en
  • US2216967A - Gas lift valve : en
  • US2217444A - Method of and means for the manufacture of abrasive cloth : en
  • DE697317C - the milling mandrel with claws cast on the front : de en
  • CA391795A - Wall : en fr
  • CA391863A - Shock absorber : en fr
  • US2217126A - Piled surface in pattern form : en
  • US2217205A - Photoelectric tube : en
  • USD122993S - Design for a dress : en
  • US2217347A - Cutting bit : en
  • US2217178A - Radio receiver : en
  • GB527562A - Improvements in or relating to massage apparatus : en
  • US2216748A - Thermal electric switch : en
  • US2217265A - Wood protection : en
  • US2217543A - Window : en
  • CA391800A - Cellulose derivative composition : en fr
  • CA391845A - Centrifugal fan : en fr
  • US2216836A - Rotating sleeve valve for combustion motors : en
  • USD123009S - Design for a wallpaper : en
  • DE697179C - Device for uniform irradiation of flat objects moving relative to the light source : de en
  • CA391758A - Snowshoe harness : en fr
  • CA391772A - Tubular belt conveyer : en fr
  • US2216832A - Apparatus for extruding tubes : en
  • US2216953A - Split sleeve valve : en
  • DE697319C - special of an airplane : de en
  • US2216960A - System for making and projecting stereo films : en
  • US2217552A - Ink supply roller : en
  • CA391829A - Elastic top stocking : en fr
  • CA391871A - Electron device : en fr
  • AT159601B - Process for the production of yarn consisting in particular of glass threads. : de en
  • AU111655B2 - Improvements in or relating to air separators, and pumping apparatus and liquid dispensing apparatus including the improved air separator : en
  • DE697131C - Switch with arc extinguishing by a flow of compressed gas : de en
  • GB527514A - Improvements in permeability-tuned wave trap and core construction therefor : en
  • AT159619B - Process for the production of halogen-containing oxyalkyl ethers. : de en
  • CA391763A - Vacuum cleaner : en fr
  • CA391777A - Centrifugal refrigerating apparatus : en fr
  • CA391796A - Building : en fr
  • GB527620A - Improvements in or relating to floors for ice rinks : en
  • US2217445A - Device for aiding osteopathic manipulators : en
  • US2217063A - Bowling alley : en
  • USD122918S - Design foe a piano case : en
  • AU450139A - Improvements in or relating to television receivers : en
  • AU113240A - Improvements relating to adjustable vehicle seat frames : en
  • US2217387A - Demulsification of petroleum : en
  • US2217420A - High tension electric insulator : en
  • US2217550A - Crankshaft : en
  • US2216828A - Power driven hack saw : en
  • US2217612A - Terpene-cyanoacyl compound and method of producing same : en
  • US2217631A - Method of producing soft synthetic rubberlike materials : en
  • US2216851A - Gas range : en
  • US2217128A - Heater construction : en
  • US2217258A - Apparatus for forming tapered concrete piles : en
  • GB527427A - Improvements in or relating to electrical indicating apparatus : en
  • GB527343A - Improvements in and relating to protective devices for electric circuits : en
  • GB527481A - Improvements in and relating to the automatic control of the speed of electric motors : en
  • US2217474A - Control for electrically heated appliances : en
  • USD122923S - Cigarette tray or similar article : en
  • USD122930S - Design for a display box fob neck- wear, handkerchiefs, boutonnieres, or the like : en
  • USD122954S - Design fob a push button switch : en
  • GB527403A - Improvements relating to small arms : en
  • GB527407A - Improvements in and relating to synthetic resinous compositions : en
  • AT159597B - Duplication process. : de en
  • AU111664B2 - Vitamin and process of obtaining same : en
  • DE697159C - Protective edge, especially for wood propellers : de en
  • US2216909A - Magazine and film handling apparatus : en
  • US2217174A - Vacuum cleaner : en
  • US2217494A - Method of making coupon receptacles with closure locks : en
  • AT159637B - Gas-filled electric light bulb. : de en
  • AU485539A - Improvement in grinding machine : en
  • AU550339A - An improved milking machine pump : en
  • US2217244A - Weighing scale : en
  • CA391749A - Boot support : en fr
  • CA391864A - Drainage system for basement walls : en fr
  • DE697136C - Shaving brush with a tube of cream and a plunger : de en
  • GB527408A - Improvements in polyvinyl resin compositions : en
  • GB527502A - Improvements in or relating to fittings for wire ropes : en
  • US2217595A - Electric immersion heater : en
  • AT159590B - Circuit for telephone systems with central battery or dialer operation. : de en
  • GB527548A - Process for the manufacture of phosphoric acid dichlorides of 4-amino-benzene-sulphonamides : en
  • US2217578A - Valve and level gauge operating mechanism for liquefied gas dispensing systems : en
  • CA391729A - Scraper carrier : en fr
  • CA391798A - Blowpipe : en fr
  • GB527533A - Improvements relating to crimping apparatus for packaging material : en
  • US2217189A - Process of preparing photographic prints : en
  • CA391855A - Alloy for iron and steel : en fr
  • GB527530A - Improved guide tabs for index cards : en
  • DE697380C - Two-part spacer clip made of insulating material for laying any cables, especially electrical cables : de en
  • US2216845A - Manufacture of paper : en
  • US2217000A - Fluid conduit : en
  • US2217234A - Trailer hitch : en
  • DE697361C - Wrench : de en
  • US2217196A - Convertible accounting machine : en
  • US2217209A - Punching machine : en
  • US2217649A - Combustion chamber for rocket apparatus : en
  • DE697221C - Process for the production of sulfur dioxide and Portland cement : de en
  • DE697340C - Gear testing device : de en
  • DE697157C - Process for improving the adhesion of photographic emulsions, especially on so-called security films : de en
  • DE697300C - Sieve device with push rod drive : de en
  • US2216899A - Toy roundabout : en
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  • GB527307A - An improved method of and apparatus for converting hydrocarbon oils : en
  • US2217432A - Parallel operation of generators : en
  • US2216881A - Direction signal switch : en
  • US2217547A - Concentrating and dehydrating apparatus and method : en
  • USD122945S - Unitfh statfs patfnt offitf : en
  • US2216764A - Foot muscle exercising machine : en
  • US2217001A - Friction material : en
  • US2216831A - Chain repair link : en
  • US2217466A - Composition of matter for water treatment : en
  • DE697346C - Hot water heating for cold beds : de en
  • DE697190C - Externally controlled tubular resistance body with internal heating, housed in a gas-filled vessel : de en
  • US2217112A - Method of hulling oats and like kinds of grain : en
  • USD122986S - Design fob a dress : en
  • DE697338C - Device for automatic regulation, in particular of heating systems : de en
  • GB527387A - Improvements relating to plugs for the ends of pipes : en
  • DK58051C - Method of Manufacture of Radioactive Textile Fabrics. : da en
  • US2217458A - Steam generator and water heater : en
  • US2217114A - Method of producing pattern effects on fabrics : en
  • US2217230A - Brake system for automobiles : en
  • US2217395A - Lamp socket : en
  • US2217435A - Direct-current measuring device : en
  • US2217467A - Apparatus for transferring liquefied gases : en
  • US2216770A - Method of making metal powders and product : en
  • US2217619A - Closure of paper and the like for containers made of paper and the like : en
  • GB527421A - Improvements in and relating to adjustable connecting means for concentric members : en
  • USD123018S - Design for a dress : en
  • US2217090A - Method of making multilayer pressure vessels : en
  • DE697115C - Drive and uncoupling device arranged between the drive machine and the drive axle of vehicles, in particular steam rail cars : de en
  • DE697220C - Device for the separate extraction of external and internal gases from horizontal chamber furnaces : de en
  • US2217323A - Portable reel construction : en
  • US2217404A - System and method for landing airplanes : en
  • DE697269C - Safety device for steam turbine systems supplemented by high-pressure upstream turbines, whose high-pressure and low-pressure turbines drive special power generators working on a common network : de en
  • US2216798A - Hair waving appliance : en
  • DE697396C - Electric discharge lamp or fluorescent tube filled with noble gases and mercury and a luminophore layer excited by the mercury radiation : de en
  • GB527391A - Process for the generation of acetylene : en
  • US2217187A - Electrical discharge apparatus : en
  • US2217282A - Smoking meat : en
  • US2217287A - Double-acting reciprocating pump : en
  • USD122987S - Design for abbess : en
  • GB527592A - Improvements in and relating to indicating means for measuring and like instruments : en
  • GB527434A - Improvements in electric switches and operating gear therefor, particularly applicable to the control of two or more electric motors : en
  • GR9293B - RAILWAY EASY TO CHANGE AND SILENT. : el en
  • FR857344A - Further training in general merchandise vending machines : en fr
  • GB527496A - Improvements in or relating to automatically variable frequency-selective electric wave filters : en
  • GB527607A - Improvements in or relating to methods of keeping cold or refrigerating foodstuffs for preservation purposes : en
  • US2217005A - Manufacture of sheets containing mineral wool fiber : en
  • US2217202A - Percussion drill : en
  • US2217216A - Orifice plate carrier for valves : en
  • US2217260A - Sewing device : en
  • US2217479A - Damper regulator for dampers of ventilating ducts : en
  • USD123003S - Design for a window curtain : en
  • US2216878A - Method of forming detents : en
  • US2217215A - Gravel packing for wells : en
  • US2217522A - Ironing machine : en
  • US2217609A - Gauge : en
  • US2216829A - Electrical system : en
  • US2216927A - Noose supporting device for snaretype traps : en
  • US2217342A - Time or speed controlled delayed action relay for strip material classifiers : en
  • US2216896A - Method of making concrete pipe : en
  • US2216886A - Holder : en
  • DE697273C - Spring clip for aluminum conductors : de en
  • DE697249C - Bumper connection for aircraft with collapsible surfaces : de en
  • US2217530A - Highway guard : en
  • GB527460A - Improvements in chassis frames for rear engined vehicles : en
  • AU111651B2 - An improved hay, ensilage orthe like sweep : en
  • AU68640A - Improvements in or relating to circular knitting machines : en
  • US2217100A - Cotton sampling knife : en
  • USD122991S - Design for a dress ensemble : en
  • US2216923A - Planting machine : en
  • USD123035S - Design for a dress ensemble : en
  • USD123045S - Design for a dress ensemble : en
  • AT159579B - Tubular artery binder. : de en
  • AT159584B - Automatic ring valve. : de en
  • DE697197C - of thermoformable masses : de en
  • GB527296A - Improvements in the manufacture of dyes and of photographic emulsions : en
  • DE697112C - Unterburner regenerative coke oven : de en
  • DE697394C - High-performance fuse with several fusible links arranged to be rotatable about an axis made of insulating material : de en
  • US2216991A - Mattress : en
  • DE697098C - Process for sensitizing halogen silver emulsions containing dye-forming agents : de en
  • US2217068A - Luggage compartment for railway cars : en
  • US2217407A - Joint for flexible arms : en
  • AU154441A - Improvements inthe method and apparatus forthe manufacture of soapflakes : en
  • US2216955A - Oil base drilling fluid and method of preparing same : en
  • US2217397A - Ribbon roll container : en
  • AU453439A - Improvements relating to feedback phase modulation receivers : en
  • US2216738A - Apparatus for preparing infusions : en
  • US2217325A - Machine for applying labels and the like : en
  • GB527305A - Improvements in and relating to means for reciprocating printing press beds : en
  • US2216921A - Method and apparatus for introducing solids into a pressure system : en
  • US2217264A - Protein preparation : en
  • DE697141C - Process for the production of storable, easily dispersible urea : de en
  • GR9289B - LIGNATURE AND COAL IN COMBUSTION IN GENERAL. : el en
  • US2217017A - Temperature controlled water mixer : en
  • USD122938S - Design for a hair ornament or the like : en
  • US2216958A - Manufacture of artificial rubber by the polymerization of butadienes : en
  • DK58058C - Procedure for Making Transfer Posters. : da en
  • US2216823A - Electric circuit controlling device : en
  • US2216942A - Glow cathode for cathode ray tubes : en
  • GB527386A - A current collector for electric vehicles : en
  • DE697162C - e, hydraulically operated adjusting screw : de en
  • DE697248C - Fluid pump with spring-loaded pistons arranged parallel to the axis in a circle : de en
  • DE697315C - Device for generating ultra-high frequency vibrations with glow cathode tubes : de en
  • DE697211C - Shuttle : de en
  • DE697282C - Connection piece for taking photographs with the help of binoculars : de en
  • US2216820A - Remote control system : en
  • US2217003A - Curtain stretcher : en
  • DE697298C - Internal combustion engine for dusty fuels : de en
  • DE697303C - Diaphragm pump : de en
  • US2217135A - Extruding die : en
  • US2217149A - Vanity box or case : en
  • US2217462A - Circuit breaker : en
  • US2217641A - Control system : en
  • US2216769A - Metal powder : en
  • US2217651A - Hydrogenation of ethers of hydroxy aldehydes : en
  • GB527573A - Improvements relating to loom shuttles : en
  • GB527478A - Improvements in or relating to processes for producing compositions or concentrates containing one or more components of the vitamin b complex, and the compositions or concentrates resulting therefrom : en
  • AT159625B - Separator for furnace gases. : de en
  • US2217369A - Plasterer's implement : en
  • AT159624B - Process for the production of shaped structures from cellulose ethers. : de en
  • US2216944A - Meter construction : en
  • US2217629A - Automatic control means for dredge buckets : en
  • USD122946S - Cabinet for remote controit apparatus : en
  • DE697323C - Device for hanging up and sorting of socks provided with hanging loops : de en
  • US2217272A - Hosiery and method of making the same : en
  • CA391812A - Cellulosic material processing : en fr
  • CA391790A - Refrigeration apparatus : en fr
  • AU111665B2 - Improvements in machines for producing rubber covered cord andthe like for use inthe manufacture or repair of covers or casings for pneumatic tyres : en
  • US2217439A - Oral massaging device : en
  • US2217070A - Food handling apparatus : en
  • US2217441A - Quench chute for heat-treating furnaces : en
  • US2217211A - Rotary pump : en
  • US2217537A - Transmission means : en
  • US2216771A - Automatic clutch : en
  • US2217496A - Connector : en
  • AT159642B - Process for the production of magnetic bodies. : de en
  • AU575838A - Improvements in or relating tothe manufacture of centrifugal castings : en
  • AT159628B - Casting plant for feeding constant amounts of metal to a number of casting molds. : de en
  • AU111633B2 - Improvements in or relating togas pressure generating cartridges forthe operation of mechanical devices, and to charges therefor : en
  • AT159571B - Arrangement of firearms in aircraft. : de en
  • USD123021S - Be sign for a chenille kobe : en
  • US2216917A - Gauge and outlet fitting for drums : en
  • US2217203A - Core barrel : en
  • US2217344A - Cutter drive for cloth shears : en
  • US2217091A - Feeding device for machine tools : en
  • US2217480A - Pilot-channel relaying and communication system : en
  • AU111640B2 - Improved advertising apparatus : en
  • DE697204C - Process for making colored filter layers in multilayer photographic films : de en
  • DE697347C - Roll-up device for paper or similar webs : de en
  • AU111652B2 - An improved process for the preparation of charcoal briquettes : en
  • CA391746A - Closure retaining spring : en fr
  • CA391769A - Vapour generator : en fr
  • GB527431A - Improvements in liquid fuel burners : en
  • AT159647B - Speedometers for aircraft. : de en
  • DE697236C - Deposit for hats : de en
  • GB527589A - Improvements in filters : en
  • US2216741A - Plate finishing machine : en
  • US2216754A - Treatment of sugar solutions : en
  • US2216838A - Temperature control system : en
  • AT159646B - Brush and collector arrangement for electrically operated gyroscopes. : de en
  • CA391826A - Titanium dioxide pigment : en fr
  • AT159562B - Sound emitters. : de en
  • DE697117C - Safety element with cover : de en
  • DE697125C - Friction roller : de en
  • DE697167C - Extendable sword for underwater sound devices : de en
  • DE697274C - High-current slide disconnector : de en
  • DE697116C - Protective circuit for electrical systems with protective conductor : de en
  • DE697191C - Arrangement with externally controlled tubular resistance body with internal heating, housed in a gas-filled vessel : de en
  • GB527390A - Improvements in or relating to spring mountings for the rear wheels of motor cycles : en
  • US2216810A - Manufacture of artificial yarns : en
  • DE697343C - Self-seller for electricity or the like with an electric motor for the default factory reset : de en
  • US2216761A - Manufacture of coloring matters : en
  • DE697207C - Reflex reflector with rotationally symmetrical, reflective surfaces : de en
  • DE697364C - e of dry rectifiers : de en
  • US2217611A - Terpene-cyanoacyl compound and method of producing the same : en
  • AU497939A - Improvements in rock crushers : en
  • CA391733A - Fabric-making material : en fr
  • GB527574A - Improvements in apparatus for spraying liquids : en
  • US2216879A - Production of titanium pigments : en
  • DE697223C - Arrangement for automatic clearing of the receiving voltages supplied by a rotating DF antenna system : de en
  • GB527458A - Device for the dry disinfection of razors and other objects : en
  • USD122963S - Design for a sewing machine or the like : en
  • US2217507A - Record assembly : en
  • US2217512A - Steam boiler : en
  • DE697362C - Pliers : de en
  • CA391784A - Synchronous motor relay system : en fr
  • USPP427P - Rose plant : en
  • US2217052A - Hook : en
  • DE697176C - Linkage of the secondary connecting rods to the main connecting rods of internal combustion engines in which several pistons work on one crank pin, in particular radial engines with the same cylinder axis angles : de en
  • US2216752A - Stabilized lubricating oil composition : en
  • US2216795A - Measuring instrument : en
  • DE697266C - Cassette for cinema recorders : de en
  • US2217013A - Conversion of diolefin hydrocarbons to aromatic hydrocarbons : en
  • US2217648A - Adjustable locking multileaf gauge : en
  • US2216850A - Mechanism for limiting the calling possibilities of a telephone apparatus : en
  • US2216751A - Heavy metal salts of thioether carboxylic acids : en
  • US2217262A - Light inspection or display device : en
  • US2217223A - Play yard : en
  • US2216825A - Building temperature control system : en
  • USD122906S - Design foe. a unitary sole and heel fob footwear : en
  • USD123039S - Design fok a dkess : en
  • USRE21597E - Service regulator : en
  • GB527566A - A portable stove or heater employing butane gas, petrol and like combustible fuels : en
  • CA391794A - Olefin hydrating process : en fr
  • US2217071A - Combined planter and fertilizer dropper : en
  • US2217210A - Foldable container : en
  • DK58045C - Apparatus for Cutting Pieces of Yeast or Similar Plastic Materials. : da en
  • GB527519A - Foil for passage through a fluid : en
  • GB527512A - Improvements in and relating to sealing-in machines for electric lamps and the like : en
  • US2217044A - Belt and pulley : en
  • US2217137A - Method of making floor coverings, table coverings, and the like : en
  • DE697124C - Process for protecting tannin solutions used in gas purging devices against freezing : de en
  • DE697261C - Suction dredger head with a bucket wheel fitted with several buckets : de en
  • DE697158C - Process for making lenticular films for color reproduction : de en
  • DE697174C - Resistance body made of semiconductor materials : de en
  • GB527351A - Improvements in or relating to bearing mounting : en
  • DE697180C - Streamlined hollow body : de en
  • GB527339A - Improvements in screw pumps or screw motors : en
  • DE697290C - Monitoring device for the water gap in turbine or pump units : de en
  • GB527321A - Improvements in or relating to elastic backed brushes : en
  • US2217322A - Coated edible product : en
  • USD122894S - Knutson picture protector housing : en
  • USD122940S - Design fob a dish : en
  • GB527528A - Improvements in or connected with stereogoniometer plotting apparatus for use in photographic survey : en
  • US2216749A - Can straightener and method : en
  • USD122998S - Design for a dress : en
  • US2216903A - belt buckle : en
  • US2217284A - Electric cable : en
  • US2217589A - Repeater fuse switch : en
  • CA391773A - Weed burning apparatus : en fr
  • AT159598B - Three or polyphase transformer. : de en
  • AT159639B - Heat-resistant electrode inlet for vacuum discharge vessels with a metal vacuum vessel. : de en
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  • AU98140A - Improvements relating to reflectors : en
  • GB527486A - Improvements in or relating to multi-piston hydraulic pumps and motors : en
  • AT159634B - Process for the production of threads u. Like. Made of rubber or rubber-like materials. : de en
  • CA391808A - Food product : en fr
  • CA391759A - Chlorine production : en fr
  • AU347939A - Metal spraying apparatus : en
  • DE697054C - Seal for rolling mill bearings : de en
  • GB527293A - Improvements relating to annealing metal alloys : en
  • GB527453A - Method and device for restoring to shape the walls of deformed sheet-metal boxes and their lids : en
  • US2216876A - Supporting device : en
  • GB527300A - Improvements relating to reels for strip metal : en
  • GB527484A - Improvements in photoelectric cells, and method for making, sensitizing and stabilizing the same : en
  • DE697014C - Machine for planing gears using the hobbing process : de en
  • AU111637B2 - Improved method and apparatus for separating textile material from rubber : en
  • US2217600A - Metallic car diaphragm : en
  • CA391792A - Display case : en fr
  • USD122892S - Combined desk clock and calendar : en
  • US2217411A - Stapling machine : en
  • US2217136A - Animal trap : en
  • US2217157A - Telefacsimile transmission system : en
  • USD122920S - Design for a piano case : en
  • CA391834A - Display apparatus : en fr
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  • US2217025A - Press with fluid-conducting strain rod : en
  • USD123006S - Design fob a dress : en
  • DE697339C - Connection of shelf posts with the supporting structure of buildings : de en
  • CA391771A - Steam boiler : en fr
  • CA391766A - Locomotive roller bearing unit : en fr
  • US2217129A - Fluid-flow governor : en
  • US2217238A - Sucker rod wrench : en
  • CA391731A - Toilet seat and cover : en fr
  • GB527603A - Improvements in or relating to electric dental furnaces : en
  • CA391740A - Green forage dehydrator : en fr
  • GB527560A - Improvements in and relating to crank shafts : en
  • US2217558A - Seamless knitted fabric and method of producing the same : en
  • USD122908S - Stechbart picture projector slide mount : en
  • AT159627B - Warp knitting machine with weft insertion device. : de en
  • AU111631B2 - Improvements in or relating to telephone systems : en
  • US2216780A - Mechanical pencil : en
  • US2216800A - Hydraulic control device : en
  • US2217299A - Inflation apparatus and control means therefor : en
  • US2217525A - Abrasive paper and process of making the same : en
  • US2216755A - Treatment of refining sirups : en
  • US2216804A - Skiving machine : en
  • US2216900A - Ink bottle : en
  • US2217451A - Process of treating thermoplastic materials : en
  • US2217568A - Grinding mill : en
  • USD122972S - Design for a blouse : en
  • AT159644B - Projection method. : de en
  • US2216729A - Electric discharge system : en
  • US2217219A - Detachable plug coupler for electrical connections : en
  • USD122916S - Design fob a mechanical figure : en
  • AU34640A - Improvements in or relating to beverage brewing devices : en
  • DE697143C - Device for continuous remote transmission of changeable angular positions : de en
  • AT159580B - Chromium-cobalt magnetic steel. : de en
  • US2216782A - Carrying frame for snow removing mechanism : en
  • US2217639A - Measuring system : en
  • CA391831A - Decalcomania transfer : en fr
  • US2217086A - Vehicle wheel : en
  • USD122887S - Design fob a lighting fixture : en
  • USD122891S - Design for an ophthalmic mounting : en
  • US2216734A - Phenolphthalein compounds and methods of producing the same : en
  • USD123010S - Design fob a muff : en
  • US2216895A - Rotary underreamer : en
  • US2217532A - Precious ore recovery apparatus : en
  • US2216819A - Removable end filler for cable winding devices : en
  • US2217492A - Apparatus for testing and matching shuffleboard disks : en
  • AT159606B - Circuit for double call seekers. : de en
  • GB527292A - Wireless receiving systems : en
  • GR9291B - PORTABLE HOME TOOL. : el en
  • AU21240A - An improved hand tool for spreading lines of cotton, wire orthe like : en
  • US2217511A - Electrical panel : en
  • US2216956A - Resonator for telephone bells : en
  • USD123019S - Design for a coffee brewer stand : en
  • US2217633A - Course indicating device : en
  • DE697216C - Process for the production of flashed glass : de en
  • GB527591A - Improvements relating to air raid shelters and the like : en
  • USD123014S - Design for a dress : en
  • GB527590A - Improvements relating to processes for the tanning of hides and skins : en
  • AT159569B - Process for the esterification of cellulose. : de en
  • AU407339A - Improvements in machines for producing rubber covered cord andthe like for use inthe manufacture or repair of covers or casings for pneumatic tyres : en
  • US2216935A - Step-up mechanism : en
  • US2216988A - Depth stop for countersinking, boring, drilling, and similar devices : en
  • US2217534A - Means for treating cloth : en
  • DE697244C - Device on Fourdrinier paper machines to prevent air being entrained : de en
  • US2217156A - Spring assembly : en
  • US2217352A - Elevating device : en
  • US2217449A - Ground working implement : en
  • GB527449A - Improvements in or relating to photographic cameras : en
  • DE697283C - Multiplier cassette : de en
  • GB527361A - Improvements in or relating to registers, indexes and the like and/or to binders therefor : en
  • GB527503A - A new or improved method for obtaining medicinal substances from the sap of conifers : en
  • GB527572A - Improvements in or relating to apparatus for cutting vegetables : en
  • GB527389A - Improvements in sand-blast or like apparatus : en
  • US2217280A - Ultra high frequency modulator : en
  • US2217502A - Stylorgraphic pen : en
  • AT159572B - Device for driving oscillating semi-axles or semi-axle shafts. : de en
  • GB527606A - Improvements in gyratory crushers : en
  • DE697384C - Disconnectable socket with mutual locking of the switch and the socket : de en
  • GB527348A - Improvements relating to record filing systems : en
  • GB527313A - Improvements in or relating to cathode ray tubes : en
  • GB527397A - Improvements in and relating to sheet feeding devices : en
  • GB527322A - Improvements in and relating to the production of welts on straight-bar knitting machines : en
  • GB527500A - Improvements relating to fastening means for driving belts : en
  • GB527522A - Improvements in and relating to grinding mills : en
  • US2217601A - Flexible car diaphragm : en
  • DE697218C - Drive of a Maltese cross gear for cinema machines : de en
  • GB527487A - Improvements in or relating to multi-piston hydraulic pumps and motors : en
  • US2217060A - Cutting of leather : en
  • US2217067A - Roller bracket : en
  • US2217199A - Apparatus for applying thermoplastic tape layers onto a base : en
  • US2217332A - Power transmitting device : en
  • US2216844A - Process for softening water : en
  • US2216733A - Machine for inserting pouring spouts into containers : en
  • US2216996A - Continuously operable machine for the expression from solids of liquids associated therewith : en
  • US2217151A - Automobile door lock : en
  • AT159570B - Process for the production of highly stable cellulose fatty acid esters. : de en
  • DE697183C - Method for breeding fat-forming microorganisms on surfaces : de en
  • USD123016S - Design for a dress : en
  • US2217251A - Fuel tank and bonnet support : en
  • GB527578A - Improvements in connectors or clamps for tubes or rods : en
  • AT159614B - Rotary kiln for the thermal extraction of magnesium. : de en
  • GB527416A - Improvements in method and apparatus for continuously removing oleaginous and foreign substances from webs of fibrous material : en
  • US2217008A - Drafting apparatus : en
  • US2217528A - Railway signaling apparatus : en
  • US2216802A - Cooling means : en
  • US2216998A - Band-pass selector system : en
  • GB527392A - Improvements in or relating to looseleaf books provided with binding means or elements therefor : en
  • US2216789A - Bedside table attachment : en
  • USD122965S - Design fob a dress : en
  • DE697203C - Film reel : de en
  • US2217563A - Fluid dispenser : en
  • GB527613A - Improvement in fuel cock assembly : en
  • US2217604A - Manufacture of cane sugar : en
  • GB527497A - Improvements in and relating to electric discharge apparatus : en
  • DE697212C - Sound absorbing installation for compressed air tools : de en
  • US2217308A - Alignment device foe x-kay machines : en
  • US2217317A - Automobile jacking device : en
  • US2217615A - Terpene-cyanoacyl compound and method of producing same : en
  • US2217620A - Method of and apparatus for printing : en
  • US2217190A - Air conditioning : en
  • US2217249A - Fastener : en
  • GB527286A - Improvements in oil burning heaters : en
  • DE697156C - Film transport device for picture sound film devices : de en
  • GB527491A - Outdoor liquid fuel burners : en
  • DE697368C - Additive three-color film process : de en
  • GB527567A - Improvements in and relating to electron beam devices : en
  • GB527472A - Improvements in or relating to gas fires : en
  • GB527418A - Improvements in or relating to fuel-injection devices for internal combustion engines : en
  • US2217343A - Massaging apparatus : en
  • US2217482A - Lightning arrester : en
  • US2217579A - Liquid level gauge unit : en
  • USD122995S - Design for a dress ensemble : en
  • GB527288A - Improvements in or relating to the heat treatment of metals : en
  • US2217101A - Sinker support for fishing lines : en
  • US2217255A - Gyroscope : en
  • US2217259A - Cage for roller bearings : en
  • US2217606A - Cellular rubber and method of making the same : en
  • DE697258C - Storage and drive of rotating drums : de en
  • DE697165C - Roll parachute : de en
  • GB527388A - Improvements relating to oil burning heaters and the like : en
  • GB527410A - Improvements in and relating to electrical insulating materials : en
  • USD122924S - Design fob a goblet ok similar article : en
  • USD123025S - Design for a buckle : en
  • US2217410A - Heat exchange apparatus : en
  • US2217454A - Greeting or advertising card device : en
  • USD123001S - Design for a lace stocking : en
  • GB527516A - Improvements in or relating to sound motion picture apparatus : en
  • GB527547A - Improvements in cathode-ray tubes and methods of operating them : en
  • AT159623B - Plug rolling mill with pushing carriage. : de en
  • US2217045A - Method of dressing or redressing files : en
  • US2217212A - Apparatus for winding bobbins in fly-frames for subsequent liquid treatment of such bobbins : en
  • CA391789A - Welding system : en fr
  • CA391809A - Fender skirt mounting : en fr
  • USD123024S - Design fob a dress ensemble : en
  • AU111653B2 - An improved electric fitting : en
  • US2216720A - Planter : en
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  • USD123041S - Design for a dress : en
  • GB527328A - Improvements in the saponification of textile materials containing an organic ester of cellulose : en
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  • US2217361A - Gravity measuring instrument : en
  • US2216891A - Broaching machine : en
  • US2217617A - Apparatus for scrubbing rugs, floors, and the like : en
  • US2217644A - Plural compartment container : en
  • US2216949A - Sound collecting system : en
  • US2217154A - Sound recording system and track : en
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  • GB527314A - Improvements in or relating to the pasteurisation and sterilisation of bottled goods and materials for use therein : en
  • US2217491A - Valve for lubricant cooling systems : en
  • US2216937A - Wave filter : en
  • US2217402A - Photocell : en
  • DE697376C - ungen : de en
  • GB527294A - Improvements in shaft couplings for machine tools and other machinery or mechanism : en
  • GB527406A - Improvements in and relating to appliances for moulding balls and similar hollow rubber articles : en
  • US2216870A - Bus duct : en
  • US2217152A - Device for removing drills or other articles from their shafts : en
  • US2216981A - Knife sharpener : en
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  • USD122973S - Design for a candelabrum or like article : en
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  • US2217443A - Electric valve circuits : en
  • GB527513A - Improvements in and relating to sealing in machines for electric lamps and the like : en
  • GB527575A - Improvements in step-by-step lasting machines : en
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  • DE697182C - rail travel : de en
  • DE697260C - Flap lock for the spoon of a spoon excavator : de en
  • US2216966A - Piezometer : en
  • GR9295B - METHOD OF RECYCLING AND REUSE OF OLD MATERIALS OF ASPHALT COATINGS OF ALL TYPES, IN COLD. : el en
  • DE697177C - Device for vibration damping : de en
  • AT159645B - Process for the production of artificial horn plates and for the production of buffalo horn and corozo imitation buttons. : de en
  • GB527393A - Improvements in and relating to aircraft : en
  • US2217040A - Rail anchor : en
  • US2217607A - Apparatus for processing cord tire fabric : en
  • AU111699B2 - Coupling devices : en
  • US2216908A - Industrial diamond wheel : en
  • US2217243A - Weighing scale : en
  • GB527370A - Improvements in or relating to the silencing of gaseous currents : en
  • US2217388A - Hardness testing machine : en
  • US2217485A - Door latch : en
  • US2216788A - Tapered serrated wedge lock : en
  • US2217084A - Telephone system : en
  • US2217371A - Spindle for spinning and doubling frames for wool : en
  • US2216794A - Separable end stop for slide fasteners : en
  • US2217083A - Ice rink construction : en
  • US2216906A - Motor drive : en
  • USD122944S - Mclntire radiator : en
  • USD123013S - Design for a dress : en
  • GB527417A - Improvements in or relating to the reclaiming of rubber from vulcanised products : en
  • GB527553A - Improvements in or relating to sleeve-valve driving mechanism for internal-combustion engines : en
  • DE697148C - : de en
  • DE697271C - Flange connection for long-split turbine housings exposed to high pressures and temperatures : de en
  • US2216945A - Upset pipe joint : en
  • US2217364A - Control system for the power units of aircraft : en
  • US2216992A - Froth flotation reagent : en
  • CA391833A - Roofing element : en fr
  • US2217192A - Internal combustion engine : en
  • US2217419A - Thermostatically controlled device : en
  • DE697341C - Device for measuring the tank content, especially for aircraft : de en
  • AT159585B - Electromagnetic relay. : de en
  • US2217424A - Radio transmitting arrangement : en
  • CA391873A - Liquid dispensing fountain : en fr
  • CA391767A - Rayon manufacture : en fr
  • US2217306A - Paper windening machine : en
  • CA391737A - Furnace baffle and heat-retainer : en fr
  • CA391827A - Christmas tree ornament : en fr
  • GB527430A - Improvements in or relating to methods of the production of iron in powder form : en
  • AT159593B - Use of austenitic or austenitic-ferritic chromium-manganese, chromium-nickel or chromium-nickel-manganese steel alloys. : de en
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  • GB527493A - Improvements in and relating to colour forming developers and process of colour development : en
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  • GR9290B - ELECTRICAL BATTERY INSULATIONS. : el en
  • AU453739A - Improved method and apparatus for separating textile material from rubber : en
  • US2216857A - Antifiltering closure for paper bags : en
  • US2216882A - Method of establishing bleed lines on printing surfaces : en
  • US2217069A - Coffee mill : en
  • US2217592A - Well reamer : en
  • US2216852A - Dust guard for trouser legs : en
  • DE697166C - Can opener with swiveling knife : de en
  • DE697127C - Stapling device, machine, pliers, hammer or the like with spring-loaded slider for the row of staples : de en
  • GB527494A - Improvements in or relating to the manufacture of resinous products derived from acrylic acid derivatives : en
  • GB527334A - Improvements in or relating to closet seats and cove : en
  • GB527366A - Manufacture of improved lubricating materials : en
  • DE697243C - Device for the prevention of accidents when operating paper pulp closures : de en
  • GB527535A - Respiratory apparatus : en
  • US2217456A - Current collector : en
  • CA391760A - Vacuum cleaner nozzle : en fr
  • US2217349A - Impression transmitting medium : en
  • US2217429A - Separation of acetylene from gaseous mixtures containing it : en
  • US2217596A - Control mechanism for machines : en
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  • AT159596B - Air-compressing internal combustion engine with self-ignition, especially for fuels that are difficult to ignite. : de en
  • AU408639A - Improvements in card filing devices : en
  • US2216873A - Storage box : en
  • DE697247C - Film switching device for roll film cameras : de en
  • DE697265C - Device for searching for statistical information : de en
  • US2217183A - Film driving mechanism : en
  • US2217531A - Photographic washer : en
  • CA391819A - Valve for bottle filling machines : en fr
  • US2217175A - Method of testing drilling fluid : en
  • US2217473A - Temperature compensation for voltage regulators : en
  • CA391856A - Alloy for iron and steel : en fr
  • DE697397C - Grate firing with an iron fire pot closed on all sides and a standing door : de en
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  • US2217628A - Transmitting apparatus : en
  • DE697330C - DC switchgear with circuit breakers : de en
  • US2216778A - Heat exchange member and method of making : en
  • US2217427A - Thermionic valve : en
  • US2217468A - Welding apparatus : en
  • US2216743A - Vapor electric device : en
  • US2216760A - Delayed action switch : en
  • US2216777A - Conche machine : en
  • US2216986A - Flue gas filter : en
  • US2217288A - Tire inflation : en
  • USRE21596E - Machine and method for twisting : en
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  • US2216739A - Welding apparatus : en
  • US2217184A - Building unit and building : en
  • US2217585A - Safety cord lock : en
  • US2217122A - Antiskid tire : en
  • AT159609B - Device for transferring the movement of the balance beam, in particular of plus-minus balances, to the balance pointer. : de en
  • AU136340A - Improvements in and relating to articles of wholly or partly tempered glass : en
  • US2216747A - Blade construction for fluid power transmitter : en
  • US2216993A - Light projection system : en
  • US2216912A - Scaffold machine : en
  • US2217099A - Method of producing pure alumina : en
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  • US2216837A - Process for the manufacture of saturated and unsaturated ketones of the pregnan series : en
  • US2217193A - Method of swaging blowpipe nozzles : en
  • US2216889A - Pigment material and process of making the same : en
  • US2217551A - Fire alarm : en
  • US2217059A - Range construction : en
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  • CA391840A - Amplifier network hum reducing means : en fr
  • AU78040A - Variable speed motors : en
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  • US2217394A - Method and apparatus for testing hearing : en
  • US2217559A - Extractor : en
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  • US2217535A - Rock drill : en
  • GB527342A - Improvements in or relating to guns with a wheeled carriage : en
  • GB527455A - Improvements in or relating to oil burning stoves and heaters : en
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  • US2216847A - Fluid pressure braking system : en
  • DE697348C - en : de en
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  • US2216756A - Activated carbon and process of making the same : en
  • US2217276A - Electric conductor : en
  • GB527289A - Improvements in or relating to change speed gearing : en
  • GB527362A - Improvements in or relating to tie plate arrangement for railroads : en
  • DE697192C - Arrangement for direct current motors, the field winding of which is fed during normal operation via controlled discharge paths from an alternating current generator coupled to the direct current motor and directly from the direct current network during the starting time : de en
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  • US2217078A - Friction clutch : en
  • US2217277A - Degenerative plate circuit detector : en
  • US2217374A - Toy : en
  • USD123033S - Design for a dress ensemble : en
  • US2217331A - Fluid applicator for stitching machines : en
  • US2216964A - Coupling system : en
  • US2217072A - Slip supporting device : en
  • US2217399A - Control system : en
  • USD122947S - Design for a fan greasing machine : en
  • US2217125A - Highway marker : en
  • GB527616A - Improvements in or relating to cooling towers : en
  • US2217608A - Fan and orifice assembly : en
  • AU111668B2 - Improvements in or relating to modulation systems : en
  • AU119040A - An improved process for the preparation of charcoal briquettes : en
  • GB527609A - An improved process for refining hydrocarbon oils : en
  • US2217082A - Rubber bearing universal joint : en
  • CA391779A - Oil paint for wet surfaces : en fr
  • GB527473A - Improvements relating to settees and armchairs : en
  • AT159600B - Switching device for three-phase networks connected by star-delta transformers. : de en
  • US2217011A - Process of converting acetylenic hydrocarbons to aromatic hydrocarbons : en
  • US2217489A - Guiding gib for lower edge of elevator doors : en
  • US2216974A - By-pass for luminous tube systems : en
  • CA391732A - Lathing : en fr
  • US2217020A - Depositing machine : en
  • US2217367A - Curtain holder : en
  • US2217405A - Claw film feeding means : en
  • US2216799A - Yarn and fabric production : en
  • US2217392A - Method of packaging chocolate : en
  • US2217014A - Conversion of diolefin hydrocarbons to aromatic hydrocarbons : en
  • CA391747A - Compressor : en fr
  • CA391830A - Electric glass furnace : en fr
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  • US2217588A - Production of motor fuel : en
  • US2217640A - Control system : en
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  • CA391835A - Bonded surface layer : en fr
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  • US2217039A - Printing and reproduction plate : en
  • US2217098A - Lock : en
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  • AU137840A - Improvements in or relating to flashlight dry cells and methods of making thesame : en
  • US2216856A - Process of stabilizing hydrocarbon oil which has been sweeetened with a reagent containing copper : en
  • US2217527A - Cigarette : en
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  • AT159618B - Process for the production of synthetic resins. : de en
  • AT159650B - Method and device for the production of dentures. : de en
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  • DE697198C - en surfaces of synthetic resin objects : de en
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  • CA391786A - Flat rectifier and circuit : en fr
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  • DE697169C - Contactor replacement device : de en
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  • USD123027S - Design for a wallpaper : en
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  • US2217495A - Automatic safety door lock for motor vehicles : en
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  • US2217386A - Apparatus for distilling mineral oils : en
  • CA391825A - Titanium bearing siliceous mineral beneficiating method : en fr
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  • GB527400A - Improvements in or relating to a furnace for melting, refining and holding metals : en
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  • GB527552A - Electric fuel pumps : en
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  • AT159649B - Windshield cleaner for automobiles. : de en
  • DE697326C - Device for improving the running properties of locomotives or traction vehicles : de en
  • DE697381C - Two-part, screwless spacer clip made of insulating material : de en
  • DK58048C - Electric Discharge Pipe. : da en
  • GB527349A - Improvements relating to electrical systems for controlling temperature : en
  • US2216936A - Hand-operated food chopper : en
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  • GB527354A - Improved mud box for pipe leads, outlets and the like : en
  • GB527466A - Means for eliminating slackness between a rotatable spindle and its bearing : en
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  • GB527600A - Improved filling heads and nozzles for bottling liquids : en
  • GB527506A - Improvements in and relating to gun mountings : en
  • DE697129C - Exciter arrangement for the generator of gas-electric vehicles : de en
  • DE697128C - : de en
  • GB527414A - Improvements in or relating to the production of amide condensation resins : en
  • GB527612A - A combined gas injection valve and ignition apparatus for internal combustion engines : en
  • GB527346A - Improvements in apparatus for projecting granular material : en
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  • DE697293C - Connection of a double-walled arched bar, which is subjected to pressure, to a single-walled reinforcement beam : de en
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  • GB527398A - Improvements in or relating to means for regulating the valve gear of internal combustion engines : en
  • GB527385A - A current collector for electric vehicles : en
  • DE697270C - Control device for triple extraction turbines : de en
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  • DE697322C - : de en
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  • DE697334C - Method for determining the direction of magnetic or electromagnetic fields, especially for inductor compasses, direction finders with rotating frames and the like. like : de en
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  • US2217599A - Vestibule connection for railway cars : en
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  • GB527396A - Process for the manufacture of condensation products from trimethyl-hydroquinone andalkylene halides : en
  • GR9297B - CONDITIONING METHOD OF EXTRACTION OF GLAUCOUS RAISINS IN GENERAL ALL YOU ARE SUGAR LIQUID BY HOT AIR. : el en
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  • US2217337A - Apparatus for treating strands : en
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  • USD122951S - Design for a dress : en
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  • US2217121A - Device for supplying fastener elements : en
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  • US2217401A - Saw-tooth wave generator : en
  • US2217206A - Interlocking system for railroads : en
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  • GB527360A - Improvements in or relating to die casting machines : en
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  • US2217254A - Means for automatic control of aircraft : en
  • GB527367A - Improvements in or relating to the shaping of shoe bottom parts : en
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  • GB527565A - A direct process for producing acetyl cellulose soluble in various organic solvents : en
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  • US2217372A - Urea-formaldehyde resins : en
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  • US2216968A - Method for refining lubricating oil distillates : en
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  • US2216841A - Durohydroquinone-monophytylether and process for the manufacture of same : en
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  • US2217208A - Weighing and recording mechanism : en
  • US2217513A - Casein component of water paints : en
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  • GB527529A - Improvements in or relating to reciprocating pumps : en
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  • GR9296B - DRY ELECTRICAL ELEMENT. : el en
  • DE697194C - Process for the preparation of sulphonated cerulein : de en
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  • GB527399A - Improvements in mercury and other conductive liquid switches : en
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  • GB527401A - Improved apparatus for conditioning air by treatment with liquid : en
  • GB527465A - Improvements in rate of change of pressure responsive instruments : en
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  • GB527537A - Improvements in excavator buckets : en
  • US2216834A - Chemical sponge rubber process : en
  • DE697259C - Device for drying and heat treatment of moist to muddy material : de en
  • GB527419A - Prevention of explosions and backfire in oxy-acetylene or the like burners : en
  • US2217241A - Exhaust manifold for internal combustion engines : en
  • GB527358A - Micro-chronometer, in particular for landing altimeters on aircraft for measuring the altitude by means of sound waves by the eeho sounding method : en
  • GB527526A - Improvements in or relating to tuning devices for radio apparatus : en
  • US2217079A - Window stay : en
  • US2217483A - X-ray apparatus : en
  • GB527450A - A new or improved portable wind screen or shield for personal use : en
  • GB527596A - Improvements in and relating to fare indicators for vehicles : en
  • DE697304C - Saddlebag for bicycles : de en
  • US2217638A - Measuring and controlling apparatus : en
  • USD122937S - Game board for public amusement places : en
  • US2217381A - Lister furrow dammer : en
  • US2217598A - Process for refining sugar : en
  • US2217643A - Fluid meter : en
  • CA391817A - Nickel alloy : en fr
  • DE697359C - Saw tooth fitting for lickerin u. Like. on cards : de en
  • GB527355A - Improvements in or relating to the manufacture of electric detonators : en
  • USD122934S - Combined motor and blower housing for fur beaters : en
  • US2216907A - Independent wheel suspension : en
  • US2217181A - Rubber heel : en
  • US2217333A - Machine for making link rods : en
  • US2216833A - Method of forming handle bar and the like : en
  • US2217018A - Visible record equipment : en
  • US2217227A - Interlocking system for railroads : en
  • USD122922S - Invzntors; john flaiwiang, percy l. bowser, wllliam : en
  • USD123040S - Design for a dress : en
  • GB527428A - Improvements in or relating to the production of sulphur-containing condensation products : en
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  • US2217075A - Power-driven conveyer : en
  • US2217107A - Rotor device for rotating-wing aircraft : en
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  • US2217256A - Bowling alley appliance : en
  • DE697272C - Use of a chromium-molybdenum-titanium-iron alloy : de en
  • GB527371A - Improvements in or relating to vacuum cleaners : en
  • GB527624A - Improvements in or relating to electric switches mounted in sealed containers : en
  • DK58057C - Clothes rails for attachment to bicycles' front or rear fenders. : da en
  • AU111663B2 - Improvements in or relating to machines for use inthe manufacture of shoes : en
  • US2216976A - Colorimeter : en
  • US2216867A - Manufacture of coloring matter : en
  • CA391867A - Crutch : en fr
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  • US2216728A - Abrasive article and method of making the same : en
  • US2216727A - Blast furnace process : en
  • US2217421A - Casing for metallic vapor discharge devices : en
  • AU111660B2 - Improvements inthe preservation of fodder : en
  • CA391745A - Lithographer's press : en fr
  • CA391838A - High frequency oscillator : en fr
  • US2217487A - Mechanical contactor : en
  • US2217572A - Motor vehicle : en
  • DE697017C - Edge trimmings and zigzag trimmings to make the same : de en
  • USD122958S - Design for a surfacing machine : en
  • US2217201A - Bearing structure : en
  • US2217167A - Process for the production of ethers of butanol-1-one-3 : en
  • CA391730A - Kitchenette drier : en fr
  • AT159560B - Device for automatic recording of data in telecommunication systems, in particular telephone systems. : de en
  • USD122953S - Composite tucked fabric or the like : en
  • US2216963A - Means for cutting windows in well casings : en
  • US2216793A - Manufacture of colored artificial materials : en
  • US2216717A - Protecting cap for the valves of pressure gas bottles : en
  • US2217195A - Calculating machine : en
  • US2217384A - Protective system for furnace crowns : en
  • AU111616B2 - Improvements in pumps : en
  • AU545939A - Improved method of manufacturing pipes or like hollow articles of reinforced concrete or like plastic material : en
  • US2216914A - Grain cleaner : en
  • CA391861A - Impregnating composition : en fr
  • US2216861A - Automatic adjustment : en
  • CA391843A - Heat and sound insulating unit : en fr
  • DE697383C - he multi-part lower part for plug couplings with rear cable feed : de en
  • US2217031A - Folding table : en
  • US2217464A - Magnetically operated disk-type brake : en
  • US2217566A - Insecticide : en
  • USD122970S - Design for a surfacing machine : en
  • AU111671B2 - Skein holder for use in winding wool andthe like : en
  • US2217250A - Production of oil gas : en
  • USD123044S - Design for a dress : en
  • AU111614B2 - An improved mixing valve : en
  • DE697154C - Key for electric musical instruments : de en
  • US2217529A - Friction clutch : en
  • US2217110A - Railway car construction : en
  • AU449739A - Improvements in kettles andthe like vessels : en
  • CA391782A - Circuit breaker : en fr
  • CA391846A - Sheet metal fastening means : en fr
  • GB527378A - Improvements in or relating to suspending curtains : en
  • AU111669B2 - Improved head and eye guard for sheep : en
  • US2216854A - Vehicle suspension system : en
  • US2217334A - Screen for electro-optical device and method of preparing it : en
  • US2217490A - Lubricating equipment : en
  • US2217516A - Production of organic compounds : en
  • DE697145C - Electrical switch that can be reversed by reversing the direction of rotation of a shaft : de en
  • US2217564A - Combined air-speed indicator and rate-of-climb indicator : en
  • USD123043S - Design for a dress : en
  • US2217220A - Electric measuring apparatus : en
  • US2217362A - Device for handling aircraft : en
  • US2217412A - Device for removing starfish and other parasites from mollusk beds : en
  • DE697372C - Process for the preparation of tertiary aliphatic amines : de en
  • AT159607B - Arrangement for high frequency systems. : de en
  • DE697168C - Process to increase the resistance of tubular, ceramic bodies to internal pressure : de en
  • AT159643B - Spinneret and process for its manufacture. : de en
  • US2216786A - Packing machine for containers and the like : en
  • DE697245C - Method and device for cleaning fiber-containing waste water from paper, wood pulp, cellulose and textile factories : de en
  • DE697163C - Controllable pitch propeller : de en
  • US2216848A - Brake : en
  • US2217463A - Lighting unit : en
  • CA391874A - Container rimming machine : en fr
  • US2216910A - Adjustable lock for expandible portfolios : en
  • US2216943A - Hardness testing instrument : en
  • US2217636A - Hydrocarbon conversion process and apparatus therefor : en
  • US2217478A - Speed regulator : en
  • USD122910S - Lifter foe a broiler oh the like : en
  • US2216784A - Method of forming liner plates : en
  • US2217281A - Telescope eyepiece : en
  • USD122981S - Design for a dress : en
  • US2217104A - Temporary sealing means for gas filled cables : en
  • GB527327A - Improvements in or relating to the combustion spaces of oil engines : en
  • CA391755A - Liquid separator : en fr
  • DE697230C - nd swiveling chimney hood : de en
  • AT159612B - Machine for removing the fish meat from the bone structure. : de en
  • AU448939A - An improved mixing valve : en
  • GB527376A - Improvements in surgical and medical plasters, tapes, bandages and the like : en
  • US2216830A - Container for prevention of heat and cold transfer : en
  • US2216952A - Indicator : en
  • US2217314A - Art of producing designs on leather : en
  • US2216913A - Automatic volume control for phonographs : en
  • US2217413A - Radio direction finding system : en
  • CA391757A - Container packaging machine : en fr
  • US2216827A - Cellulose derivative compositions of matter and articles produced therefrom : en
  • DE697277C - Process for the decomposition of liquid hydrocarbon mixtures : de en
  • US2217145A - Saw sharpening machine : en
  • US2217486A - Tool : en
  • DE697294C - Device for regulating motor circuits for electrically driven vehicles by means of two similar shift drums : de en
  • AT159617B - Process for the preparation of hydrocarbons. : de en
  • US2217292A - Liner segment : en
  • USD122964S - Design for a dress : en
  • GB527308A - Improvements in electric switches and operating gear therefor, particularly applicable to the control of two or more electric motors : en
  • US2216901A - Projection screen : en
  • US2217096A - Cloth laying machine : en
  • US2217557A - Tree protector : en
  • US2217130A - Spray draft unit for humidifying and temperature control apparatus : en
  • US2217266A - Water distilling apparatus : en
  • AU111672B2 - Apparatus for facilitating the installation of electricity services and the fixing, removal and testing in situ of electricity meters : en
  • DE697289C - High-speed water turbine or rotating pump branch axial impeller and an axial or almost axial stator arranged above it : de en
  • AT159608B - Advertising device with fluorescent tubes. : de en
  • DE697398C - Urine catcher : de en
  • US2217538A - Method of making rock wool articles and apparatus therefor : en
  • US2217546A - Electric resistance welding : en
  • GB527287A - Improvements in or relating to couplings : en
  • DE697215C - Electric drive for points, signals or the like with removable motor gear : de en
  • DE697386C - Firedamp-proof plug device that can be locked with a built-in switch : de en
  • DE697387C - Tension spring device for spring mechanisms electrical rotary switch with right and left rotation : de en
  • GB527291A - Improvements in or relating to machines for use in the manufacture of boots or shoes : en
  • GB527422A - Improvements in or relating to self-filling fountain pens : en
  • GR9285B - METHOD OF PREPARATION OF GOODS. : el en
  • US2217108A - Rotating-wing aircraft : en
  • US2217217A - Venetian blind slat : en
  • DE697144C - Electromagnetic regulator and switch for alternators, especially on vehicles : de en
  • DE697262C - Device provided with a free-flying percussion piston : de en
  • GB527454A - Improvements in or relating to whale cooking boilers : en
  • US2216842A - Germicidal compounds : en
  • US2217053A - Bending machine : en
  • US2217434A - Animal ball : en
  • USD122890S - Design foe a fish ltfre : en
  • GB527489A - Device for the supplying of stock to the wire part of a papermaking machine : en
  • GB527501A - Improved means of locking the transmission gear of a motor vehicle, to prevent unauthorized use : en
  • GB527374A - Applying pigments to sheet material : en
  • GB527381A - Improvements in the production of materials for treating animal and vegetable oils for retarding oxidation and the development of rancidity : en
  • US2216721A - Attachment for ripsaws : en
  • DE697234C - Toothed ring dowel : de en
  • GB527323A - Improvements in or relating to electrolytic condensers : en
  • DE697371C - Wear sleeve for blow and flush displacement pipes : de en
  • US2216792A - Gas making apparatus : en
  • US2216987A - Power transmission : en
  • US2216718A - Manufacturing metallic tubular articles : en
  • US2217354A - Manufacture of methyl borate : en
  • AT159615B - Permanent magnet steel. : de en
  • GB527412A - Improvements in and relating to methods of producing discharges suitable as ignitionsparks : en
  • GB527369A - Manufacture of chromable dyestuffs of the triarylmethane series : en
  • US2217575A - Respiratory appliance : en
  • DE697231C - Deck chair : de en
  • DE697280C - . the like with ongoing collection of the basic fee : de en
  • DK58055C - Installations for the production of storage-resistant Flour of animal carcasses and animal waste. : da en
  • DE697355C - Device for simultaneous actuation of the steering of bicycles by means of a common adjustment lever : de en
  • DE697069C - chen, suitable as fertilizers calcium phosphates and trialkali phosphate : de en
  • GB527316A - Improvements in or relating to the production of alcohols from olefines : en
  • GB527340A - Improvements in fastening devices : en
  • US2216817A - Papermaking machine : en
  • US2217545A - Drill sharpener attachment : en
  • USD122977S - Design for a dress : en
  • GB527558A - Improvements in or relating to shower-baths : en
  • US2217116A - Vehicle wheel : en
  • US2217297A - Amplifier circuits : en
  • US2216980A - Butter serving appliance : en
  • US2217650A - Preparation of organic acids : en
  • CA391751A - Double glazed window : en fr
  • US2216806A - Valve setting means : en
  • US2217163A - Plastic composition : en
  • AU403739A - Vitamin and process of obtaining same : en
  • US2217138A - Electric plug : en
  • US2217416A - System for electro-optical transmission of image : en
  • US2217476A - Electric discharge apparatus : en
  • US2217576A - Folding table and seat : en
  • US2216939A - Rotary gas and oil separator : en
  • DE697363C - Pulling disc made from powdered starting material for wire drawing : de en
  • GB527325A - Controlling means for hydraulic motors : en
  • GB527336A - Printing telegraph system : en
  • US2217341A - Footwear : en
  • AT159613B - Denaturation of the sugar used to feed bees. : de en
  • US2217002A - Air cooling means : en
  • USD122979S - Design for a dress : en
  • US2217425A - Glass pressing machine : en
  • US2217556A - Billfold : en
  • DE697137C - Process for the production of manganese sulfate from manganese-containing iron ores, slags o. : de en
  • DE697366C - circulating combustion air : de en
  • US2216934A - Suction nozzle : en
  • US2217271A - Expansible earth anchor : en
  • GB527564A - Improvements in or relating to electric signal transmission systems : en
  • GB527312A - Improvements in or relating to machines for performing shaping operations on shoe soles : en
  • GB527447A - Improvements in and relating to boxes or containers : en
  • GB527483A - Improvements in or relating to closures for cans, jars, bottles and the like : en
  • GB527614A - Improvements in or relating to interlocking concrete building blocks : en
  • GB527520A - Improvements in the treatment of textile materials with synthetic resins : en
  • DE697139C - Process for the recovery of phenols in the extraction of oils with phenols : de en
  • GB527554A - Improvements in or relating to scoring devices for games : en
  • GB527443A - Improvements in and relating to screw propellers : en
  • US2216723A - Hairpin holding and dispensing device : en
  • US2217570A - Door mat cabinet : en
  • GB527382A - Improvements in or relating to drying chambers for clothes : en
  • GR9294B - SILENT BACKGAMMON. : el en
  • DE697132C - Process for the production of molded articles from polystyrene : de en
  • DE697264C - Pump with rotating liquid ring for pumping gases : de en
  • GB527368A - Improvements in or relating to receptacles for sanitary towels : en
  • CA391783A - Meat keeper : en fr
  • US2217554A - Tape match container : en
  • US2217131A - Door lock : en
  • AU111650B2 - Purifications of ketones and ketols : en
  • AT159636B - Rubber tires with inner cells formed by transverse and longitudinal turns. : de en
  • USD122907S - Design for a game board : en
  • CA391858A - Substandard sound film and apparatus : en fr
  • CA391750A - Sprinkler head signalling device : en fr
  • AT159635B - Process for the production of technical rubber hoses with fabric inserts. : de en
  • US2217503A - Interlocked box : en
  • US2217406A - Voltage regulator : en
  • US2217080A - Tire cord demonstration device : en
  • US2217614A - Terpene-cyanoacyl compound and method of producing same : en
  • AT159594B - Duplicating machine. : de en
  • US2217015A - Electrolytic process for the preparation of printing cylinders : en
  • US2217169A - Machine for forming solid carbon dioxide : en
  • US2217204A - Process and apparatus for conditioning air and other gases : en
  • US2216745A - Safety device for wringers : en
  • US2217237A - Dental filling matrix and method : en
  • CA391816A - Multiplying machine : en fr
  • AT159581B - Process for the preparation of butene- (1) -one- (3). : de en
  • US2217561A - Winding machine : en
  • AT159566B - Process for the production of a water-soluble, solid mixture of alkali silicates and alkali acetates. : de en
  • US2217058A - Means for supporting and delivering hairpins and the like : en
  • CA391854A - Hydrocarbon manufacture : en fr
  • US2217470A - Dam construction and repair : en
  • AU111643B2 - Improvements in eddy current electro magnetic machines : en
  • CA391815A - Hoist : en fr
  • GB527356A - Improvements in and relating to machines for forming toothed rings or circular racks : en
  • US2217123A - Apparatus for determining the alterations of the horizontal components of the force of gravity : en
  • AT159557B - Amplifier system. : de en
  • AU450739A - Improvements in or relating to modulation systems : en
  • DE697251C - Separation point for lines, especially measuring and hydraulic lines on aircraft : de en
  • GB527475A - Improvements in or relating to the production of glass or other fibres : en
  • US2216916A - Indicating caliper : en
  • US2217030A - Substituted triazines : en
  • US2216931A - Ethers from reactive acid liquor : en
  • US2217539A - Torsion meter : en
  • DE697306C - Method of straightening leaf tobacco : de en
  • GB527310A - Improvements in or relating to television systems : en
  • GB527608A - Improvements in and relating to lathe and like cutting tools : en
  • AT159632B - Procedure for interrupting the current in multi-anode power converters. : de en
  • AU452139A - Skein holder for use in winding wool andthe like : en
  • CA391870A - Circuit breaker : en fr
  • DK58054C - Process for the preparation of fluorine-containing salt mixtures for wood preservation. : da en
  • GB527432A - All-wing airplane : en
  • US2216905A - Treatment of distillery slop : en
  • USD122943S - Guild t-an casing or similar article : en
  • US2216821A - Dentifrice : en
  • US2217186A - High current space discharge device : en
  • GB527544A - Improvements in or relating to pumps of the sliding vane type : en
  • US2217009A - Process of converting acetylenic hydrocarbons to aromatic hydrocarbons : en
  • US2217569A - Process for the production of metallic iron powder : en
  • DE697320C - Spun concrete body for protective rooms and part of the shelter using this spun concrete body : de en
  • GB527383A - Occasional steps or ladders to house lofts : en
  • GB527471A - Improvements relating to wrapper carrier mechanism for cigar making machines : en
  • GB527490A - Improvements in or relating to landing wheel mountings for aircraft : en
  • DE697301C - Preservation vessel with vacuum indicator : de en
  • GB527468A - Improvements relating to spring mountings for motor vehicles : en
  • GB527531A - Improved means for securing a motor vehicle bonnet in the open position : en
  • GB527306A - Hoods for golf-bags : en
  • GB527507A - Improvements relating to power driven road vehicles having twin rear wheels : en
  • DE697160C - n controllable pitch propellers : de en
  • GB527523A - Improvements in automatic temperature and humidity control in indirect space heating systems : en
  • US2217111A - Toy : en
  • CA391828A - Hydraulic transmission gear : en fr
  • GB527480A - Improvements in telephone apparatus : en
  • GB527353A - Improvements in photoelectric cells and methods and means for making, sensitizing, and stabilizing the same : en
  • DE697351C - Device for displaying a certain approach of a seaplane to the water surface : de en
  • DK58056C - Wheel ring with anti-slip studs, especially for Motor Vehicles. : da en
  • DE697350C - Harness for securing the parachute to the parachute wearer : de en
  • GB527476A - Improvements in the sealing of electric conductors through quartz envelopes : en
  • GB527352A - Improvements in, and connected with, radiant heat tubes : en
  • GB527551A - Improvements in or relating to venetian blind ladder webbing and the like : en
  • DE697344C - Iron-shaped hand pulling hoe : de en
  • GB527580A - Improvements in and relating to gas-tight joints between metallic and ceramic insulating bodies : en
  • US2216722A - Fuel mixing and supply apparatus : en
  • DE697119C - Medical examination equipment : de en
  • DE697367C - Cutter head for milling the end faces of bearings : de en
  • US2217313A - Radio apparatus : en
  • DE697295C - Malfunction recorder for electrical networks in which a relay dependent on the malfunction increases the speed of the recording strip : de en
  • US2216979A - Dowel pin cap : en
  • US2217626A - Method of and apparatus for testing fibrous textile materials : en
  • GB527623A - Improvements in spring loaded piston rings for steam engines : en
  • DE697388C - Circulation switch : de en
  • US2217066A - Station preselector : en
  • DE697299C - Tensile or pressure transmission element : de en
  • CA391813A - Textile material processing : en fr
  • US2216763A - Carbon monoxide purifier and muffler : en
  • US2217393A - Machine for nibbling or punching metal and other sheets : en
  • CA391734A - Fresco painting on cloth : en fr
  • US2216862A - Fuse : en
  • US2217448A - Cathode : en
  • AT159648B - Gutter, gutter iron or the like. : de en
  • US2217475A - Attachment for eyeglasses : en
  • US2216750A - Method of spotting crown caps : en
  • US2217278A - Tie means for concrete forms : en
  • DE697357C - Firing machine : de en
  • US2217385A - Mineral oil distillation : en
  • US2216930A - Stabilizing mechanism for vehicles : en
  • US2217134A - Multiple filament lamp : en
  • US2217182A - Apparatus for and method of circulating molten glass in a feeding container : en
  • US2217514A - Dish : en
  • CA391842A - Ground fixation with bitumen : en fr
  • DE697193C - Movable welding machine for electrical resistance welding in the form of pliers : de en
  • USD122911S - Design for an instrument dial : en
  • AT159595B - Lighting device, in particular for motion picture devices. : de en
  • US2216737A - Rate indicator : en
  • US2217433A - Electrical device : en
  • US2217438A - Electrode for high-pressure mercury-vapor discharge device : en
  • US2217521A - Knitting machine : en
  • US2216803A - Cardboard and cardboard web and method of making same : en
  • US2217155A - Mercuri alkyl phenol derivatives : en
  • US2217294A - Automatic frequency control : en
  • US2216759A - Apparatus for fabricating fibrous material : en
  • US2216766A - Collocating instrument : en
  • US2217460A - Variable pole-number three-phase : en
  • USD123012S - Design for a wallpaper : en
  • US2216779A - Smoke and fume separating : en
  • US2217524A - Crochet hook : en
  • US2216815A - Dehydrating system : en
  • US2216971A - Portable circular saw : en
  • USD123020S - Design for a headdress : en
  • US2216970A - Phonograph record blank : en
  • US2217032A - Shuttlecock : en
  • US2216871A - Float : en
  • US2217605A - Method for the production of cellular rubber masses : en
  • USD122898S - Design for a fishing bod tip : en
  • US2216977A - Method and apparatus for controlling the relative quantities of liquids in a tank : en
  • GR9292B - TUBE CAST IRON GRILL BOILERS. : el en
  • AT159621B - Circuit arrangement for telephone systems with charge indicators. : de en
  • DE697111C - Automatic turning and estate key arranged on the drill bit : de en
  • DE697134C - Bearing shell made of synthetic resin : de en
  • DE697308C - Rocker slide with drives : de en
  • GB527301A - Improvements in receivers or amplifiers for radio and like signals : en
  • US2217506A - Record assembly : en
  • DE697171C - Device for regulating the overheating of the steam : de en
  • DE697281C - Knife guide for mowing machines : de en
  • DE697349C - Edge protection for propeller blades : de en
  • US2217022A - Solid color pattern knitting machine : en
  • US2217106A - Rotor for rotating-wing aircraft : en
  • US2217593A - Bracing for suspension bridges : en
  • DE697133C - I use fungicidal pesticides : de en
  • CA391851A - Shoe last removing machine : en fr
  • AU407839A - Improvements in or relating to automatic volume control circuits for radio and like receivers : en
  • US2217469A - Heat transfer unit : en
  • DE697305C - Spray container for paint and spray equipment : de en
  • DE697202C - Folding photographic camera with photoelectric light meter : de en
  • CA391727A - Wheel flange oiler : en fr
  • US2216787A - Dough twister : en
  • US2216940A - Modulation : en
  • USD123026S - Design for a dress : en
  • USD123036S - Design for a dkess : en
  • US2216924A - Tracer for duplicating machines : en
  • US2217248A - Metallic window construction : en
  • US2217533A - Suspension for lighting fixtures : en
  • US2216969A - Rapid fire artillery gun : en
  • US2217627A - Die for forming plastic materials into threads or ribbons : en
  • AT159582B - Process for the production of capacitor electrodes. : de en
  • CA391853A - Shoe upper shaping machine : en fr
  • US2217132A - Vacuum breaking device in water systems : en
  • US2217597A - Wet bulb thermostatic control : en
  • AU111646B2 - Variable speed motors : en
  • AU118840A - An improved hay, ensilage orthe like sweep : en
  • US2216972A - Combination freight truck with changeable container : en
  • USD122999S - Design for a dress : en
  • AT159556B - Device for the automatic recording of data for communication systems. : de en
  • CA391768A - Calendar and indicator : en fr
  • US2217094A - Tension device : en
  • US2217188A - Radio antenna : en
  • US2217119A - Dispersion of paracoumarone resin and process of producing same : en
  • US2217541A - Piston : en
  • US2217573A - Controlling electric circuits : en
  • DE697210C - Heating system with tools for drying, pressing or rolling temperature-sensitive materials : de en
  • US2216865A - Treatment of drilling fluids : en
  • US2217302A - Radiator and radiator shutter assembly : en
  • US2217450A - Toaster : en
  • US2217263A - Process for conducting exothermic reactions : en
  • US2217355A - Electric filter : en
  • US2217623A - Antenna system : en
  • USD122967S - Combined automobile grille guard and lamps : en
  • DE697135C - Bristle made of natural or artificial elastic material : de en
  • CA391832A - Surface decorating mechanism : en fr
  • US2216725A - Winding machine : en
  • US2216765A - Electrical lamp connection : en
  • CA391781A - Rectifier auxiliary electrode : en fr
  • AT159631B - TV broadcast facility. : de en
  • US2216920A - Cigarette holder : en
  • US2217207A - Fungicidal preparation : en
  • US2217373A - Shaking fourdrinier mechanism : en
  • USD122980S - Design fob a dress : en
  • US2217610A - Method and means for operation of vapor generators : en
  • DE697379C - Process for the production of Krarupadern with a spinning of several layers of magnetizable materials isolated from each other by inorganic insulating materials : de en
  • US2217139A - Tire tool : en
  • GB527474A - An improved catamenial device : en
  • GR9286B - METHOD OF MANUFACTURING CIGARETTES AND SIMILAR BOXES FROM ANY KIND OF PAPER AS PAPER. : el en
  • US2217159A - Typewriting machine : en
  • USD123031S - Design fob a buckle : en
  • GB527426A - Improvements in or relating to axle counting in railway signalling : en
  • GB527303A - Improvements in apparatus for feeding fuel into continuous kilns : en
  • US2216941A - Resin and process for its preparation : en
  • US2216911A - Animal trap : en
  • DE697307C - Conveyor device for materials of all kinds : de en
  • GB527341A - Improvements in doors for bomb-proof shelters : en
  • GB527438A - Improvements in and relating to the production of hosiery on straight bar knitting machines : en
  • US2216796A - Measuring instrument : en
  • US2216919A - Animal trap : en
  • US2217357A - Clutch : en
  • GB527377A - Improvements in or relating to flyers for the spindles of roving, twisting and spinning machines : en
  • US2216822A - Ratchet releasing means : en
  • USD122982S - Design for a dress ensemble : en
  • GB527602A - Improvements in apparatus for receiving television and like signals : en
  • US2217088A - Measuring instrument : en
  • GB527587A - Improvements relating to soot blowers : en
  • US2216811A - Coin operated vending machine : en
  • US2217235A - Manufacture of compositions of lead and its oxides : en
  • GB527568A - Improvements in and relating to electric thermal switches : en
  • GB527618A - A process for the production of sintered bodies of light metals : en
  • US2216869A - Apparatus for treatment of metal : en
  • US2217124A - Receptacle-closing means : en
  • US2217652A - Laminating press : en
  • US2217081A - Vehicle wheel : en
  • DK58059C - Procedure for Manufacturing Straamaatter or Straamaattebaner. : da en
  • US2216948A - Wall construction : en
  • US2216989A - Taking mine samples : en
  • US2217567A - Plate-type heat exchanger : en
  • US2217408A - Suppressing parasitic oscillations in high frequency arrangements : en
  • US2217493A - Method of making reinforced paper bags : en
  • CA391756A - Clutch : en fr
  • CA391765A - Heat exchanger : en fr
  • GB527485A - The separation of aminoacids from acid hydrolysates of proteins : en
  • US2216983A - Underfired coke oven : en
  • US2217232A - Ignition apparatus : en
  • US2217233A - Automobile foot pedal safety control : en
  • GB527347A - Process for the production of articles with highly polished surfaces : en
  • GB527576A - Improvements in weighing scales : en
  • US2217010A - Process of converting acetylenic hydrocarbons to aromatic hydrocarbons : en
  • US2217029A - Stock quotation system : en
  • AU122340A - r Improvements in luminescent materials andin sources of light comprising them : en
  • DE697113C - Machine for cutting, lifting and conveying peat sod : de en
  • US2216849A - Process for preparing aryl mercaptans : en
  • US2216929A - Fishing lure : en
  • US2217224A - Alidade : en
  • US2217515A - Conversion of ricinoleates into other organic compounds : en
  • DE697337C - Motor gripper : de en
  • CA391748A - Ball bearing pulley : en fr
  • USD122926S - Design for- a loop antenna : en
  • US2217340A - Transmission mechanism : en
  • US2217442A - Electrical induction apparatus : en
  • US2216785A - Gas expanded latex : en
  • DK58046C - Rheostat. : da en
  • US2217471A - Automobile battery charging system and flat rectifier therefor : en
  • US2217120A - Copying camera : en
  • US2217577A - Dusting pump : en
  • DE697352C - Device for generating suction for measuring instruments on aircraft through the air wind : de en
  • GB527318A - Method and apparatus for preparing concentrates of sap : en
  • GB527433A - Improvements in or relating to electron discharge devices : en
  • CA391787A - Electric discharge apparatus : en fr
  • US2217148A - Trailer coupling : en
  • US2217498A - Tire chain : en
  • US2217166A - Flush valve : en
  • US2217023A - Art of gelatinizing or colloiding low-viscosity colloids : en
  • US2217437A - Garage door construction : en
  • US2216814A - Vibration isolator : en
  • US2217312A - Baking oven : en
  • US2216888A - X-ray tube : en
  • US2217225A - Feeding means for knitting machines : en
  • US2217180A - Typewriting machine : en
  • USD122901S - Design for a game board : en
  • AT159626B - Process for the preparation of alkoxyalkyl derivatives of carbohydrates of the type (C6H10O5) n. : de en
  • GB527344A - Improvements in and relating to refrigerator cabinets : en
  • AT159573B - Storage storage. : de en
  • US2216933A - Solvent treating process : en
  • US2217279A - Acoustic apparatus : en
  • DE697255C - Self-acting firearm with exchangeable barrel : de en
  • GB527593A - Improvements in light-reflectors for use, for example, on vehicles : en
  • CA391764A - Bearing lubricant seal : en fr
  • DE697067C - Process for the extraction of rhenium : de en
  • DE697345C - Grow cabinet : de en
  • US2216730A - Measuring device : en
  • US2216898A - Process of making dividing bars : en
  • US2216978A - Process for producing pregnanone compounds : en
  • US2217414A - Time switch mechanism : en
  • USD122976S - Design for a dress : en
  • DE697267C - Process for the continuous production of acetylene polymerisation products consisting mainly of monovinylacetylene : de en
  • GB527298A - Improvements in or relating to adhesive sheet or tape material : en
  • US2216774A - Method of making heavy parts of machinery, and the resulting products : en
  • US2216818A - Pneumatic seat : en
  • US2216997A - Band-pass selector system : en
  • US2217621A - Bed quilt or the like and process of making the same : en
  • GB527330A - Improved carburettor for internal combustion engines : en
  • DE697172C - hes in refining iron ores mixed with aggregates and blast furnace to carry out the process : de en
  • DE697374C - Process for digesting phosphates : de en
  • GB527364A - Improvements in or relating to heels, or methods of, or apparatus suitable for use in, fitting heels to shoes : en
  • US2217226A - Timer : en
  • GB527372A - Improvements in charge forming devices for internal combustion engines : en
  • DE697195C - Traveling grate : de en
  • AT159564B - Device on a machine for the production of coherent strands of wire for the production of horseshoe nails. : de en
  • AU111667B2 - Improvements in card filing devices : en
  • AU450939A - Improved head and eye guard for sheep : en
  • AU402339A - Improvements in or relating to machines for use inthe manufacture of shoes : en
  • AT159576B - Device for inserting hose heads into the shuttle of looms. : de en
  • US2216742A - Material handling device : en
  • US2217153A - Apparatus for drying : en
  • US2217242A - Illuminating device for telephones : en
  • US2217198A - Cathode ray device : en
  • US2217351A - Flexible mounting cylinder washer and extractor mechanism : en
  • USD123000S - Design for a dress : en
  • US2216726A - Bearing : en
  • US2217261A - Method of conserving fruit juices : en
  • US2217339A - Ornamental chain : en
  • USD123005S - Design for a power transmission : en
  • US2217165A - Sound-deadening material : en
  • US2217447A - Transmitter : en
  • GB527561A - Improvements relating to portable cookers : en
  • US2217375A - Humidifier : en
  • USD122919S - Design for a piano case : en
  • AT159603B - Trash or trash can. : de en
  • DE697256C - Recoil loader with sliding barrel and locked breech : de en
  • GB527444A - Improvements in or relating to index files for loose papers : en
  • US2217064A - Electrical switching system : en
  • US2217087A - Steam heating system : en
  • CA391839A - Electronic oscillator : en fr
  • DE697336C - Extend non-hardenable steel existing bearing shells and a spout with a copper-lead alloy : de en
  • AT159577B - Plant for operating heating and cooking devices for liquid fuel. : de en
  • US2217172A - Drawing press and process : en
  • GB527579A - Improvements in silicon alloys : en
  • AU456239A - Coupling devices : en
  • DE697235C - Top box for feed silos : de en
  • DE697184C - Process for dyeing mixed webs or mixed fabrics made from natural cellulose fibers and fiber fibers and animal fibers : de en
  • CA391770A - Vapour generator : en fr
  • DE697130C - Electric switch with arc extinguishing by a flow of compressed gas : de en
  • DE697287C - Pattern piercing device : de en
  • AT159602B - Device for displaying landing sites for aircraft landing on firm ground or on water at night. : de en
  • AU113933B2 - Improvements inthe method and apparatus forthe manufacture of soapflakes : en
  • AU111659B2 - Improvements in kettles andthe like vessels : en
  • US2217046A - Fender skirt latching mechanism : en
  • DE697250C - Storage of liquids, especially fuel, in air vehicles or other vehicles : de en
  • DE697369C - Trigger bar for hiking wooden pillars : de en
  • GB527359A - Improvements in or relating to multi-piston hydraulic pumps and motors : en
  • US2217422A - Glass-metal seal : en
  • GB527435A - Improvements in or relating to the setting of barrelled fasteners : en
  • DE697178C - Mill firing : de en
  • DE697365C - Shaving agent containing borax : de en
  • CA391810A - Fender skirt mounting : en fr
  • GB527448A - Improvements in mechanical refrigerating apparatus : en
  • GB527452A - Improvements in or relating to regenerative air-heaters and like heat-exchangers : en
  • AT159563B - Device for regulating the temperature of ovens using thermal currents. : de en
  • GB527518A - Improvements in machines for testing the accuracy of face curves in gears, gear shaper cutters and other articles : en
  • US2216880A - Screen wire stretching device : en
  • GB527599A - Battle cruiser and motor torpedo boat carrier : en
  • DE697327C - Electrode for an image decomposition tube with probe scanning : de en
  • GB527440A - An improved railway rail joint : en
  • DE697278C - Hunting seat and walking stick : de en
  • US2216894A - Rock bit : en
  • US2217316A - Plate stack heat exchanger : en
  • GB527319A - Improvements in or relating to rail fastening means and to spikes for use in connection therewith : en
  • US2216938A - Roller cutter : en
  • GB527402A - A process for the separation of an azeotropic vapour mixture containing alkyl phenols : en
  • GB527482A - Improvements in and relating to clothes wringers : en
  • AT159565B - Method for crimping fibers made from acetyl cellulose. : de en
  • AT159567B - Process for obtaining the solid components of pulp waste liquors. : de en
  • CA391738A - Grain car door : en fr
  • GB527379A - Improvements in or relating to motors for operating reciprocating conveyors : en
  • GB527423A - Improvements in or relating to the hydration of vinyl acetylene : en
  • US2216757A - Alkali activation of black liquor : en
  • US2216860A - Breechblock operating mechanism : en
  • USD122935S - Andres communication switchboard : en
  • US2216957A - Game apparatus : en
  • CA391752A - Shaving device : en fr
  • GB527337A - Improvements in pulling over machines for use in shoe manufacture : en
  • AU452639A - Improvements in or relating togas pressure generating cartridges forthe operation of mechanical devices, and to charges therefor : en
  • DE697321C - Slotted grating made up of two different groups of bars at different heights and on a gap : de en
  • DE697286C - Milk can washing machine : de en
  • US2216990A - Mechanical movement : en
  • US2217508A - Railway traffic controlling apparatus : en
  • US2216982A - Hand-actuated carriage : en
  • AU111666B2 - Improvements in or relating to automatic volume control circuits for radio and like receivers : en
  • CA391865A - Cellulose ester stabilization : en fr
  • US2217176A - Brake wear indicating apparatus : en
  • US2217457A - Generator voltage regulator : en
  • USD122984S - Design for a dress : en
  • US2217311A - Lumber : en
  • US2217043A - Well testing tool : en
  • US2217307A - Powder box : en
  • US2217549A - Valve spring for engines : en
  • USD122955S - Design for a dress : en
  • USD122992S - Design fok a dress ensemble : en
  • US2217062A - Centrifugal amalgamator : en
  • US2217428A - Traction motor ventilating system : en
  • US2217423A - Glass-to-metal seal : en
  • USRE21595E - Undergarment : en
  • US2217093A - Skull separator : en
  • US2217247A - Machine for making sandpaper and other abrasives : en
  • US2217335A - Means and process of making containers : en
  • DE697120C - Catheter holder : de en
  • GB527290A - Improvements in printing methods and printing inks : en
  • US2217035A - Sash holder : en
  • US2216840A - Preparation of aryl mercaptans and resulting composition : en
  • AT159553B - Shielding for electrical lines. : de en
  • CA391818A - Vehicle wheel mounting : en fr
  • US2217304A - Safety wringer : en
  • DE697284C - Flash lamp : de en
  • US2217383A - Electrical condenser : en
  • US2217390A - Dry heat thermoplastic-denture press : en
  • US2217359A - Head clamp and light reflector : en
  • AU111636B2 - Improvements relating to feedback phase modulation receivers : en
  • US2217555A - Cooking vessel : en
  • US2217048A - Magnetic work holder : en
  • US2217446A - Arc-back indicator : en
  • DE697225C - : de en
  • CA391868A - Air conditioning system : en fr
  • US2216946A - Phonograph record : en
  • US2217115A - Method of building houses : en
  • US2217253A - Refrigerating apparatus : en
  • CA391780A - High-speed motor grease-overflow catcher : en fr
  • AT159587B - Electromagnet for electrical apparatus, such as electrical voltage regulators, current and power regulators, relays. : de en
  • AT159583B - Method and device for regulating the fuel supply in internal combustion engines. : de en
  • DE697241C - Embroidery machine : de en
  • DE697324C - Detergents and wetting agents : de en
  • DE697149C - or the like : de en
  • US2217290A - Spring unit : en
  • GB527622A - A combined toothbrush and toothpaste container : en
  • AU111765B2 - Improvements relating to adjustable vehicle seat frames : en
  • AU111617B2 - Improvement in grinding machine : en
  • DE697164C - Power plant for aircraft : de en
  • USD123037S - Design for a pump : en
  • GB527446A - Improvements in and relating to extrusion apparatus : en
  • AU111658B2 - Improvements in or relating tothe treatment and assembly of lapped metal parts : en
  • AT159558B - Signaling devices in telecommunications systems. : de en
  • US2217229A - Insulator : en
  • AT159640B - Diagonal pull for ski bindings. : de en
  • US2216877A - Blue flame burner : en
  • DE697122C - Resilient insert for mattresses, pillows, upholstered furniture or the like with a sloping surface : de en
  • DE697311C - Process for the production of feed yeast : de en
  • USD122974S - Design for a unifokm : en
  • US2216922A - Method of making grommets : en
  • US2217113A - Synthetic wool : en
  • US2217221A - Carriage for accounting machines : en
  • US2217431A - Totally enclosed dynamoelectric machine : en
  • US2216775A - Method of seasoning wood : en
  • US2217459A - Yarn tube : en
  • CA391814A - Textile material processing : en fr
  • US2216883A - Outlet box : en
  • CA391736A - Furnace flame-diffuser and heat-retainer : en fr
  • USD122927S - Cooler for bottled beverages or similar article : en
  • USD123034S - Besign for a dress : en
  • AT159589B - Safety device against strong pressure drops in gas pipes. : de en
  • AT159611B - Printing press. : de en
  • USD122900S - Design for a combined bottle and stopper : en
  • AU111657B2 - Metal spraying apparatus : en
  • GB527515A - Improvements in drives for floor cleansing machines : en
  • GB527545A - Improvements in or relating to feed mechanism for use in machine tools such as grinders and the like : en
  • CA391778A - Garment : en fr
  • CA391821A - Flexible power transmission member : en fr
  • US2216824A - Rounding machine : en
  • CA391785A - Photo-sensitive apparatus : en fr
  • US2217168A - Electron discharge device : en
  • USD122968S - Design for a drawn furnace radiator : en
  • CA391820A - Hatch cover fastener : en fr
  • CA391860A - Light sensitive electric device : en fr
  • DK58047C - Electric Lamp with a High Pressure Mercury Vapor Discharge Tube. : da en
  • CA391799A - Styrene and compound production : en fr
  • US2217634A - Art of processing flowing fluids or materials which are caused to pass through a processing zone : en
  • US2217396A - Circuit arrangement in television receivers : en
  • US2217574A - Molding construction : en
  • USD122936S - Lining ob the like : en
  • US2216954A - Ear muff : en
  • US2217613A - Terpene-cyanoacyl compound and method of producing same : en
  • USD122949S - Design for a hat steamer : en
  • US2217400A - Rope clamp : en
  • US2216932A - Solvent extraction operation : en
  • AU43040A - Improvements in eddy current electro magnetic machines : en
  • US2216897A - Man's shorts : en
  • US2217027A - Vacuum breaking device in water systems : en
  • US2217073A - Signal device : en
  • DE697170C - Fabric softeners : de en
  • DE697395C - Electric discharge lamp or fluorescent tube filled with noble gases and mercury and a luminophore layer excited by the mercury radiation : de en
  • CA391807A - Frequency responsive network : en fr
  • AU152240A - Improvements in or relating to air separators, and pumping apparatus and liquid dispensing apparatus including the improved air separator : en
  • CA391775A - Foot controlled washfountain : en fr
  • CA391805A - Bi-metallic ice rack : en fr
  • AU111621B2 - r Improvements in luminescent materials andin sources of light comprising them : en
  • DE697121C - Device for cleaning and cleaning metal objects : de en
  • DE697196C - Process for improving extracts of vegetable tanning agents : de en
  • US2216962A - Pressure coring device : en
  • US2216994A - Power operated razor : en
  • DE697268C - Process for the production of straight-chain acetylene polymers in the liquid phase : de en
  • DE697153C - Free piston machine with fuel injection depending on the compression pressure : de en
  • DE697208C - Process and winding machine for the production of tubular coets with a hollow conical beginning : de en
  • US2217562A - Metal street light shade : en
  • US2217141A - Hydraulic brake control : en
  • USD122903S - Design for a lighting fixture : en
  • CA391869A - Organic acid production : en fr
  • US2217415A - Discharge apparatus : en
  • USD123008S - Design fob a curtain ob similar article : en
  • US2216735A - Photographic film : en
  • US2217074A - Calling device : en
  • US2217303A - Temperature control valve : en
  • USD122961S - Design for a dress : en
  • AT159633B - Paper container. : de en
  • US2216885A - Ignition tester for internal combustion engines : en
  • US2217296A - Electrical heating element : en
  • US2216762A - Liquid chilling device : en
  • USD123004S - Design for a dress : en
  • AU111639B2 - Improvements in rock crushers : en
  • CA391844A - Hydrocarbon oxidation : en fr
  • US2217270A - Production of colored or pictorial designs : en
  • USD123038S - Design for a dress : en
  • DE697373C - Process for digesting phosphates : de en
  • GB527304A - Improvements in or relating to means for inserting metallic fastenings suitable for use in the manufacture of boots or shoes : en
  • GB527311A - Improvements in or relating to cooking stoves : en
  • DE697175C - : de en
  • CA391872A - Fluid dispenser : en fr
  • DE697370C - Release device for pit stamp : de en
  • GB527333A - Improvements in or relating to calorimetric apparatus : en
  • US2217143A - Purification of petroleum contaminated waters : en
  • CA391793A - Grounding switch : en fr
  • US2216719A - Vitamin : en
  • US2217295A - Cooling of propeller-shaft sterntube bearings : en
  • CA391848A - Snap fastener socket : en fr
  • US2217291A - Fluid fuel burner : en
  • US2217365A - Filler strip : en
  • US2217497A - Switching scheme : en
  • USD122933S - Radiator grille for an automobile : en
  • CA391850A - Shoe machine : en fr
  • US2216783A - Vacuum moistening process : en
  • US2217037A - Driving mechanism : en
  • US2217328A - Temperature responsive device : en
  • US2217635A - Control system : en
  • US2216863A - Molding : en
  • US2217318A - Marshmallow whipper : en
  • DE697291C - Process for the refinement of purge gas tar from hard coal : de en
  • AU452239A - Apparatus for facilitating the installation of electricity services and the fixing, removal and testing in situ of electricity meters : en
  • DE697313C - of chlorobenzene and water : de en
  • DE697342C - Self-seller with a device for returning coins that have already been inserted : de en
  • US2217051A - Ice topping device : en
  • US2217526A - Indicating circuit controller : en
  • US2217370A - Screen wrapped perforated liner pipe : en
  • DE697314C - Permanent magnet steel : de en
  • USD123015S - Design fob a dress ensemble : en
  • US2216736A - Photographic film : en
  • US2217637A - Control system : en
  • US2217624A - Vacuum cooker : en
  • CA391728A - Propeller governor mechanism : en fr
  • GB527556A - Improvements in or relating to a support for tapered pipe or rods in wells : en
  • GB527479A - Improvements in or relating to the preparation of a soap : en
  • US2217197A - Cathode ray device : en
  • AT159555B - Procedure for isolating live components. : de en
  • CA391859A - Paper coating apparatus : en fr
  • US2217398A - Electric discharge tube : en
  • AT159592B - Four-wheeled motor vehicle with front and rear swing axles. : de en
  • AT159616B - Process for the production of hydrocarbons. : de en
  • DE697279C - Selective self-seller : de en
  • DE697353C - Direction indicators for bicycles and motorcycles : de en
  • GB527439A - Astringent preparation : en
  • GB527605A - Improvements relating to solid fuel heating stoves : en
  • US2217581A - Liquefied gas dispensing system : en
  • DE697150C - : de en
  • US2216805A - Popcorn machine : en
  • US2217461A - Hydraulic brake apparatus : en
  • US2217580A - Liquefied gas dispensing system : en
  • DE691460C - Device for shredding tough, bulky goods : de en
  • DE697375C - Device for the optional reception of two messages : de en
  • GB527610A - Improvements in or relating to photographic or cinematograph objectives : en
  • US2217028A - Bottle holder : en
  • USD122889S - Design for an inkwell base support : en
  • USD123023S - Design fob a dress : en
  • GB527326A - Fire protection material : en
  • GB527363A - Improvements relating to pressure-tight packing devices : en
  • GB527462A - Improvements relating to steel sectional boilers : en
  • GR9288B - METHOD OF CONSTRUCTION OF BLUE EC FROM VEGETABLE CASE. : el en
  • DE697226C - Screw slot clamp for electrical lines : de en
  • DE697332C - Procedure for starting rotor-excited alternating current machines : de en
  • US2216746A - Wringer : en
  • US2217350A - Tool holder : en
  • USRE21594E - Windshield cleaner : en
  • USD122886S - Design for a tie clip : en
  • US2216801A - Internal combustion engine : en
  • US2217642A - Measuring apparatus : en
  • US2217164A - Process for producing facsimiles : en
  • US2217505A - Stove : en
  • US2216984A - Cooking utensil : en
  • US2216999A - Lug strap construction : en
  • US2217645A - Projectile : en
  • CA391837A - Magnetron amplifier : en fr
  • DE697181C - Engine mounts, in particular for motor vehicles : de en
  • DE697228C - Device for measuring, displaying and signaling the frequency of alternating voltages : de en
  • US2217236A - Photographic exposure meter : en
  • US2217257A - Evaporator : en
  • US2217417A - Electron discharge apparatus : en
  • USD122931S - Design for, an air filter : en
  • DE697288C - Centrifugal machine with a sealed connection between the supply or discharge pipe and the centrifugal drum : de en
  • DE697036C - Method for examining the subsurface of the earth : de en
  • GB527492A - Improvements in or relating to aerial bombs : en
  • GB527611A - Projectiles or bullets and a method of producing the same : en
  • US2217315A - Light source : en
  • US2217336A - Means and process of making containers : en
  • US2217602A - Hypodermic needle : en
  • GB527619A - Abrading apparatus : en
  • GB527534A - Method for producing a material for surface covering and fire protection : en
  • GR9298B - HORIZONTAL TWO-CYLINDER HYDRAULIC PUMP. : el en
  • DE697199C - Device for digging and uncovering beetroot and similar root crops : de en
  • DE697360C - Koetzerspulmaschine with a sensor that scans the winding : de en
  • US2217293A - Receiver tuning control : en
  • GB527394A - Improvements in and relating to the cylinders of internal combustion engines : en
  • GB527350A - Improvements in or relating to step-by-step electrical transmission systems : en
  • US2217041A - Measured service telephone system : en
  • AU111645B2 - Improvements in or relating tothe cooling of gaseous mixtures : en
  • GB527495A - Improvements in or relating to radio direction finders : en
  • GB527543A - Improvements in or relating to joint constructions for vehicle bodies : en
  • US2216809A - Heater and thermo control therefor : en
  • US2217269A - Push-pull audio amplifier circuit : en
  • US2217391A - Liquefier and method of carbonating beverages : en
  • US2217591A - Paper feed for bread wrapping machines : en
  • US2217603A - Manufacture of beet sugar : en
  • GB527456A - Improvements in or relating to landing gear for aircraft : en
  • GB527615A - Apparatus for applying extended surface elements to the tubes of heat exchange devices : en
  • DK58049C - Tool to Prevent Masks in Knitwear Running. : da en
  • US2217170A - Phonograph record : en
  • AT159575B - Process for the catalytic hydrogenation of aliphatic, low molecular weight oxyoxo compounds. : de en
  • AU111654B2 - Improvements in or relating to flashlight dry cells and methods of making thesame : en
  • CA391824A - Titanium dioxide pigment : en fr
  • DE697138C - Process for the production of ascorbic acid-containing gold compounds from water-soluble keratin breakdown products : de en
  • US2216864A - Take-off connection for sheet metal pipe : en
  • US2217245A - Wire-drawing machine : en
  • DE697152C - Printing device for calculating, registering and invoicing machines : de en
  • US2217472A - Movable louver : en
  • US2217162A - Conductor cable : en
  • USD122997S - Design for a dress : en
  • DE697239C - Sealing plate consisting of a metal support with filler : de en
  • GB527451A - Improvements in and relating to electric rotary switches : en
  • US2217481A - Precipitator indicating system : en
  • US2216975A - Liquid dispensing apparatus : en
  • US2217267A - Tone control : en
  • USD122952S - Design for a uniform : en
  • USD122888S - Design fob an inkwell base support : en
  • US2217647A - Means for filling orders in retail stores : en
  • US2217366A - Silk screen printing apparatus : en
  • GB527404A - Improvements in poultry coops and the like : en
  • GB527563A - Improvements in and relating to hollow rollers : en
  • GB574929A - Improvements relating to gun mountings : en
  • US2216767A - Riveting tool : en
  • AU111641B2 - An improved hand tool for spreading lines of cotton, wire orthe like : en
  • US2217584A - Article of furniture : en
  • GB527586A - Improvements in or relating to separate leaf kinematograph apparatus : en
  • US2216950A - Direction finder : en
  • CA391811A - Brake lever : en fr
  • DE697356C - Safety device against theft of bicycles : de en
  • CA391788A - Electric compensated condenser : en fr
  • US2217147A - Bailer bottom element : en
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