• US2218507A - Method and apparatus for circulating water in swimming pools : en
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  • US2219018A - Method and means for emitting sig : en
  • US2219073A - Locomotive tender : en
  • AT159679B - Magnesium alloy. : de en
  • CA392030A - Commutator for dynamo-electric machines : en fr
  • AT159664B - Method and device for sinking bores provided in drum shells or similar cylindrical bodies. : de en
  • US2218622A - Thermocouple : en
  • US2219266A - Hose and pipe coupling : en
  • DE697796C - Process for burning hydrocarbon fuels in burners : de en
  • DE697916C - Ribbon made of translucent cell horn for headbands, hair clips, bracelets or similar items of jewelry : de en
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  • US2218921A - Concentric conductor transmission line : en
  • USD123169S - De sign for a pin clip : en
  • CA392065A - Air brake : en fr
  • US2219045A - Slide fastener separable stop and method of making the same : en
  • US2219215A - Hydraulic braking apparatus : en
  • US2219061A - Crown sheave support for drilling machines : en
  • US2218846A - Control for electric fuel pumps : en
  • US2218527A - Feeding predetermined charges to traveling molds : en
  • AU111712B2 - Improvements in blood transfusion and storage apparatus : en
  • US2218686A - Vegetable washer : en
  • AU111713B2 - Improvements in machines for cleaning containers as drums or barrels by flushing : en
  • CA392050A - Thread covering apparatus : en fr
  • US2218777A - Sash balance : en
  • US2218641A - Valve operating means : en
  • US2218660A - Process of producing products of high wetting power from aliphatic ketones : en
  • DE697806C - Pantograph : de en
  • US2218615A - Vehicle brake shoe : en
  • GB528091A - Improvements in pumps for producing a flow of conducting liquid : en
  • US2218903A - Mulitple bowden wire structure : en
  • US2219044A - Toilet seat and the like : en
  • US2219185A - Incubator : en
  • CA392013A - Measuring device lubricating system : en fr
  • US2218658A - Radio beacon system : en
  • US2219000A - Lip and facial rouge compact : en
  • AU168740A - Improvements in and relating to the spraying of material on a surface : en
  • US2218717A - Randing device : en
  • GB528077A - Improved electric battery lamp : en
  • US2218980A - Tunable band-pass selector : en
  • US2219170A - Portable heater and cooker : en
  • USD123231S - Design foe a dress : en
  • GB528264A - Improvements in methods and apparatus for splicing rubber articles : en
  • US2218544A - Writing and imprinting machine attachment : en
  • US2218801A - Leuco sulphuric acid esters of vat dyestuffs of the anthanthrone series : en
  • US2218955A - Guide for flexible well lines : en
  • US2219063A - Valve reseater : en
  • US2218986A - Ortho-hydroxy azo dye : en
  • US2218723A - Clutch operating apparatus : en
  • US2218787A - Herbicide : en
  • US2219194A - Magnetic focusing of cathode ray tubes : en
  • DE697749C - sonic transducer : de en
  • US2219218A - Pipe and hose union : en
  • DE697772C - Device for flat knitting machines for even at the carriage reversal points : de en
  • GB528257A - Improvements in and relating to the manufacture of starch : en
  • US2218764A - Saw-tooth wave generator : en
  • USD123182S - Design fob a hat : en
  • US2218908A - Snap switch : en
  • US2219060A - Automatic work stop : en
  • US2219135A - Apparatus for smoking frankfurters : en
  • US2219164A - Extreme pressure lubricant : en
  • US2218676A - Garage construction : en
  • US2218706A - Freight container : en
  • US2219253A - Tieback : en
  • DE697898C - Circuit arrangement for the charge control of network group coin telephones : de en
  • US2219206A - Dispenser drum : en
  • GB528087A - Improvements in or relating to compressor regulators : en
  • AT159728B - Process for the preparation of δ 2 -imidazolines substituted in the 2-position. : de en
  • US2218692A - Fluid pressure braking apparatus : en
  • US2219277A - Mounting for watchcases : en
  • DE697809C - Circuit arrangement for the charge control of the Netzgruppenmuenzfernsprecher : de en
  • DE697827C - Filter device for liquids, especially for the lubricating oil of internal combustion engines : de en
  • DE697785C - Advertising facility : de en
  • GB528137A - Improvements in or connected with conveyers of the belt type : en
  • DE697664C - Circuit for sub-exchanges with dialer operation : de en
  • GB528180A - Improvements in and relating to all-wing aeroplanes : en
  • DE697861C - ng : de en
  • US2218556A - Lockstitch sewing machine : en
  • DE697781C - Silencers, especially for internal combustion engines : de en
  • GB528167A - Methods of decorating objects and decorated objects obtained by means of these methods : en
  • DE697832C - Equipment for emergency lighting of shelters : de en
  • DE697784C - Process for the production of a feed enriched with protein : de en
  • US2218712A - Variable speed control for the transmission of power : en
  • AT159749B - Electric discharge tube. : de en
  • DE697786C - : de en
  • DE697844C - Form lathe for turning non-round, for example triangular or polygonal workpieces, such as rolling blocks in particular : de en
  • USD123246S - Design for a play suit ensemble : en
  • US2218984A - Machine tool construction : en
  • US2219150A - Coiling reel : en
  • GB528107A - Improvements in the production of films or sheets of cellulose derivatives : en
  • AU111730B2 - Improvements in or relating to signal devices : en
  • US2218509A - Carton : en
  • US2219165A - Method of making fasteners : en
  • US2218680A - Friction element : en
  • US2218834A - Switching apparatus : en
  • US2219238A - Rim stand : en
  • US2218743A - Well reamer : en
  • US2219216A - Dustpan : en
  • US2218724A - Receptacle for refrigerator use : en
  • DE697901C - Electric knee lever switch with toggle pressure spring : de en
  • DE697716C - Magnetically and thermally triggered small self-switch : de en
  • US2219096A - Fire extinguisher : en
  • US2219039A - Display box : en
  • GB528033A - Improvements in rotary liquid pressure motors : en
  • DE697703C - Method for filling vessels : de en
  • USD123236S - Unitfb statfs patfnt offiff : en
  • GB528194A - Improvements in or relating to apparatus for use in separating solid particles centrifugally from gaseous fluids : en
  • DE697769C - Electric hotplate : de en
  • DE697817C - Artificial tooth crown for natural tooth stamps : de en
  • US2218825A - Ball retriever and the like : en
  • DE697706C - Device for pulling forward or advancing conveyor wagons : de en
  • US2218861A - Four-way valve : en
  • US2218925A - Power supply network : en
  • US2218917A - Lubricating oil and lubrication therewith : en
  • US2218535A - Friction facing and method of making same : en
  • US2219022A - Method for completing oil wells : en
  • USD123233S - Design for a dress : en
  • US2218516A - Method for producing lubricating oil : en
  • US2219102A - Electron discharge device : en
  • GB528227A - Improvements in or relating to thermionic valves : en
  • US2218960A - Flush door latch structure : en
  • US2219023A - Apparatus for forming axle housings : en
  • GB528117A - Improvements in and relating to the compressing and briquetting of raw materials : en
  • DE697914C - Forceps for extracting mandibular teeth and roots : de en
  • AT159731B - Petrol gas burner with automatic regulation of the air supply. : de en
  • US2218584A - Ceramic body : en
  • US2218637A - Fullering wheel : en
  • CA392035A - Circuit interrupting device : en fr
  • GB527994A - Improvements relating to mountings for steerable wheels or other landing elements for aircraft : en
  • DE697874C - Concealed viewing device in adjustable hoods of armored towers in armored vehicles or the like : de en
  • US2218788A - Nozzle chest attachment : en
  • US2219068A - Pivot bearing for watch movements : en
  • USD123173S - Design fob a pin clip : en
  • US2218690A - Pneumatic protector for automobiles : en
  • US2218860A - Sprayer : en
  • US2218957A - Radial flow elastic fluid turbine : en
  • USD123239S - Design fok, a multiple yarn spool holder : en
  • DE697848C - cuttings : de en
  • US2219251A - Process for decorating wooden surfaces, canvas, and the like : en
  • DE697714C - Expansion sleeve for telecommunication cable : de en
  • GB528286A - Improvements relating to the spraying or moistening of granular, powdered and other materials : en
  • CA392016A - Vehicle bumper : en fr
  • AU111725B2 - Improvements in and relating toa handgrip for sporting appliance and process of applying same : en
  • US2218941A - Siphon equipment : en
  • US2219158A - Method of manufacture of stereograms : en
  • US2219108A - Process for treating skins for the manufacture of leather : en
  • DE697668C - Closed pipe fuse, especially for high voltage, with one or more replaceable fusible conductors : de en
  • DE697836C - Steam generator : de en
  • DE697894C - Rolling bearing arrangement for the axles of vehicles, especially locomotives : de en
  • DE697899C - Coin telephone with coin counting device : de en
  • US2218836A - Manufacture of alkali cellulose : en
  • US2219015A - Machine for manufacturing fishing nets automatically : en
  • US2218773A - Apparatus for supplying gas : en
  • DE697710C - Antenna structure with preferably all-round ground radiation for broadcasting purposes : de en
  • US2218583A - Chair base : en
  • AT159668B - Projection scale. : de en
  • CA392044A - Shopping bag : en fr
  • CA392092A - Chlorinated rubber product : en fr
  • DE697747C - Hit indicator arranged at the target position : de en
  • US2218867A - Wind power plant : en
  • US2218875A - Method and apparatus for viewing pictures in stereoscopic relief : en
  • CA392088A - Rotating dial clock : en fr
  • CA392076A - Ammunition : en fr
  • USD123209S - Design for a bracelet : en
  • GB528111A - Improvements in milk heaters : en
  • GB528156A - Improvements relating to vacuum cleaners : en
  • US2219113A - Method of electron-microscopically investigating subjects : en
  • US2218999A - Electric heater : en
  • USD123249S - Design for a combination vanity case and appointment indicator : en
  • CA392058A - Metal shingle : en fr
  • DE697838C - Trickle system for cooling towers : de en
  • GB528226A - Improvements relating to ships logs : en
  • US2218747A - Corset or the like : en
  • US2219159A - Convertible brush buster-bulldozer moldboard : en
  • US2218704A - Titanium pigment production : en
  • GB528042A - Improvements in or relating to fuel injection for internal combustion engines : en
  • GB527976A - Improvements in synchronous dynamo-electric receivers and transmitters : en
  • CA392091A - Fuel-injection engine : en fr
  • USD123223S - Holder or similar article for a perfume bottle : en
  • USD123212S - Design fob a trash receptacle : en
  • AT159716B - Reinforcement insert. : de en
  • US2218613A - Brake system : en
  • US2218878A - Casket receiving and placing device : en
  • US2218621A - Storage battery : en
  • US2219161A - Pipe coupling : en
  • DE697919C - Process for deforming polyvinyl chloride : de en
  • GB528142A - Improvements relating to bedside or like screens : en
  • AU111700B2 - Improvements in or relating to aircraft navigation aiding systems : en
  • DE697715C - Speed controller for electrical machines : de en
  • GB528012A - Improvements in and relating to connecting rods for operating oscillating screens : en
  • DE697833C - Device for Koetzerspulmaschinen for loading the storage containers arranged at the winding positions with empty tubes : de en
  • AT159670B - Device for polishing cylindrical workpieces. : de en
  • AU111711B2 - Improvements in rotary fluid pumps ofthe type employing vane propellers forthe fluid : en
  • GB528031A - Improvements in or relating to machines for the production of tablet glasses, ampoules and the like : en
  • US2218755A - Composition of matter and method of preparation : en
  • GB528298A - Improvements in or relating to air heating devices for motor vehicles : en
  • GB528302A - Improvements in rotary compressors : en
  • GB528162A - Improvements in and relating to the production of amino acids : en
  • GB528307A - Improved sheet feeding mechanism for addressing and other printing machines : en
  • US2218524A - Frequency modulation system : en
  • US2218947A - Safety cap for ball players : en
  • US2218503A - Stretching mechanism : en
  • US2219074A - Ball and the like. : en
  • CA392042A - Melamine manufacture : en fr
  • US2218666A - Container : en
  • US2219234A - Arrangement for sucking-off the boundary layer on airplane wings : en
  • DE697741C - Shift gearbox with reversible direction of rotation of the output shaft : de en
  • DE697761C - Process for the production of nitrogen-containing condensation products : de en
  • US2219209A - Electrodialysis of papain : en
  • US2219236A - Musical toy : en
  • DE697702C - Wheel suspension, especially for motor vehicles : de en
  • DE697924C - Spark plug : de en
  • DK58082C - Procedure for the Preparation of Yeast Preparations. : da en
  • US2218870A - Conveying and manipulating apparatus : en
  • GB528018A - Burner for oil and other fuel : en
  • GB527967A - Television apparatus : en
  • GB528279A - Record chart for automatic recording instruments : en
  • GB528100A - Apparatus for making hot beverages : en
  • GR9312B - STEFANIS CONNECTORS FOR BOXES AND SIMILAR. : el en
  • GB528085A - Fitting fastener : en
  • GB528034A - Improvements in rotary liquid pressure motors : en
  • US2218616A - Brake means : en
  • US2218597A - Air conditioning method and apparatus : en
  • GB527995A - Improvements in or relating to pneumatic tyre covers for vehicle wheels : en
  • IE16130L - Azo dyestuff : en
  • DE697825C - Protective tube cover for valve push rods of internal combustion engines : de en
  • US2218828A - Method of producing photographic transparencies : en
  • US2219262A - System for detecting and locating defects in cable sheaths : en
  • DK58090C - Intermediate Frequency Overlay Receive Coupling with Automatic Tuning Correction. : da en
  • GR9301B - MOISTURIZING LIQUID FOR MOVIE MOVIE. : el en
  • US2219117A - Electron discharge device : en
  • US2218569A - Glycosides of pentose ethers : en
  • DE697803C - Process for the preparation of amine-aldehyde condensation products : de en
  • DE697905C - Electric gas switch : de en
  • DE697872C - Brake pull rod, especially for motorcycles : de en
  • AU111727B2 - Improvements in and relating to power operated lawnmowers : en
  • GB528013A - Improvements in and relating to steps for manholes and the like : en
  • GB528072A - An improved method and means for the repair of pipe lines and electric cables : en
  • DE697707C - Switching device for monitoring several driver's cab brake equipment : de en
  • GB528230A - Improvements in fire boxes for locomotives : en
  • US2219101A - Oil filter circuit : en
  • US2218518A - Process for treating oils : en
  • US2218526A - Transmission of frequencymodulated waves : en
  • US2219106A - Mold for making hollow concrete casts : en
  • GB527980A - Improvements in or relating to cathode ray tubes : en
  • GB528036A - Improvements in or relating to rotary air compressors and pumps : en
  • US2218587A - Process for producing aliphatic ketone anils : en
  • US2219141A - Combined cleansing, massaging, and toilet article : en
  • USD123253S - Design fob a dress : en
  • US2218883A - Invalid lifting and transferring device : en
  • US2218829A - Wringer : en
  • US2219182A - Core winding arrangement : en
  • DE697628C - Circuit arrangement for telephone systems with main and sub-exchanges : de en
  • USD123227S - Design for a rear car of a railway train : en
  • US2218604A - Horizontal catalytic reactor : en
  • DE697895C - Evaluation device for pulse combinations : de en
  • GB528296A - Method of manufacturing selenium rectifiers and photo-electric cells : en
  • DE697694C - Synchronization process for picture and television broadcasts : de en
  • GB528080A - Improvements relating to degreasing apparatus : en
  • GB528304A - Improvements relating to photo-mechanical printing : en
  • GB528146A - Improvements in apparatus for promoting the circulation of water in lancashire, cornish and like internally flued steam boilers : en
  • US2218654A - Process for bending glass sheets : en
  • GB528068A - Instructive and demonstration apparatus or toy for the construction of various electric machines : en
  • GB528138A - Improvements in or relating to softening or conditioning agents and methods of producing the same : en
  • GB528198A - Improvements in the mounting of the chassis of radio and television apparatus or the like : en
  • US2218697A - Electric measuring apparatus : en
  • US2218927A - Reciprocating ram pump : en
  • DE697709C - High-frequency amplifier with two oscillating circuits that are permanently detuned from one another and separated by an intermediate tube : de en
  • DE697739C - Tobacco pipe with a collecting chamber arranged under the bottom of the pipe head : de en
  • DE697880C - Additional protective cover for house roofs and attics : de en
  • US2218547A - Method of saturating fibrous stock : en
  • USD123213S - Electric cigarette and cigar lighter : en
  • CA392017A - Cop winding machine : en fr
  • DE697765C - Pantographs for electric railways : de en
  • US2218576A - Machine for use in the manufacture of shoes : en
  • US2218939A - Urethane-like compounds : en
  • GB528076A - Improvements in electric battery lamps of the safety or like types : en
  • GB528237A - Dental plates : en
  • DE697187C - Process for the production of complex thorium X compounds : de en
  • GB528114A - Improvements in and relating to the manufacture of light metal cartridge cases : en
  • GB528170A - Improvements in or relating to valve mechanism for internal combustion engines : en
  • IE16000L - Magnesium alloys : en
  • USD123243S - Design for a dkess : en
  • US2219090A - Power-operated safety razor : en
  • US2218673A - Rail flaw detector mechanism : en
  • GB527974A - Improvements in and relating to the preparation of colloidal suspensions : en
  • DE697906C - Multiple row brush holders for electrical machines : de en
  • GB528184A - Improvements in apparatus for degreasing non-absorbent articles : en
  • GB527998A - Improvements relating to windscreen wipers : en
  • GB527982A - A machine for wrapping loaves of bread and other articles : en
  • DK58087C - Blocking device for Picture receivers, Sound receivers or Picture and Sound receivers. : da en
  • GB528151A - Improvements in valve amplifying circuits : en
  • AT159675B - Metal cabinet with pull-out boxes. : de en
  • AT159715B - Tilting device with energy storage system. : de en
  • GB527972A - Improvements in and relating to injection moulding machines : en
  • US2218900A - Ephedrine iodide and compound : en
  • US2219221A - Belt tread for tractors and the like : en
  • US2218568A - Ethers of pentahydric alcohols : en
  • AU205939A - Improvements in or relating to toasting machines : en
  • GB528101A - Improvements in and relating to closures for containers : en
  • AU57440A - Improvements in or relating to circuit breakers : en
  • US2219035A - Display box : en
  • US2219076A - Automobile clothes hanger : en
  • DE697778C - Key locking device for motorized calculators : de en
  • GB528063A - Improved process for rinsing textiles treated with hardness-resisting washing agents : en
  • GB528128A - Improvements in or relating to film identifying apparatus : en
  • DE697752C - Device for selecting the needles as well as the breeding : de en
  • AU111738B2 - Improvements in and relating to the spraying of material on a surface : en
  • US2218669A - Core of comminuted magnetic material : en
  • GB528190A - Improvements in and relating to cigarette paper : en
  • US2218693A - Control mechanism for empty and load brake : en
  • GR9310B - HEAVY OIL AUTOMATIC OIL BURNER. : el en
  • DE697720C - Protection arrangement for incandescent lamps connected in series and equipped with an automatically working short-circuit device : de en
  • DK58094C - Waste incineration plants, e.g. Kitchen waste. : da en
  • US2218581A - Expansion end closure or cap for tubes : en
  • US2218592A - Vitamin preparation and method of making same : en
  • US2218906A - Pipe : en
  • CA392037A - Electric heating unit : en fr
  • DE697857C - Electrolytic heating device for making permanent hair waves : de en
  • AU461339A - Improvements in or connected with cow bails : en
  • US2218972A - Drive gearing for engine starters : en
  • US2219154A - Ball : en
  • US2218762A - Line drop compensator : en
  • US2219235A - Combined sock and arch support : en
  • USD123165S - Brooch or similar article : en
  • USD123170S - Design for a pin clip : en
  • US2218894A - Supporting means for cables and the like : en
  • GB528176A - Improvements in or relating to hydraulically operated brake mechanisms : en
  • DE697723C - Device to avoid the rebound of the thread guide rails of flat weft knitting machines : de en
  • US2218685A - Triple action lock : en
  • DE697232C - Pressure medium control, especially for conveyor slide control : de en
  • DE697756C - Process for purifying alcohols : de en
  • GB528293A - Improvements in or relating to electromagnetic clutches and eddy current brakes : en
  • AU466139A - Improvements in and relating to power operated lawnmowers : en
  • AT159674B - Mechanical door closer with counter spring. : de en
  • CA392052A - Emulsifying mill : en fr
  • USD123216S - Design for a pin clip : en
  • USD123219S - Design fob a dress : en
  • GB528308A - Improvements in or relating to waterproofing emulsions and to methods of preparing same : en
  • AT159722B - Process for the production of blockboards, building panels or the like. : de en
  • US2219241A - Explosion engine : en
  • US2218542A - Phonograph : en
  • US2218771A - Controlling means for gas burners : en
  • AT159734B - Vehicle brake. : de en
  • AU111706B2 - An improved self-locking nut and method of manufacturing same : en
  • AT159705B - Table calculator with storage drum. : de en
  • GB528008A - An improved aggregate for use in the manufacture of concrete : en
  • US2218714A - Store construction : en
  • DE697883C - : de en
  • DE660829C - Process for the production of hard-to-tear, water-repellent sheets provided with colored letterpress and illustration printing, in particular for children's picture books : de en
  • US2218652A - Device for injecting fluids into the soil : en
  • CA392022A - Fatty oil processing : en fr
  • DE697854C - Exhaust hood with backflow protection for liquid heater : de en
  • US2218505A - Door operating mechanism : en
  • US2218552A - Resettable register for meters : en
  • US2218814A - Scuff plate : en
  • US2219191A - Press for automotive vehicle housings and associated parts : en
  • US2218913A - Apparatus for scrubbing and polishing strip metal : en
  • US2219092A - Traffic signal : en
  • US2219114A - Friction clutch : en
  • US2218520A - Process for dewaxing oils : en
  • US2218970A - Molten glass severing mechanism : en
  • US2218977A - Yarn carrier and method for making same : en
  • AT159653B - Vibration dampers, in particular for internal combustion engines. : de en
  • US2218886A - Apparatus for replacing cathodes : en
  • US2218904A - Process of and means for applying elastic sleeves on conduits and the like : en
  • AT159676B - Roll calibration for pilgrim step mills. : de en
  • AT159732B - Hot water and steam generating device. : de en
  • DE697783C - Driver with the driver part wrapping around the workpiece like a band : de en
  • AU111702B2 - Improvements in telephone systems : en
  • AU95540A - Row crop cultivating attachments for tractors : en
  • AU430039A - Improvements in /or relating to systems for operating alarm or other devices using beams of light in conjunction with light responsive cells : en
  • AT159689B - Sprayer. : de en
  • GB528015A - Improvements in or relating to reciprocating pumps for delivering liquid : en
  • US2219100A - Storage battery lifter and carrier : en
  • DE697771C - Chain drive device for the thread guide rails of flat weft knitting machines : de en
  • DK58085C - Procedure for placing flat-shaped batches or similar pressure aids on form rollers in rotary printing machines and devices for carrying out the procedure. : da en
  • CA392011A - Thread bobbin : en fr
  • GB528003A - Improvement in spindle and bearing therefor : en
  • GB528020A - Improvements in and relating to inductor type alternators : en
  • GB528104A - Improvements in and relating to distance-or height-measuring apparatus, more especially for aircraft : en
  • US2218864A - Means for forming and tempering helical springs : en
  • US2219181A - Breeding capsule : en
  • DE697790C - Direction indicators for bicycles and motorcycles : de en
  • GB528306A - Improvements in and relating to pipe couplings : en
  • GB528124A - Improvements in or relating to metallic diaphragms and diaphragm capsules : en
  • GB527970A - Improvements in or relating to the lubrication of conveyor rollers or the like : en
  • DE697737C - Conveyor device for support frames or loads, especially for conveying goods through a heat treatment furnace : de en
  • GB528016A - Improvements in or relating to tobacco pipes : en
  • US2219119A - Regulator and burner apparatus : en
  • GB528273A - Listing mechanism for addressing machines : en
  • GB528295A - Improvements in electromagnetic switches : en
  • US2218586A - Manufacture of a basis for face powder : en
  • US2218919A - Inflatable ball : en
  • US2219211A - Looper and feeding mechanism for sewing machines : en
  • US2219243A - Gyroscopic instrument : en
  • CA392077A - Morphine derivative : en fr
  • US2218528A - Percussion drill : en
  • USD123241S - Design for a shoe heel : en
  • US2218744A - Electron multiplier : en
  • US2218905A - Wireless and like receiver, and tuning control apparatus for use therewith : en
  • US2219041A - Brake equalizer : en
  • GB528234A - Process for the production of protective layers on aluminium or aluminium alloys of magnesium or magnesium alloys : en
  • GB528209A - Improvements in and relating to composite metal structures : en
  • GB528242A - Improvements in and relating to door operating apparatus : en
  • DK58097C - Automatic acting Stop light for Bicycles. : da en
  • DE697856C - Protective cover made of waterproof fabric for handbags, briefcases or similar containers : de en
  • US2218756A - Irrigating pipe connector : en
  • US2218893A - Gearing for rotary irons : en
  • US2218519A - Process for treating oils : en
  • US2218684A - Control for power hammers : en
  • US2219132A - Electric door lock : en
  • US2219177A - Centrifugal extractor : en
  • US2219043A - Floor construction : en
  • US2218877A - Gun which fires during forward movement of the gun : en
  • US2219166A - Drying machine for cylindrical articles : en
  • GB528075A - Process for the manufacture of grinding bodies used for cement, concrete, and like mills : en
  • GB528098A - Improvements in automatic speed control systems for dynamo electric machines : en
  • GB528267A - Improvements in and relating to bottle washing machines : en
  • GB528010A - Improvements in and relating to high pressure safety relief valves : en
  • GB528187A - Improvements in and relating to conveyors : en
  • US2218599A - Propulsion means, especially for aircraft : en
  • US2218938A - Apparatus for reducing frictional resistance of liquid on floating bodies : en
  • US2218890A - Machine for preparing wood blocks for kiln drying : en
  • US2219016A - Method and means for emitting signals with varying signal character : en
  • US2218618A - Lubricant : en
  • DE697922C - Rotary valve seal for internal combustion engines : de en
  • GB528135A - Improvements in and relating to molten inorganic salt baths for thermal treatment : en
  • US2218722A - System for inserting valve seat inserts : en
  • USD123193S - Combination supporting frame and flower holder : en
  • DE697908C - Procedure for testing voltage transformers : de en
  • GB528130A - Improvements relating to cabin or cockpit covers for aircraft : en
  • GB528149A - Improvements in and relating to the mounting of fire hose and like reels : en
  • DK58083C - Washing machine. : da en
  • US2218536A - Fountain pen : en
  • US2218610A - Refining process : en
  • GB528154A - Improvements in and relating to evaporating apparatus : en
  • US2218550A - Prepared citrus fruit peel : en
  • US2219219A - Exercising apparatus : en
  • US2219256A - Dump truck : en
  • US2219120A - Facsimile system : en
  • US2218532A - Continuous centrifugal separator and clarifier : en
  • USD123215S - Design for a handbag : en
  • DE697889C - Process for the preparation of muscle adenylic acid (adenosine-5-monophosphoric acid) and its higher phosphoric acid derivatives from adenosine : de en
  • US2219050A - Wetting agent and detergent aid : en
  • US2219128A - Machine for surface-finishing pilous materials : en
  • DE694031C - Device for moving a two-part window : de en
  • DE697816C - Fan : de en
  • USD123185S - Design for a draft regulator for furnaces : en
  • USD123203S - Design for an air dusting gun : en
  • US2218713A - Process of treating peanuts : en
  • GB528207A - Improvements in and relating to auxiliary carburation devices for supercharged internal combustion engines : en
  • DE697572C - Magnetic quick release or quick relay : de en
  • US2218534A - Citrus fruit gratings and method of preparing the same : en
  • GB528158A - Improvements in the method of, and apparatus for, drying webs of fabric : en
  • US2218805A - Riveting apparatus : en
  • US2219124A - Press paper roll chuck : en
  • GB528099A - Improvements in and relating to electric control systems and apparatus therefor : en
  • AT159681B - Process for the production of photoluminescent glasses. : de en
  • US2218670A - Container : en
  • GB528144A - Improvements in or relating to iron-fittings for footwear, and particularly for mountain foot-wear, and processes of making said iron-fitting : en
  • DE679507C - Multi-shot magazine attachable to a weapon : de en
  • GB528148A - Improvements in and relating to valves : en
  • GB528254A - Improvements in and relating to steam or like turbines : en
  • GB528289A - Improvements relating to boxes or containers principally for transporting chicks : en
  • DE697878C - Protective plate against bullet penetration made by folding metal plates : de en
  • DE697858C - Basic hair clip : de en
  • GB528112A - Improvements in the electrolytic production of manganese : en
  • USD123192S - Design foe a christmas ckib : en
  • DE694581C - Bicycle or motorcycle frames : de en
  • US2218823A - Assembly bolt nut cage : en
  • US2218859A - Dynamoelectric device : en
  • US2218948A - Plow attachment for tractors : en
  • US2219249A - Transmission mechanism for motor vehicles : en
  • GB528299A - An improved process for making explosive compositions for detonating rivets : en
  • USD123201S - Jackson portable light plant : en
  • DE697813C - Arrangement for light / dark control of the cathode ray of the Braun tube of an oscillograph : de en
  • AU111728B2 - Improvements in luminescent materials : en
  • US2219138A - Massaging device : en
  • USRE21603E - Flexible tube coupling : en
  • CA392049A - Acid resisting apparatus : en fr
  • USD123220S - Restaurant building or similar article : en
  • US2218928A - Reciprocating ram pump : en
  • CA392010A - Piston expander : en fr
  • AT159702B - Reset device for running or driving axles of electric locomotives. : de en
  • AT159718B - Process for the production of cellulose fibers from protein-containing viscose solutions. : de en
  • AU32440A - Improvements in or relating to signal devices : en
  • CA392104A - Organic material thread and fibres : en fr
  • US2219139A - Friction clutch : en
  • DE697826C - Filter with magnetic separator, especially for lubricating oil : de en
  • US2218982A - Precision grinding of contoured articles : en
  • CA392054A - Tying fixture : en fr
  • AT159691B - Process for the preparation of phthalocyanine dyes. : de en
  • AT159673B - Machine for polishing buttons. : de en
  • AT159692B - Process for the production of binders. : de en
  • AT159729B - Gas mask. : de en
  • US2218750A - Process for making fluorescent screen material for cathode ray tubes : en
  • AT159665B - Hydraulic slide control, especially for cold saws. : de en
  • AT159661B - B-class push-pull amplifier. : de en
  • AU111732B2 - Improvements in or relating to circuit breakers : en
  • AU142240A - Improvements in electric discharge devices : en
  • US2219267A - Deviometer : en
  • US2218742A - Cathead construction : en
  • CA392039A - Circuit interrupting device : en fr
  • DE697896C - Large loudspeaker for high sound power levels with a bell of considerable dimensions : de en
  • DE697828C - Method and device for manufacturing bags with reinforced filling opening : de en
  • CA392084A - Railway braking apparatus : en fr
  • GR9315B - MANNER OF RESTORATION OF NATURAL MOISTURE IN THE COTTON PIT CONTENTS IN THE COTTON SEED. : el en
  • US2218543A - Fountain pen guard : en
  • US2218651A - Variable speed transmission : en
  • US2218965A - Composite fireproofing member : en
  • US2218588A - Wringer mechanism : en
  • USD123164S - Brooch pin or similar article : en
  • DE697759C - Process for the production of compounds containing a ª ‰ -alkylated pyridine nucleus from mixtures containing them : de en
  • DE697801C - Process for the preparation of furan compounds of the pyrazolone series : de en
  • US2218694A - Building construction : en
  • DK58080C - Windproof Lower Collar. : da en
  • USD123196S - Design for a cabinet top panel : en
  • GB528088A - An arrangement of packing between the plates of plate heat exchangers : en
  • GB528095A - Improvements in or relating to tools or wrenches : en
  • DE697921C - Self-shot with automatic safety : de en
  • GB528000A - Improvements in and relating to apparatus for supervising the speed of revolution of engines and machines : en
  • GB527986A - Improvements in or relating to folding tables : en
  • GB528040A - Improvements in or relating to machines organised for pressing breast flaps on shoe soles against heels : en
  • US2218620A - Flyer spinning means : en
  • US2218640A - Production of aliphatic hydrocarbons of the diolefin series : en
  • USD123200S - Design fob a brooch pin ok similar article : en
  • US2219003A - Trimming condenser : en
  • AU447838A - Improvements in hand atomizers or sprayers : en
  • US2218551A - Process for drying magnesium sulphate : en
  • US2218605A - Electrically controlled brake : en
  • US2218815A - Calculator : en
  • AT159714B - Device for controlling guns or searchlights by a transmitter. : de en
  • GB528172A - Improvements in or relating to looms : en
  • US2218753A - Fastener : en
  • CA392069A - Air brake : en fr
  • DE697866C - Pipe for hot chimneys, towers or the like. : de en
  • US2219205A - Production of phosphorescent substances : en
  • US2218936A - Valve assembly : en
  • US2219151A - Cable socket : en
  • DE697807C - Carbon contact strip for electric traction vehicles : de en
  • DE697742C - Folder for hairnets : de en
  • GB527978A - Improvements in or relating to electron multipliers : en
  • GB528037A - Improvements relating to automatic steering gear for dirigible craft having rudders : en
  • GB528044A - Improvements in and relating to electric welding machines : en
  • GB528200A - Improvements in or relating to electrical measuring instruments of the thermal type : en
  • DE697821C - Method and apparatus for making grids formed from wires for photographic sound recording : de en
  • GB528159A - Improvements in and relating to lock washers : en
  • GB528103A - Improvements in or relating to processes of preparing thioamides and the products resulting therefrom : en
  • AT159741B - Resistance columns made of carbon discs. : de en
  • GB528140A - Steerable turntable for trailers : en
  • US2218739A - Complex phenolic ester bases and salts thereof : en
  • GR9308B - INSPIRATORY TOBACCO DETECTION SYSTEM. : el en
  • GB528205A - Improvements in hot air engines : en
  • AU111741B2 - Improvements in hand atomizers or sprayers : en
  • DE697811C - Tape guidance in tape winding machines for electrical cables : de en
  • GB528284A - An improved gas producer, for use with solid fuels such as wood, peat, straw and the like : en
  • GB528305A - Improvements relating to filing trays : en
  • AT159727B - Method and device for the production of pressure castings from thermoplastic material. : de en
  • CA392100A - Fibrous material digesting apparatus : en fr
  • US2218847A - Electrical system for motor vehicles : en
  • GB528136A - Improvements in or relating to the sizing of fibrous materials such as threads : en
  • GB528125A - Stabilized hypochlorite solutions and methods of preparing same : en
  • US2218998A - Game board : en
  • GB528253A - Improvements in or relating to spring assemblies : en
  • CA392080A - Travelling case : en fr
  • DE697913C - Control device on water ring pumps : de en
  • DE697918C - behoer : de en
  • AT159742B - Process for preserving hard-to-drink woods such as spruce and fir. : de en
  • AT159750B - Process for the production of tubes or similar containers wound from a material web. : de en
  • US2219226A - Grain distribution : en
  • CA392085A - Railway braking apparatus : en fr
  • AT159703B - Process for the production of yarn consisting of artificial textile threads, in particular glass threads. : de en
  • GB528048A - Improvements in paper-sizing media and processes for their production : en
  • CA392062A - Flat surface milling method : en fr
  • US2218806A - Retort : en
  • US2218768A - Piston skirt drilling jig : en
  • US2219231A - Inking mechanism : en
  • AT159720B - Device for the automatic regulation of an air heater for railway vehicles. : de en
  • US2219122A - Protective glass : en
  • US2219142A - Universal joint construction : en
  • US2218657A - Vending machine : en
  • US2218895A - Stoker control system : en
  • US2219246A - Concrete working apparatus : en
  • AT159738B - Device for separating and flocculating the precipitates from liquids mixed with precipitation chemicals. : de en
  • US2219189A - Frequency selective amplifier : en
  • CA392034A - Circuit breaker : en fr
  • CA392093A - Organic compound : en fr
  • CA392094A - Filament and film manufacture : en fr
  • DE697698C - Two-stage eccentric punch operated by hand : de en
  • AT159699B - Wood impregnation agents. : de en
  • AU464639A - Improvement in envelope current device : en
  • DE697729C - : de en
  • US2219153A - Corset or like garment : en
  • USD123250S - Design for a housing for an air conditioning unit : en
  • GB528093A - Method of preparing a fuel mixture : en
  • US2218557A - Treatment of metals : en
  • USD123222S - Design fob a bracelet or similar article : en
  • US2218942A - Sink dishwasher : en
  • US2218748A - Electrical apparatus : en
  • CA392078A - Acid ester salt purification : en fr
  • GB528067A - Improvements in or relating to travelling cranes, hoists and the like : en
  • USD123211S - Brooch ob similar article : en
  • US2218775A - Grinding machine for internal threads : en
  • US2218872A - Broken or short drill detector : en
  • US2219155A - Dimension and warp detector for objects : en
  • US2218971A - Recovery of sterols : en
  • US2219053A - Pipe joint : en
  • USD123161S - Flying boat hull : en
  • USD123225S - Design fob a railway train : en
  • US2218741A - Antenna for broad frequency bands : en
  • US2219255A - Copyholder : en
  • GB528166A - Improvements in or relating to fluid-pressure traversing and locking mechanism for machine tools, more particularly wheel lathes : en
  • AU111740B2 - Improvements in /or relating to systems for operating alarm or other devices using beams of light in conjunction with light responsive cells : en
  • US2218662A - Sink fixture : en
  • GB528105A - Improvements in or relating to electrical oscillation generators : en
  • IE15940L - Treating regenerated cellulose materials : en
  • GB528024A - Improved method of stiffening fabrics : en
  • US2218514A - Method and apparatus for separating wax from oil : en
  • US2219071A - Decalcomania : en
  • US2218602A - Refrigerating apparatus : en
  • US2219105A - Diverter valve : en
  • US2218997A - Agent for improving lubricating oils : en
  • US2219047A - Hose and coupling structure : en
  • GB528141A - Improvements in sealing diaphrams for fluid pressure motors : en
  • GB528139A - Improvements in or relating to quill shaft structures for electric railway vehicles : en
  • GB528297A - Improvements in or relating to heat exchange elements : en
  • GB527979A - Improvements in or relating to the production of sodium aluminate products : en
  • GB528157A - Improvements in apparatus for drying webs of fabric : en
  • GB528132A - Electric relay or switching devices for controlling flashing and other intermittent signals : en
  • DE697819C - Back plate with anchor bar made of one piece for button and long pin teeth : de en
  • US2219055A - Distributing attachment for conveyers : en
  • US2219269A - Vacuum power clutch : en
  • GB527985A - Improvements in and relating to waterproof pellicles and compositions for preparing the same : en
  • DE697736C - Multi-stage steam jet air extractor with rear-watered mixing condensers : de en
  • US2219264A - Forming truing apparatus : en
  • GB528089A - Improvements in plates for heat exchangers : en
  • US2218832A - Holding device for metal trims : en
  • US2219178A - Fire extinguisher : en
  • CA392018A - Container sealing device : en fr
  • GB528004A - A method of making luminescent substances adhere to glass walls : en
  • DE697841C - High-voltage discharge vessel, in particular Roentgen tubes, for connection to touch-safe high-voltage cables : de en
  • US2218537A - Buffing machine : en
  • US2218749A - Fabric reinforcing machine : en
  • US2219025A - Differential mechanism : en
  • US2219272A - Collapsible enclosure : en
  • AT159677B - Block roll with slab track. : de en
  • GB527975A - An improved method of increasing the aromatic content of hydrocarbons : en
  • GB528263A - Improvements in and relating to water closets : en
  • GB528011A - Adjustable displacement meter or pump : en
  • AT159667B - Hydraulically moved planing machine. : de en
  • AT159723B - Pressure reducing valve for high-pressure gases. : de en
  • DE697902C - One-hand switch : de en
  • DE697753C - Method of making torches : de en
  • DE697890C - Quick-closing valve, especially a blowdown valve : de en
  • GB527992A - Process and apparatus for continuously crystallizing sugar and like solutions : en
  • GB528175A - Improvements in sealing devices for crank pin bearings : en
  • GR9305B - CASE MANUFACTURING SYSTEM ADAPTED TO LIGHTING LEAD. : el en
  • GB528161A - Device for the transport of vehicles, particularly in service stations : en
  • DE697911C - Process for the preparation of dyes of the anthraquinone series : de en
  • US2219203A - Automobile signal : en
  • GB528173A - Improvements in and relating to screw and nut gearing, particularly for use in steering gear for motor vehicles : en
  • GB528238A - An improved method of winding yarn or thread packages : en
  • US2218674A - Apparatus for perforating sheet material : en
  • USD123235S - Design for a bottle : en
  • GB528191A - Improvements in collapsible boats and the like : en
  • US2218804A - Plastic forming apparatus : en
  • US2218842A - Hair clipper : en
  • US2219038A - Bobbin guide : en
  • GB528086A - Outer skin for aircraft and other light construction bodies, and process for the production thereof : en
  • GB528252A - Feed-back amplifier filter : en
  • GB528278A - Improvements in wallets for film strips and negatives : en
  • AU111723B2 - Improvement in envelope current device : en
  • US2218766A - Pipe cutting tool : en
  • AU466439A - Improvements in or relating to antenna for transmitting short radiowaves : en
  • GB527968A - Improvements in or relating to automatic frequency control systems : en
  • GB528281A - Improvements in supporting roller arrangements for endless track vehicles : en
  • CA392038A - Electric heating unit : en fr
  • GB528061A - Improvements in or relating to radio direction finding apparatus : en
  • DK58095C - Liquid-cooled, multi-ringed turbine rotor. : da en
  • US2219118A - Burner control apparatus : en
  • US2219259A - Water supply installation : en
  • US2219244A - Current connection ring : en
  • DE697732C - Multi-stage high pressure boiler feed pump for high speed : de en
  • DE697850C - Travel booklet : de en
  • US2218866A - Air brake : en
  • GB528288A - Improvements relating to sideboards and the like : en
  • DE697743C - Drive device on projector arc lamps for appe between lamp and film and a two-part ignition protection flap : de en
  • GB528225A - Grinding wheel truing apparatus : en
  • GB528292A - Improvements in or relating to electric motor control systems : en
  • DE669796C - Method of camouflaging bodies through lighting : de en
  • DE672578C - Rail joint connection : de en
  • GB528081A - Improvements in adjustable seats : en
  • GR9303B - AUTOMATIC CIGARETTE TOUCH AND TEETH EXTRACT EXPORT DEVICE. : el en
  • US2219179A - Closure and reinforcer for cigarette and like packages : en
  • US2218553A - Oil-soluble polybasic acid resin : en
  • US2219017A - Method and means for emitting signals with varying signal character : en
  • US2218529A - Control for conditioning systems : en
  • US2218665A - Container : en
  • US2218993A - Bubble cap : en
  • US2218731A - Built-in lighting unit : en
  • US2219144A - Universal joint : en
  • DK58093C - Procedure for Fractionation of Mixtures of Fatty Acids, Fatty Acid Esters or Both. : da en
  • AU84940A - Method of manufacturing protein product and products resulting therefrom : en
  • CA392019A - Heat transfer apparatus : en fr
  • AT159737B - Hand grenade. : de en
  • US2218754A - Engine starter drive : en
  • CA392095A - Hydraulic hand : en fr
  • AU513139A - Improvements in or relating to apparatus for driving spindles orthe like : en
  • AU111739B2 - Improvements inthe preservation of food products : en
  • US2218608A - Circular loom : en
  • US2218737A - Piston skirt expander : en
  • US2218848A - Signaling system : en
  • US2218871A - Valve : en
  • US2219169A - Adjustable camera holder for automobiles : en
  • US2218793A - Heating and cooling system : en
  • US2218891A - Combined pen, pencil, and spectacle case holder : en
  • US2218949A - Fall-board means : en
  • US2219131A - Coin receptacle : en
  • USD123181S - Design fob a clock ob similab abticle : en
  • DE692959C - Double acting brake linkage adjuster : de en
  • GB528056A - Improvements relating to tobacco ash receptacles : en
  • US2218933A - Composition for preventing efflorescence on clay brick : en
  • GB528303A - Improvements in or relating to sliding roofs for motor vehicles, and more particularly passenger cars : en
  • GB528038A - Improvements in or relating to wet gas meters : en
  • US2219127A - Highway gate : en
  • US2218830A - Combined antenna and power cord : en
  • GB528026A - Improvements in or relating to rockets : en
  • US2218546A - Fuel tank selector simulating single or multiple fuel tank supply for ground trainers : en
  • US2219201A - Reel for hose, cables, etc. : en
  • US2218585A - Means for and method of closing and sealing the filler opening of containers : en
  • US2219276A - Oil burning furnace and the like : en
  • US2218857A - Automatically operable projectile : en
  • GB528021A - A machine for grinding circular saw blades : en
  • CA392036A - Motor speed regulator : en fr
  • US2218609A - Electromagnetic apparatus : en
  • US2218865A - Lawn mower : en
  • USD123245S - Design fob a photographic printer : en
  • US2218990A - Method and means for maintaining gear tooth alignment between pinions and gears : en
  • US2219183A - Package : en
  • USD123217S - Design for a combined lamp and clock : en
  • AT159739B - Process for the production of fats, oils and tears and protein products from animal or vegetable raw materials, in particular waste. : de en
  • DE697768C - Electric heating element made of high-melting meta : de en
  • US2218612A - Mold for battery grids : en
  • DE697621C - China, namely booking machines : de en
  • DE697885C - Gas light : de en
  • US2219195A - Electronic voltage regulator : en
  • US2219229A - Governor : en
  • DE697719C - Electric motor with friction clutch and brake : de en
  • AU467239A - Improvements in or relating to producer gas apparatus for trucks tractors andother vehicles : en
  • GB528258A - Improvements in and relating to the production of dextrose : en
  • US2218675A - Construction of composite walls : en
  • USD123176S - Design for a pin cup : en
  • US2218664A - Apparatus for dyeing rayon yarns : en
  • US2219147A - Electrical control apparatus : en
  • US2219248A - Concrete placement apparatus : en
  • USD123171S - Design for a pin clip : en
  • AU111718B2 - Row crop cultivating attachments for tractors : en
  • AT159719B - Elastic sliding joint. : de en
  • CA392075A - Toilet water supply control means : en fr
  • US2218545A - Electricity conductor unit : en
  • US2218840A - Variable speed and motion transmitting mechanism : en
  • US2219230A - Phonograph pickup : en
  • US2219064A - Packing gland mounting : en
  • AU460639A - An improved self-locking nut and method of manufacturing same : en
  • DE697731C - Process for the preparation of 7-iodo-5-chloro-8-oxyquinoline : de en
  • US2219049A - Apparatus for joining successive strip lengths : en
  • US2219146A - Transparent container closure : en
  • US2219237A - Ventilating apparatus : en
  • AT159726B - Process for the production of ring acetals. : de en
  • US2218727A - Apparatus for developing photographic films : en
  • US2218994A - Hand loom : en
  • US2218571A - Telephone system : en
  • US2218678A - Double reflector flashlight : en
  • US2218856A - Retaining and suspending device : en
  • US2219224A - Range finder and like optical observation instruments : en
  • US2218631A - Screw driver : en
  • US2218633A - Textile material : en
  • US2219032A - Carbonator : en
  • US2218639A - Air bag stem : en
  • US2218812A - Brake mechanism : en
  • DE697646C - Process for the production of aqueous fire-extinguishing foam trunk solutions : de en
  • DE697824C - Device for the automatic supply of an additional amount of lubricating oil when starting internal combustion engines : de en
  • US2218617A - Gel retarding agent : en
  • US2218818A - Hydraulic die spotting press : en
  • DE697829C - Notch cover for armored towers : de en
  • GB528274A - Reduction of distortion in electric signal transmission systems : en
  • US2218645A - Polyvinyl halide composition : en
  • US2218715A - Oil cleaner and temperature regulator : en
  • US2218981A - Manufacture of chlorhydrins : en
  • AT159717B - Process for the production of hollow bodies from rubber. : de en
  • CA392103A - Metal oxide removing process : en fr
  • US2218858A - Sealing ring for containers : en
  • USD123178S - Design for, a pin clip : en
  • US2218914A - Multiplex receiving circuit arrangement : en
  • US2219186A - Magnetic latch : en
  • AT159682B - Process for the production of coronal casings. : de en
  • USD123205S - Design for a textile fabric : en
  • SE100071C1 - Electron tubes for high frequencies and methods of making such tubes. : en sv
  • US2219048A - Tablet making machine : en
  • US2218629A - Protective device for electrical instruments : en
  • DE697822C - Device for recording x-ray diagrams of falling primary beam bundles : de en
  • IE16224L - Antenna systems : en
  • GB528155A - Improvements in and relating to incendiary projectiles : en
  • GB528275A - Improvements in animal power gears suitable for pumping : en
  • US2218522A - Internal combustion engine : en
  • US2219070A - Speed control device for machines : en
  • US2219079A - Refrigerating apparatus : en
  • US2218849A - Unloading device for battery grid pasting machines : en
  • US2218736A - Typewriting machine : en
  • US2218759A - Spraying attachment : en
  • US2218989A - Detector : en
  • AU151340A - Improvements in or relating to regenerators particularly adapted tobe used in hot gas motors : en
  • DK58096C - Support bearing for crankshafts with several bays. : da en
  • US2218985A - Roller bearing : en
  • DE697788C - Two-part safety lock for belts of aviator and similar equipment : de en
  • DE697863C - Foldable seat and couch furniture with subdivided longitudinal bars supporting the deck : de en
  • US2219099A - Safety razor : en
  • US2219162A - Pipe coupling : en
  • AU111717B2 - Improvements relating to electropneumatic braking apparatus : en
  • US2218720A - Cathode ray tube circuit : en
  • US2218504A - Apparatus for preparing cord for making articles such as pneumatic tires, belts, andthe like : en
  • US2218594A - Method of and means for cooling fluids : en
  • CA392067A - Air brake : en fr
  • GB528108A - Apparatus for cooking or heat-treating food and other substances : en
  • GB528163A - An improved process for the disintegration of asbestos and like fibres to prepare them for utilization in the manufacture of fibre-cement materials and apparatus for carrying out said process : en
  • GB528193A - Improvements in or relating to telecommunication exchange systems : en
  • US2218554A - Electric switchgear : en
  • US2218958A - Apparatus for the hardening of tubular steel articles : en
  • US2219107A - Electron discharge device : en
  • US2219222A - Telegraph relay : en
  • USD123228S - Design for a dress : en
  • DE697775C - Process for the preparation of a hair coloring agent : de en
  • US2218668A - Electric meter : en
  • US2219034A - Display box : en
  • US2219273A - Well logging by measurements of radioactivity : en
  • US2218810A - Method of making brake drums : en
  • US2218995A - Fishing rod winding machine : en
  • AT159693B - Burner for boiler. : de en
  • US2218776A - Orchard sprayer : en
  • US2218596A - Refrigerating apparatus : en
  • US2219160A - Combined bulldozer and ripper : en
  • US2219062A - Power operated brake : en
  • DE697728C - with liquefied air : de en
  • US2218521A - Fastening device for mops, brushes, and the like : en
  • US2219037A - Comparison mechanism : en
  • AU446439A - Improvements in blood transfusion and storage apparatus : en
  • US2218655A - Process for producing insoluble titanates : en
  • US2218781A - Method of casting one metal upon another : en
  • US2218784A - Rail flaw detecting method and apparatus : en
  • US2219233A - Drying tumbler : en
  • US2219245A - Crankpin turning tool : en
  • AT159654B - Central multi-way control for piston-operated shut-off devices for opening and closing the various pipelines in water treatment systems. : de en
  • US2218517A - Process for dewaxing oil : en
  • US2218582A - Method for tanning hides and skins : en
  • US2219208A - Blower for applying comminuted material : en
  • US2218573A - Motor and transmission therefor : en
  • DE697726C - Control device for electrically driven knitting machines, especially with three-phase shunt motor : de en
  • US2219087A - Speed controlling means : en
  • GB528090A - Improvements in apparatus for transmitting or receiving coloured television : en
  • DE697831C - Air raid protection system : de en
  • DE697802C - Process for the preparation of N-substituted Asp : de en
  • DE697812C - Centrifugal-controlled impedance starter : de en
  • GB528268A - Improvements in or relating to the treatment of lignin and the products resulting therefrom : en
  • US2218566A - Stabilization of cellulose ethers : en
  • US2218912A - Thermal safety device : en
  • US2218902A - Thermionic valve amplifying circuits : en
  • US2218705A - Method of building construction : en
  • US2219008A - Collet : en
  • AT159724B - Process for processing substances containing alkaline earth metals. : de en
  • US2218783A - Yielding suspension for vertical crusher shafts : en
  • US2219019A - Method and means for emitting sig : en
  • US2218881A - Gun limber : en
  • USD123186S - Design for a green pea sheller : en
  • USD123194S - Design for a ratio meter : en
  • US2218614A - Vehicle brake : en
  • US2218907A - Radio navigation : en
  • GB528050A - Improvements in gun-carriage pivots for pieces of artillery : en
  • DE697701C - Condenser for projection apparatus : de en
  • DK58086C - Apparatus for Testing the Speed of Printing Telegraph Apparatus. : da en
  • US2218992A - Ceiling construction : en
  • US2219083A - Locomotive stoker : en
  • US2219084A - Oven for the low temperature distillation of coal, lignite, or the like : en
  • CA392071A - Engine piston : en fr
  • AU111714B2 - Improvements in or relating to antenna for transmitting short radiowaves : en
  • US2219190A - Valve : en
  • US2218929A - Deviometer : en
  • US2219188A - Cathode ray oscillograph control circuits : en
  • US2218876A - Disk mill : en
  • US2218896A - Hydraulic transmission : en
  • US2219020A - Cop winding machine : en
  • US2218794A - Stapling machine : en
  • US2218873A - Tube cooler : en
  • GB528017A - Improvements in or relating to rock and like drills : en
  • GB528218A - Surface grinding machine : en
  • USD123163S - Design for a brooch or similar article : en
  • US2218508A - Venetian blind : en
  • US2218533A - Method and apparatus for filtering and dehydrating drilling mud : en
  • US2219171A - Electric circuit breaker : en
  • AT159697B - Fillers for soaps and other detergents. : de en
  • US2218996A - Tanning material : en
  • US2219123A - Ice skating shoe : en
  • US2218796A - Thread-controlling mechanism for overedge sewing machines : en
  • US2219198A - Dispensing envelope : en
  • AT159700B - Motor vehicle with a tubular, central support body and with two driven rear wheel pairs arranged close together. : de en
  • US2218648A - Edge grinding machine : en
  • US2219143A - Head lamp construction : en
  • AT159688B - Device for layering panes of glass or other materials with foils or plates made of a highly elastic, non-plastic intermediate layer. : de en
  • AT159651B - Detachable pipe coupling. : de en
  • USD123198S - Design for a cabinet top panel : en
  • DE697847C - Spindle for spinning and twisting machines : de en
  • AU111737B2 - Improvements in or relating to regenerators particularly adapted tobe used in hot gas motors : en
  • CA392087A - Camera film spool : en fr
  • DE697755C - Retaining strips for loosely and damage-free fastening of stamps : de en
  • GB528261A - Improvements in or relating to fuel supply control apparatus for injection internal combustion engines : en
  • US2218898A - Steam generator or water heater : en
  • US2219257A - Wall box : en
  • GB528183A - Improvements in machines for distributing fertilizer or the like : en
  • CA392041A - Fire extinguisher : en fr
  • AT159680B - Method and rotary spinning device for spinning synthetic threads. : de en
  • US2218636A - Radio transmitter synchronization : en
  • US2219125A - Transmission chain : en
  • AT159711B - Pattern sheet. : de en
  • AT159657B - Device for switching through the channels of a carrier stream communication system operating with multiple modulation. : de en
  • AT159656B - Airspace-insulated conductor with at least one spacer wound around the conductor in open screw turns. : de en
  • DE697892C - Sand spreading device for spreading highways and similar roads : de en
  • GB528143A - Apparatus for controlling the rate of flow of a liquid : en
  • AU111715B2 - Improvements in and relating to pick-up control mechanism for automatic talking machines : en
  • AU111735B2 - An improved process for causing luminescent substances to adhere to glass walls : en
  • US2218601A - Brake mechanism : en
  • CA392024A - Friction clutch : en fr
  • GB528206A - An improved copper alloy : en
  • GB528270A - Improvements in or relating to a method of and apparatus for drying printing ink containing a volatilizable inflammable solvent after such ink has been applied to a material : en
  • IE16124L - Line identification equipment : en
  • GB528064A - Improvements in or relating to the manufacture of polyhydric alcohols : en
  • AT159712B - Acoustic-optical headlight remote control. : de en
  • GB528058A - Improvements in and relating to lubricating systems, more particularly for internal combustion engines : en
  • GB528126A - Improvements in or relating to textile printing machines : en
  • US2218574A - Appliance for rolling screw threads : en
  • DE697867C - Control for high-speed two-stroke internal combustion engines : de en
  • GB528106A - Improvements in printing mechanism for calculating machines : en
  • US2218603A - Railway crossing : en
  • US2218946A - Leader for fishing lines : en
  • GB528276A - Improvements in or relating to rock drills : en
  • CA392068A - Air brake : en fr
  • GB528052A - Improvements in or relating to finned pipe heat exchangers : en
  • US2218728A - Cementing hook : en
  • US2218868A - Heater for liquids : en
  • GB528210A - Improvements in or relating to calendering apparatus and the like : en
  • GB528232A - Improvements in or relating to hand mirrors, hair brushes and similar articles : en
  • CA392048A - Thermionic valve circuit : en fr
  • GB528204A - Improvements in and relating to methods for the removal of relatively volatile metals from their alloys with aluminium : en
  • GB528222A - Improvements in or connected with tracks for toy railways : en
  • GB528147A - Improvements in and relating to resinous compositions : en
  • GB528244A - Improvements in and relating to the treatment of fibrous materials : en
  • GR9309B - PORTABLE DIFFUSION OF POWDERED MATERIAL. : el en
  • DE697840C - Air heating, especially for railway vehicles : de en
  • GB528259A - Improvements in means for fixing stay or like rods to mudguards or the like : en
  • DE697767C - Transformer with an iron core divided using spacers made of insulating material : de en
  • US2218578A - Conversion of hydrocarbons : en
  • US2219278A - Sheet abrasive : en
  • USD123252S - Design for a dress : en
  • GB528272A - Improvements in or relating to fluid dispensing devices : en
  • DE697627C - Circuit arrangement for telecommunications systems, in particular telephone systems : de en
  • GB528243A - Improvements in or relating to the heating or sterilization of liquids : en
  • DE697711C - Device for telecommunication cable stranding machines for measuring and automatic control of the braking force acting on a stranding element : de en
  • DE697873C - Direction indicators, in particular for motor vehicles : de en
  • DE697763C - Hard disk, especially for radially loaded steam or gas turbines : de en
  • US2218790A - Sprayer : en
  • DE697744C - Diazotype process for making reflex copies : de en
  • CA392008A - Finger ring : en fr
  • US2218667A - Strip cutting device : en
  • CA392003A - Motor vehicle spring reinforcing member : en fr
  • US2219168A - Stroboscopic analyzer : en
  • US2219213A - Method and apparatus for correcting bow in woven material : en
  • GB528122A - Improvements in or relating to aprons : en
  • DE697740C - Ploughshare with chisel : de en
  • US2218837A - Electromagnetically driven motor : en
  • GB528005A - An electric supply system for starting and feeding, under low tension, an electric discharge tube : en
  • AT159652B - Tube fitting. : de en
  • US2218954A - Adjustable grade iron fence : en
  • US2219093A - Two-stroke internal combustion engine : en
  • US2218850A - Telephone system : en
  • DE697699C - Process for producing molded bodies from quartz glass : de en
  • US2219104A - Control device for oil burners : en
  • US2218523A - Portable concrete step : en
  • DE697853C - Process for the production of coeruleinsulfonic acid : de en
  • GB528153A - Improvements in forks and the like : en
  • GB528195A - Improvements in or relating to electrical lead wires and their attachment to coupling plugs or other devices : en
  • GB528119A - Improvements in and relating to automatic voltage control by induction regulators : en
  • AT159698B - Hollow shaft mandrel for pre-forming seamless corrugated tubes with tricot cover. : de en
  • US2218635A - Diffuser : en
  • USD123197S - Design for a cabinet top panel : en
  • DE697792C - Device for wrapping workpieces such as boxes etc. : de en
  • GB527990A - Crankless internal-combustion engine power-unit : en
  • GB528285A - In looms for weaving, the substituting of weft charged shuttles for those from which the weft has been depleted : en
  • GB528202A - Improvements in and relating to liquid coating and impregnating compositions : en
  • GB528256A - Improvements in and relating to the production of zein compositions : en
  • US2218931A - Device for inflating balloons and the like : en
  • US2219030A - Control system for phonographs : en
  • GB528224A - Device for removing and remounting the spring of overhead valves in explosion engines : en
  • US2218789A - Rotameter : en
  • US2218795A - Method of making abrasive articles : en
  • US2218979A - Method of making electric cables : en
  • US2219261A - Process of activating the carbon monoxide adsorption property of platinum black powder : en
  • GB528246A - Improvements in refrigerating apparatus : en
  • DE697734C - Die setting and line casting machine with line clamping jaw that can be swiveled out and in : de en
  • GB528120A - Improvements in or relating to soldering devices : en
  • GB528233A - Method of manufacturing perforated metallic objects of small volume : en
  • GB528287A - An appliance for cleaning, abrading, hammering or polishing materials, and for depositing a layer of one material upon another : en
  • US2218549A - Cathode ray sweep circuit : en
  • DE697909C - ARC LAMP WITH A MOTOR DRIVEN FEED DEVICE FOR THE COALS : de en
  • GB528294A - Improvements in and relating to fastener members : en
  • US2218854A - Clothesline pulley : en
  • US2218884A - Filter holding box : en
  • DE697705C - Rotary bits : de en
  • GB528171A - Improvements in and relating to injection moulding machines : en
  • GB528014A - Improvements in or relating to conveyors for feeding cigarettes or other rod-shaped articles : en
  • AT159710B - Method for regulating the fuel supply in furnaces heated with impure gaseous or liquid fuels, e.g. B. Ovens. : de en
  • US2218817A - Roll for handling paper : en
  • US2219134A - Combination cover and venting cap for storage batteries : en
  • GB528092A - Improvements in electric switches operated by pulling a cord : en
  • GB528073A - Improvements in or relating to electric water heaters : en
  • USRE21601E - Cultivator disk gang operator : en
  • GB528069A - Improvements in or relating to cellulose derivative emulsions : en
  • GB528121A - Improvements in or relating to dart-boards : en
  • GB528174A - Improvements relating to automatic steering gear : en
  • GB528035A - Improvements in method in the preparation of progressive-burning smokeless powder : en
  • GB528291A - Improvements in the manufacture of electric lamps or discharge devices having vitreous foot-tubes closing vitreous envelopes : en
  • CA392029A - Dynamo-electric machine : en fr
  • USD123248S - Combined dispensing container and eraser display or the like : en
  • GB528251A - Improvements in or relating to plant pots : en
  • GB527987A - New or improved safety device for leaf springs : en
  • GB528029A - Improvements in or relating to method of manufacturing lock nuts : en
  • US2218956A - Typewriting machine : en
  • GB528186A - Improvements in or relating to electric radiators : en
  • DE697876C - : de en
  • GB528030A - Improvements in or relating to manifold recording appliances : en
  • GB528074A - Improvements in or relating to a method of riveting and apparatus therefor : en
  • AT159745B - Alloy for overlay welding. : de en
  • US2218833A - Switching apparatus : en
  • GB527993A - Improvements in and relating to resinous compositions and methods of making the same : en
  • GB528199A - Improvements in or relating to electrical measuring instruments of the thermal type : en
  • GB528201A - Improvements in and relating to wooden rollers, pulleys and the like : en
  • US2219126A - Variable capacity constant speed reciprocating pump : en
  • US2218839A - Stuffing box : en
  • USD123224S - Design fob a bail vehicle : en
  • DE697738C - Melting tank : de en
  • GB528057A - Improvements in and relating to regulating transformers : en
  • GB528109A - Method and apparatus for reducing wear and tear in internal combustion engines : en
  • GB528231A - Improvements in the indirect heating of metal vessels by means of molten salts : en
  • US2218530A - Change speed mechanism : en
  • US2218572A - Hospital bed : en
  • US2218779A - Suspension for instruments on test stands : en
  • US2218843A - Crab and minnow trap : en
  • US2219005A - Formation of chromium-containing layers on the surface of ferrous articles : en
  • AU457839A - Improvements in and connected with needled felt : en
  • US2218611A - Cigarette delivery mechanism : en
  • US2218770A - Shuttle mechanism : en
  • US2218729A - Process for the production of chlorosulphonates : en
  • US2219065A - Double backing machine : en
  • GB528239A - Improvements in and relating to weighing apparatus : en
  • GR9307B - AUTOMATIC FOOTBALL GAME. : el en
  • US2218811A - Dyeing machine : en
  • US2219013A - Voice attachment for mittens : en
  • USD123254S - Design for a toothbrush : en
  • DE697862C - Upholstered seat of a chair : de en
  • DE697947C - Oven for smoldering and coking fuels : de en
  • GB528248A - Improvements relating to the starting of gaseous electric discharge devices such as lamps : en
  • DE697860C - on upholstery or heating elements : de en
  • GB528262A - Portable gardening requisite holder : en
  • GB527996A - Improvements in or relating to electron multiplier tubes : en
  • US2218819A - Hanger apparatus : en
  • US2218821A - Parking meter : en
  • DE697561C - Typewriter tab device : de en
  • DE697903C - and to close a liquid switch capsule : de en
  • DE697791C - Vessels and devices resistant to alkaline liquids : de en
  • GB528265A - Improvements in apparatus for transferring articles from a machine to a conveyor or another machine : en
  • DE697696C - Circuit arrangement for telephone systems with call seekers provided via chain circuits : de en
  • DE697780C - Device for cleaning piston groove flanks : de en
  • US2219214A - Contact chamber : en
  • US2219040A - Speed changer mechanism : en
  • US2219212A - Jewelry display box : en
  • US2218644A - Baking pan rack : en
  • DE697843C - Lathe with cylindrical guides and swivel-mounted tool slides for large chip capacities using cutting tools made of hard metal or diamond : de en
  • DK58089C - Cordless Switchboard for manually operated Telephone systems. : da en
  • US2219136A - Saw with interchangeable blade : en
  • US2219140A - Automotive vehicle construction : en
  • USD123162S - Brooch pin or similar article : en
  • AT159666B - Above ground water post with a protective cover that can be lowered. : de en
  • US2219011A - Apparatus for grinding : en
  • US2218922A - Vaporizer for combustion engines : en
  • US2218988A - Adjustable flow bean : en
  • CA392059A - Boiler injector overflow mechanism : en fr
  • US2219156A - Wheel structure : en
  • US2218932A - Key holder and chain-attaching means : en
  • AU116109B2 - Elastic band, especially driving belt, anda process forthe manufacture of same : en
  • AU417539A - Improvements in or relating to selective switches such asare used in automatic telephone systems : en
  • US2219163A - Sheet straightening machine : en
  • CA392043A - Shopping bag : en fr
  • CA392081A - Battery grid pasting machine : en fr
  • US2218625A - Steam spray sweeper : en
  • US2218950A - Automatic time controlled switch mechanism : en
  • CA392097A - Electric switch : en fr
  • US2219026A - Citrus fruit gratings and the preparation thereof : en
  • DE697733C - Device for mixing wet steam and superheated steam for driving auxiliary machines in steam boiler systems, especially locomotives : de en
  • USD123199S - Design for a curtain stretcher : en
  • CA392073A - Combined soil waste and vent unit : en fr
  • US2218606A - Valve : en
  • US2218718A - Bottle cap : en
  • US2218702A - Electron device : en
  • GB528096A - Improvements in or relating to extreme pressure lubricants and process of preparing the same : en
  • US2218719A - Drive mechanism for windshield wipers : en
  • CA392009A - Overhead logging system : en fr
  • DE697871C - Float control for compressed air fluid separator : de en
  • US2218577A - Sweep rake : en
  • AT159707B - High pressure tubular boiler with forced circulation. : de en
  • AT159686B - Capillary active agents. : de en
  • US2218593A - Shuttle for game of badminton : en
  • US2218841A - Steering mechanism for vehicles : en
  • US2218940A - White lead : en
  • US2218642A - Frequency meter : en
  • US2218703A - Floor sanding machine : en
  • US2219010A - m mantjfacttjre of indophenol-like com- : en
  • US2218889A - Tight winding device : en
  • US2218688A - Ship construction : en
  • US2218885A - Combined plow and harrow : en
  • GB528028A - Button fastener : en
  • AT159669B - Process for soldering and simultaneously venting aneroid cans. : de en
  • CA392006A - Collapsible twin tube : en fr
  • US2219072A - Refrigerating apparatus : en
  • CA392032A - Cathode ray tube : en fr
  • DE697704C - Electroacoustic binaural DF method : de en
  • DE697798C - Road tractor : de en
  • DE697915C - Curlers for perm devices : de en
  • DE697717C - Cover caps for the stationary receiving contacts of fuses : de en
  • DE697795C - Transformer working with periodically regulated transmission ratio : de en
  • CA392102A - Tree trunk barking apparatus : en fr
  • AU115072B2 - Improvements in amplifiers, particularly for wide frequency bands : en
  • US2218835A - Pipe coupling, seal, and the like : en
  • GB528023A - Improvements in or relating to telephone systems : en
  • US2219110A - Mast for drilling oil wells and the like : en
  • CA392045A - Pantographic reproduction apparatus : en fr
  • US2219112A - Imitation tree construction : en
  • US2219187A - Receptacle : en
  • US2218511A - Separating wax from oils : en
  • US2218863A - Chair construction : en
  • US2219009A - Triarylmethane dyestuffs : en
  • DE697823C - -Multiplication : de en
  • US2218700A - Air release valve : en
  • US2219089A - Hypodermic needle mount : en
  • US2218831A - Article dispensing apapratus : en
  • US2219232A - Profiling attachment : en
  • GB527988A - High frequency wave transmission systems : en
  • GB528027A - Improvements in and relating to ventilators : en
  • AT159684B - Process for the preparation of a powdered therapeutic agent for wound treatment. : de en
  • USD123159S - Design foe, a shoe : en
  • DE697800C - Lid made of pull-out metal, especially for milk cans : de en
  • DE697839C - Device for the continuous preliminary and finished refining of pig iron : de en
  • US2219033A - Method and device for generating a beam of ions of high velocity : en
  • CA392053A - Lead oxide : en fr
  • US2218671A - Automatically variable power transmission device : en
  • US2218853A - Pipe : en
  • USD123234S - Design for a dress : en
  • DK58084C - Process for the Development of Energy Using Condensation of Mixtures of Two or More Liquid Vapors. : da en
  • GB528269A - Improvements in steam generators : en
  • GB528060A - Improvements in or relating to suction cleaners : en
  • US2218510A - Tractor : en
  • DE697777C - Device for staggered counting of excess consumption : de en
  • GB528282A - Improvements in and relating to smoking devices : en
  • DE697864C - Changing pad with padded side protection walls : de en
  • GB528249A - Improved control-systems for aircraft : en
  • US2219207A - Apparatus for rolling sheet metal : en
  • US2218733A - Electric lifting jack : en
  • US2218851A - Telephone system : en
  • US2218951A - Cushion cover for seat boxes of railway locomotives : en
  • US2218630A - Measured service telephone system : en
  • DE697845C - Three-phase drive for machine tools : de en
  • GB528216A - Improvements relating to pressure gauges : en
  • USD123184S - De gesare : en
  • GB528113A - Improvements in or relating to thermostats for operating electric switches : en
  • GB528185A - Method of making steel : en
  • DE697835C - Aeration body made of two or more part bodies for the distribution of air and other gases in liquids, especially for the aeration of water : de en
  • US2218765A - Foldable screen enclosure for bed frames : en
  • CA392007A - Tobacco pipe cleaner : en fr
  • US2218531A - Phenols from cashew nut shell liquid and method of obtaining the same : en
  • US2218672A - Line drop compensator : en
  • USRE21604E - Harvester : en
  • GB527999A - Improvements in and relating to pipe couplings : en
  • US2218809A - Porous metal forming apparatus : en
  • DE697713C - Aluminum cable lug : de en
  • GB528102A - Improvements in friction units or snubbers, particularly for railway trucks : en
  • US2219239A - Strip fastener for window glass : en
  • US2218799A - Loose-leaf binder : en
  • DE697849C - Process for the production of corrugated pipes : de en
  • GB528059A - Improvements in calculating machines : en
  • GB528217A - Non-resonating transformer : en
  • AU466039A - Improvements in lawnmowers : en
  • US2218943A - Attachment for golf clubs : en
  • US2219176A - Backfire oil trap : en
  • US2218774A - Dental matrix adjuster and retainer : en
  • US2218802A - Gun perforator : en
  • US2219007A - Bottle washer : en
  • US2218646A - Corner grinding machine : en
  • US2219059A - Process for the production of metallic magnesium : en
  • US2219014A - Clamping means : en
  • USD123158S - Design for a shoe : en
  • US2218969A - Blue print coating : en
  • US2219115A - Reed fabric : en
  • GB528300A - Improvements in or relating to electrical signalling systems : en
  • DE697725C - Lock of a knitting machine by means of electromagnets : de en
  • DE697877C - Arrangement for cushioning heavy loads, especially armored domes : de en
  • GB528129A - Improvements in or relating to the treatment of oils : en
  • GB527989A - Improvements in and relating to tyres for vehicle wheels : en
  • GB528002A - Improvements in or relating to stereotype printing plates : en
  • DE697925C - rch a heat exchanger installed especially in aircraft : de en
  • GB528211A - Improvements in or connected with the ventilation of footwear : en
  • GB528236A - Improvements in or relating to spring forks for cycles and motor cycles : en
  • US2219067A - Method of producing a pivot bearing for watch movements : en
  • AT159725B - Process for the production of nitrogen-containing condensation products. : de en
  • US2219223A - Machine for filling receptacles : en
  • GB528188A - Improvements relating to the cooling of aircraft engines : en
  • GB528280A - Improvements in and relating to endless track vehicles : en
  • US2218525A - Method of and apparatus for manufacturing confection holders : en
  • US2218711A - Electrical switching device : en
  • US2218730A - Locking device for motor cars : en
  • US2218987A - Indicator insuring sharp tuning of a receiver set : en
  • US2219098A - Centrifugal pump : en
  • AT159743B - Device for the immediate shutdown of electrically driven looms. : de en
  • AT159694B - Process for the production of colored artificial horn panels with a different colored plastic design. : de en
  • US2218638A - Packing : en
  • US2219265A - Direction and speed ratio changing device for motor vehicles : en
  • US2218726A - Drive mechanism : en
  • US2219167A - Process for the manufacture of preparations containing the circulatory hormone callicrein : en
  • US2219031A - Bearing construction : en
  • US2219036A - Tubular chime : en
  • US2219184A - Variable speed transmission : en
  • DE688010C - : de en
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  • US2218897A - Method of treating woody material : en
  • US2219133A - Ladder hoist : en
  • US2218661A - Age resistor : en
  • US2218918A - Lubricating oil : en
  • US2218923A - Measurement of frequency modulated waves : en
  • US2219042A - Preparation of catalysts : en
  • AU111703B2 - Connection for loose leaves of books : en
  • USD123237S - Design for a combined cosmetic case : en
  • GB528203A - An improved tool for cutting piping into lengths : en
  • GB528247A - Improvements in alternating current control arrangements : en
  • US2219001A - Spring device : en
  • GB527997A - Improvements relating to steam boilers and other vessels subjected to high pressure : en
  • US2219075A - Curtain support : en
  • GB527971A - Improvements in and relating to door latches : en
  • USD123202S - Design for a desk and seat unit : en
  • US2218772A - Action toy device : en
  • US2218826A - Clutch : en
  • US2218915A - Camera : en
  • GB528178A - Improvements relating to the isomerisation of normal paraffins : en
  • USD123226S - Front car of a railway train : en
  • US2219210A - Sewing machine : en
  • USRE21606E - Threadless interlocking rotary : en
  • US2219148A - Inside pipe cutter : en
  • AT159721B - Device for applying a uniform coating to a web, in particular made of paper. : de en
  • CA392033A - Electric discharge device time delay means : en fr
  • US2218968A - Bumper obstacle for ball rolling games : en
  • DE697697C - Electric cable with suspension rope : de en
  • DE697881C - Process for the production of moisture-impermeable foils, films and the like like : de en
  • GB528235A - Improvements in or relating to spring assemblies : en
  • US2218500A - Float switch : en
  • US2218945A - Inking device for printing machines : en
  • AU111724B2 - Improvements in composite pneumatic material making same : en
  • GB528196A - Improvements in and relating to the reclamation of waste rubber : en
  • GB528054A - Horticultural fungicidal compositions : en
  • GB528094A - Improvements in closures for jars, bottles, cans and like containers : en
  • US2219069A - Vehicle wheel : en
  • USD123174S - Design for a pin cup : en
  • GB528066A - Resistor units and method for making same : en
  • GB528123A - Process and apparatus for the preparation of margarine and like oil or fat and water emulsions : en
  • US2218920A - Water-insoluble azo dyestuffs : en
  • USD123166S - Design fob a brooch or similar article : en
  • GB528260A - Improvements relating to spring mattresses, upholstery and the like : en
  • CA392083A - Railway braking apparatus : en fr
  • DE697810C - Directly indicating direction finding method using a revolving alignment system : de en
  • DE697808C - Process for the production of carbon contact strips : de en
  • GR9314B - PACKAGING FOR TRANSPORTATION OF EGGS AND OTHER FRAGIBLE OBJECTS. : el en
  • GB528213A - Electrical testing device : en
  • US2219200A - Electric valve converting system : en
  • GR9302B - ROTARY INDEX OF TELEPHONE DIRECTORY. : el en
  • GB528078A - Improvements in and relating to electric battery lamps : en
  • GB528165A - Improvements in or relating to pilot valves for controlling the gas supply to the pilot lights of gas lamps : en
  • DK58081C - Gas burner with Catalyst teeth. : da en
  • DE697851C - Matern frame of a single-letter casting and setting machine with matrices arranged in rows according to size : de en
  • US2218548A - Differential tension device : en
  • DE697882C - Mechanical vehicle toy with an endless guide belt driven by a spring drive for transporting vehicles : de en
  • GB528115A - Improvements in or relating to vehicles : en
  • GB528208A - Improvements relating to packing or piston rings : en
  • US2218683A - Hood lock : en
  • DE696399C - to determine the filter media in liquid filters : de en
  • US2218659A - Impulse repeater : en
  • USD123251S - Design for an airplane : en
  • US2219058A - Dental crown and method of forming same : en
  • CA392020A - Paper sheets dispensing package : en fr
  • CA392028A - Leading-in wire flattening apparatus : en fr
  • DE697897C - Circuit arrangement for telephone extension centers : de en
  • USD123172S - Design for a pin clip : en
  • US2218838A - Power transmission mechanism : en
  • USD123195S - Design fos, a clothespin bag : en
  • US2218798A - Stamping press for rotatable articles : en
  • US2218991A - Calculating machine : en
  • DE697773C - Device for conveying gases or liquids : de en
  • DE697797C - utility rooms, in particular passenger rooms : de en
  • GB528022A - Improvements relating to thermal switches for controlling electric motors : en
  • US2219180A - Gauge : en
  • AT159690B - Sprayer. : de en
  • AT159744B - Process for the production of pressed bodies from synthetic resin molding compounds. : de en
  • US2219192A - Tenter drier : en
  • USD123191S - Design tor a hammer : en
  • USD123230S - Design. for, a portable saw : en
  • DE697920C - Tow hook with locking washer : de en
  • US2218512A - Apparatus for dislodging surface materials : en
  • US2218579A - Sweep rake : en
  • US2218624A - Reflux ratio control for fractionating columns : en
  • US2218803A - Runner attachment for ice skates : en
  • US2218887A - Ventilating puttyless sash : en
  • USD123177S - Design fob a pin ciip : en
  • USD123207S - Design for a bracelet or similar article : en
  • US2219130A - Toy and display figure : en
  • USD123208S - Design for a bracelet or similar article : en
  • USD123240S - Design for a textile fabric : en
  • CA392066A - Brake pop valve : en fr
  • US2218650A - Meter testing jack : en
  • US2219271A - Valve assembly : en
  • US2218506A - Process of sizing textiles, the size, the preparation of the same, and the sized article : en
  • DE697462C - Arrangement of masses in aircraft tail units : de en
  • DE697758C - Process for the preparation of 3,5-diiodopyridine : de en
  • DE697774C - Pharmacy cabinet : de en
  • CA392015A - Saw teeth : en fr
  • US2218983A - Valve structure : en
  • DE697865C - : de en
  • US2218973A - Producing of free-machining stainless steel having a low sulphur content : en
  • AT159747B - Sliding window with two or more sashes that can be moved horizontally in one direction. : de en
  • DE697789C - Steering for cars, especially farm wagons : de en
  • US2219086A - Exercising device : en
  • US2219078A - Play or game ball : en
  • US2218962A - Continuous mixer : en
  • GB528219A - Improvements in stop valves : en
  • CA392086A - Railway switch mechanism : en fr
  • US2218595A - Water pickup tool : en
  • US2218627A - Bumper : en
  • US2218734A - Electroplating process : en
  • US2219274A - Well survey method and apparatus : en
  • USD123210S - Design fob a necklace : en
  • US2218555A - Electric switchgear : en
  • US2219097A - Clutch : en
  • DE697875C - Protected with foldable lower shield : de en
  • US2218725A - Electron focusing system : en
  • US2218824A - Valve mechanism : en
  • DE697746C - Direction indicators, especially for bicycles and motorcycles : de en
  • GB528097A - Improvements in apparatus for cleaning and aerating moulders sand : en
  • AU457639A - Connection for loose leaves of books : en
  • US2218763A - Film gate and feeding device : en
  • US2218882A - Watch : en
  • US2218643A - Fan for liquid fuel burners : en
  • US2218934A - Fastener-applying implement : en
  • US2219082A - Hull construction for ships : en
  • US2218807A - Head lamp : en
  • US2218959A - Exhaust silencer : en
  • US2218935A - Process of routing articles through a furnace : en
  • US2218570A - Method of welding : en
  • US2219116A - Enlarging and copying device : en
  • US2218800A - Filter : en
  • GB528250A - Improvements in or relating to anti-friction bearings and spindle mountings : en
  • DE697815C - old processes : de en
  • USD123204S - Design for a bottle : en
  • US2218952A - Amidelike derivatives of dyestuffs and process of making same : en
  • CA392061A - Gear finishing machine : en fr
  • US2219137A - Closure device for vacuum tanks : en
  • CA392063A - Air brake : en fr
  • US2218600A - Brake mechanism : en
  • US2218558A - Hydraulic transmission mechanism : en
  • US2218710A - Manufacture of stiffening bandages and stiffening bandages commercial products : en
  • GB528047A - Improvements in a machine for performing cutting-off and die operations on elongatedmetal or like stock : en
  • DE697820C - Heat-retaining envelope : de en
  • DE697869C - Hydraulic switching device for sliding gears on machine tools : de en
  • US2219091A - Bookrest : en
  • US2219228A - Safety hook : en
  • DE697776C - Memory device for wallets, wallets and ladies' bags : de en
  • US2219217A - Cathode and method of making same : en
  • GB528006A - Improvements in and relating to sheet metal drums, cans and like containers : en
  • GR9306B - MECHANICAL GROUP SYSTEM FOR DIRECT CONVERSION OF ALTERNATIVE LINE MOVEMENT IN CONTINUOUS ROTARY AND REVERSE. : el en
  • GR9311B - INDEPENDENT COVER WITH PROVISIONS ALLOWED THE INVESTMENT OF NITRODES, BOOKS AND STORES. : el en
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  • DE697700C - The use of chrome-nickel alloys for heating conductors : de en
  • DE697837C - Clamping device for paper rolls wound on the body : de en
  • US2218677A - Suspension loop drying apparatus : en
  • US2218792A - Holder for mops and the like : en
  • US2218937A - Submersible structure : en
  • GB528192A - Improvements relating to discriminating circuits for television and the like : en
  • US2219077A - Asbestos fiberizer : en
  • US2218757A - Automatic cutout and brake for bread slicing machines : en
  • US2218499A - Device for uncoiling coils of sheet metal : en
  • GB528116A - Improvements in and relating to combs : en
  • CA392089A - Cotton ginning method : en fr
  • US2218679A - Cementitious material : en
  • US2218911A - Jetter for beverage packaging apparatus : en
  • CA392001A - Confection stick inserting apparatus : en fr
  • DE697782C - Coupling device is performed between a driving andang by braking a bevel gear : de en
  • US2218778A - Control system for electric cooking ovens : en
  • US2218916A - Means for removing smoke and gas and other exhaust products from coke ovens for the production of gas and coke : en
  • US2219242A - Ticketing machine : en
  • DE697770C - Process for the production of non-thickening carbon black-containing nitrocellulose solutions : de en
  • US2219006A - Addition products of 3, 4 dehydrocyclotetramethylene sulphone : en
  • GB528001A - Improvements in or relating to oil burners : en
  • GB528134A - Improvements in air-distributing apparatus for ventilating systems : en
  • DE697762C - Process for the production of vitamin A fortifications : de en
  • DE692740C - Process for the production of luminous screens : de en
  • AT159663B - Spark gap arrangement, in particular an arc converter, with electrodes in flowing gas. : de en
  • US2219080A - Counterweighted crank : en
  • DE697793C - Blow molding machine : de en
  • USRE21605E - Body suspension for vehicles of all kinds : en
  • US2218855A - Fire extinguisher : en
  • US2219095A - Method for the production of piston rings, especially of light metal pistons for internal combustion engines : en
  • US2219175A - Television intermediate frequency separation circuit : en
  • DE697834C - Wedge block for hiking pillars or pit stamps : de en
  • CA392002A - Air conditioning apparatus : en fr
  • US2218647A - Corner grinding machine : en
  • US2218880A - Cleaning and reoiling device for air cleaners : en
  • US2219157A - Electroresponsive device : en
  • US2219199A - Sealed motor control : en
  • DE697886C - Dry kickback protection : de en
  • GB528025A - Improvements in and relating to the manufacture of ferromagnetic material : en
  • GB528277A - Apparatus for the treatment of synthetic fibres : en
  • US2218760A - Propeller control mechanism : en
  • US2219270A - Automatic clutch actuating mechanism : en
  • US2218623A - Refractory material and process of producing the same : en
  • US2218563A - Manufacture of explosive compositions or blasting charges : en
  • US2219268A - Carpet weaving frame : en
  • US2218691A - Wrapped article and method of making the same : en
  • US2218745A - Pad : en
  • US2218910A - Automatic safety control for motor propelled vehicles : en
  • US2218964A - Automatic valve for traveling lawn sprinklers : en
  • US2219275A - Telescope : en
  • AT159746B - Device for picking up drop stitches in knitted fabrics. : de en
  • AU111736B2 - Improvements in electric discharge devices : en
  • GB528032A - Improvements in or relating to vapourizers for internal combustion engines : en
  • AT159678B - Device for displaying the cutting line on scissors. : de en
  • AT159704B - Casting mold for the production of dense blocks and similar workpieces from aluminum and magnesium alloys. : de en
  • AT159658B - Method of assembling vacuum vessels. : de en
  • US2219173A - Receptacle : en
  • US2219227A - Joint for flexible spouting : en
  • AT159695B - Injection molding machine for processing thermo-plastic masses. : de en
  • DE697745C - Method of copying lenticular film : de en
  • US2218559A - Method of and means for knitting preformed wire : en
  • USD123188S - Design fob a pull tab fob slide fasteners : en
  • GB528049A - Improvements in or relating to the production of patterned cellulose fabrics : en
  • US2218626A - Louver in fender construction : en
  • GB528179A - Improvements in or relating to thermionic valve amplifiers : en
  • IE16087L - Alkylation of isoparafins : en
  • GB528019A - Improvements in or relating to homogenizers : en
  • AU461539A - Improvements in machines for cleaning containers as drums or barrels by flushing : en
  • GB528182A - Improvements in and relating to adjustable brackets : en
  • AT159655B - Arrangement with an electron tube. : de en
  • DK58098C - Dispenser with Air Pump. : da en
  • AT159671B - Method for producing a balanced, symmetrically constructed chuck for lathes u. Like. With an adjusting ring with a spiral thread. : de en
  • AT159709B - Closure for bottles or cans. : de en
  • US2218695A - Process for making synthetic manure : en
  • US2218930A - Automatic draft control : en
  • US2218844A - Splint-forming material : en
  • GB528131A - An adjustable mounting for door dovetail stops, handles, hinges, locks and the like : en
  • GB528220A - Method for preserving meat : en
  • DK58092C - Electrode for electric arc welding. : da en
  • US2219024A - Registering and computing mechanism : en
  • AU469539A - Improvements in luminescent materials : en
  • US2218976A - Knitting machine : en
  • CA392055A - Multiplying machine : en fr
  • DE697724C - Procedure for self-hanging and covering and double-edged needle to carry out this procedure : de en
  • DE697917C - Rotatable impact body for vacuum cleaner : de en
  • GB528215A - Improvements relating to adapters for use in the inflation of football bladders : en
  • AT159659B - Method and arrangement for protecting secondary emission layers. : de en
  • DK58099C - Directional device for Sagittarius. : da en
  • DE697884C - Support frame for eggs : de en
  • CA392005A - Roller skate attachment : en fr
  • CA392056A - Bread cooling, slicing and wrapping apparatus : en fr
  • CA392031A - Wall and block : en fr
  • GB528283A - Improvements in electric-lamp fittings : en
  • AT159708B - Device for cleaning air and other gases by centrifugal force. : de en
  • GB528189A - Improvements relating to distributing apparatus : en
  • US2218513A - Mechanical toy : en
  • USD123238S - Child s vehicle : en
  • DE697779C - Regulation of gas machines : de en
  • DE696667C - Device for registering the frontmost sheet of a band of underlapped sheets to be introduced into a printing machine or the like : de en
  • GB528301A - Improvements in or relating to the deposition of alloys on a base metal by electric arc welding : en
  • GB527981A - Improvements in reversing gearing for agricultural machines : en
  • DE697879C - great smoothness : de en
  • GB528055A - Improvements in machines for cutting gears : en
  • DE697891C - High pressure vessel : de en
  • US2218740A - Process of producing imitation tree bark : en
  • DE697551C - Containers for the storage, especially underground, of low-viscosity fuels : de en
  • DE697754C - Loose-leaf book : de en
  • DE697799C - Liquid shock absorbers : de en
  • US2218699A - Carburetor choke device : en
  • AT159696B - Process for the production of organic mercury compounds. : de en
  • GB528160A - Improvements in or relating to vacuum cleaners : en
  • GB528221A - An improved method of packing elastic webbing and package resulting therefrom : en
  • USD123190S - Design for a colorimeter housing : en
  • US2218681A - Sanitary drinking dipper : en
  • US2218721A - Control apparatus for motor driven vehicles : en
  • US2219204A - Snowplow : en
  • DE697794C - Noise-damping type carrier drive device for typewriters, typewriters and the like. like : de en
  • US2219193A - Cathode ray apparatus : en
  • US2218564A - Drag type scraper : en
  • USD123189S - Design for a combined mirror, brush : en
  • DE697764C - Automatic brake linkage regulator with locking mechanism : de en
  • GB528065A - Improvements in or relating to zinc base alloys : en
  • DE697693C - Cooling container for bare goods to be cooled : de en
  • DE697923C - Drive device for rotary valve of internal combustion engines : de en
  • AU457339A - Improvements in telephone systems : en
  • DE697695C - Method for scanning television images : de en
  • DE697868C - Round chuck with magnetic voltage for rotating work spindles of machine tools : de en
  • US2219029A - Air conditioning apparatus : en
  • AT159687B - Process for making animalized man-made fibers. : de en
  • US2218738A - Mouth freshener and dental cleanser implement : en
  • US2219012A - Pipe casting apparatus : en
  • USRE21602E - Hydraulic brake holding apparatus : en
  • US2218852A - Dispensing device : en
  • US2219056A - Magnesium base alloy : en
  • GB527991A - Opposed-piston crankless engine : en
  • GB528007A - Improvements in and relating to lateral stabilisers for flying boats and amphibians : en
  • DE697900C - Switching arrangement to facilitate the tuning of a radio receiver : de en
  • USD123160S - Design for a scaffold jack ob the like : en
  • US2218515A - Process for treating oil : en
  • US2218879A - Circuit make and break device : en
  • US2218590A - Sweatband for hats : en
  • AU364939A - Improvements in or relating to aircraft navigation aiding systems : en
  • US2219202A - Slide fastener attaching device : en
  • US2219254A - Boat and trailer construction : en
  • USD123179S - Design for a brooch or similar article : en
  • GB528169A - Improvements in cloth or fabric layering machines : en
  • US2218628A - Coloration of textile and other materials : en
  • US2219149A - Television system : en
  • US2219258A - Solid ammonium thiosulphate : en
  • AU520739A - Improvements in and relating toa handgrip for sporting appliance and process of applying same : en
  • CA392057A - Magnesium recovery : en fr
  • CA392004A - Railway hand brake : en fr
  • CA392014A - Engine piston : en fr
  • US2219081A - Individual axle drive for rail vehicles : en
  • US2219260A - Method for making bromo-chloralkanes : en
  • US2218827A - Flame hardening : en
  • USD123175S - Design fob a pin clip : en
  • US2218926A - Roof for buildings : en
  • AU111743B2 - Improvements in or relating to producer gas apparatus for trucks tractors andother vehicles : en
  • CA392064A - Air brake : en fr
  • GB528164A - A ruler attachment for facilitating the drawing of parallel lines : en
  • GB528145A - Improvements in evaporators for producing pure distilled water from sea water or other aqueous liquuids containing impurities in solution : en
  • GB528152A - Transmission of frequency modulated valves : en
  • US2219046A - Treatment of iron ores : en
  • US2219028A - Degreasing apparatus : en
  • DE697721C - Arrangement for cooling the anode of an X-ray tube : de en
  • US2218967A - Counterbalancing device : en
  • US2218541A - Method of and apparatus for forming crown cap center spots : en
  • US2218797A - Electric circuit breaker : en
  • AT159662B - Antenna with advancing waves. : de en
  • US2218758A - Machine and method for manufacturing reinforced fabric : en
  • US2218963A - Fluid supported stool : en
  • US2219088A - Process of refining vegetable oils : en
  • DK58091C - Directional antenna. : da en
  • CA392027A - Lamp filament treating apparatus : en fr
  • US2218707A - Antenna array : en
  • US2218575A - Internal combustion engine : en
  • US2218899A - Pipette filler : en
  • US2218909A - Method of making reflecting devices : en
  • US2218978A - Art of knitting : en
  • USD123214S - Design for a shoe heel : en
  • AU164639A - Improvements inthe preservation of food products : en
  • DE697718C - Protection arrangement for electrical circuits with symmetrical load : de en
  • US2218591A - Vitamin preparation : en
  • US2219004A - Formation of chromium-containing layers on ferrous surfaces : en
  • AU111704B2 - Improvements in and connected with needled felt : en
  • US2218562A - Weighing scale : en
  • USD123167S - Design for a shoe heel : en
  • US2218732A - Traverse bar for winding and similar machines : en
  • US2218924A - Aftertreatment of dyed textile fibers : en
  • AT159740B - Automatic bolt for double doors of boxes or the like. : de en
  • DE697722C - Grate for gas generator : de en
  • AT159660B - Device for measuring neutron intensities. : de en
  • US2218709A - Electric circuit : en
  • US2218820A - Hanger apparatus : en
  • US2219263A - Sheet abrasive and method of making the same : en
  • AU515939A - Improvements in composite pneumatic material making same : en
  • US2218708A - Spring structure : en
  • CA392023A - Roller bearing : en fr
  • AT159736B - High frequency cables. : de en
  • CA392060A - Boiler injector : en fr
  • CA392098A - Liquid dispensing faucet : en fr
  • US2219111A - Cathode ray tube : en
  • US2219109A - Process of desulphurizing petroleum oils : en
  • US2219197A - Drive pin : en
  • GB527977A - Improvements in or relating to photographic enlarging or reducing apparatus : en
  • CA392012A - Pedate vibrator : en fr
  • AU443039A - Improvements in rotary fluid pumps ofthe type employing vane propellers forthe fluid : en
  • US2218607A - Method and means for cracking nuts : en
  • AU111734B2 - Method of manufacturing protein product and products resulting therefrom : en
  • CA392025A - Bolster spring unit : en fr
  • DE697846C - Shoe glue press : de en
  • GB528214A - Improvements in fluid-sealing devices for shafts, bearings and the like : en
  • DE697842C - Protective paste for dental cements : de en
  • DE697859C - Mop for exchangeable connection to a vacuum cleaner mouthpiece : de en
  • DE697907C - Transformer or choke coil for stepless regulation : de en
  • US2218619A - Vehicle brake control means : en
  • US2218761A - Propelling mechanism : en
  • AU111729B2 - Improvements in or relating to apparatus for driving spindles orthe like : en
  • AU380840A - Improvements in amplifiers, particularly for wide frequency bands : en
  • AU111721B2 - Improvements in or relating to toasting machines : en
  • US2218752A - Handle mechanism : en
  • US2218822A - Control surface for airplanes : en
  • US2218892A - Silverware container : en
  • USD123221S - Design for, a dress : en
  • US2218767A - Concrete block making machine : en
  • US2218769A - Supporting bracket for electric conductors : en
  • US2219066A - Systemf or obtaining thread by drawing, in particular for glass threads with long fibers : en
  • AU89340A - Improvements relating to electropneumatic braking apparatus : en
  • GB528177A - Improvements in testing the balance of annular or rotary articles : en
  • US2218888A - High resistance steel : en
  • USD123180S - Combined comb and thinning razor : en
  • USD123218S - Design fob a cigarette container : en
  • AU111742B2 - Improvements in lawnmowers : en
  • US2218561A - Ventilating apparatus : en
  • CA392090A - Heater air circulation control : en fr
  • AT159672B - Adjusting ring with flat spiral for adjusting the jaws of a multi-jaw chuck that clamps in the middle. : de en
  • AT159713B - Method for producing a screw cap for bottles or the like. : de en
  • AT159706B - Oven. : de en
  • CA392099A - Sound-recording and sound-reproducing system : en fr
  • US2218966A - Package for roll film : en
  • CA392026A - Rubber insulating compound : en fr
  • CA392101A - Blocking layer electrode system : en fr
  • CA392074A - Defecator : en fr
  • US2218580A - Tube and the like mill : en
  • US2219054A - Bearing : en
  • US2219174A - Folder : en
  • US2219220A - Piezometer connection : en
  • USD123206S - Design for a bracelet or similar article : en
  • AU111701B2 - Improvements in or relating to selective switches such asare used in automatic telephone systems : en
  • CA392047A - Thermionic tube modulator : en fr
  • US2218565A - Compound positive displacement pump circuit : en
  • US2218649A - Treatment of cracked residuum : en
  • US2218696A - Method of preventing or lessening the formation of longitudinal stripes in looped fabrics and mechanism for carrying out that method : en
  • US2218735A - Piezoelectric plate holder : en
  • US2218944A - Refrigerating apparatus : en
  • AT159748B - Device for the production of crocheted yarn. : de en
  • US2218540A - Crown cap spotting apparatus : en
  • US2218501A - Radio receiver : en
  • GB528133A - Phase-correcting low-pass electric wave filters : en
  • US2218813A - Transmission gearing : en
  • AT159735B - Rotary piston engine. : de en
  • GB528229A - Improvements in ceramic materials and in sealed envelopes of which they form part : en
  • US2218698A - Washing machine : en
  • US2219057A - Windmill : en
  • US2218874A - Sanding machine : en
  • CA392070A - Animal fibre carroting process : en fr
  • US2218567A - Preparation of alkali hemicellulose : en
  • US2218687A - Drinking fountain : en
  • US2218862A - Lip rouge applicator : en
  • CA392021A - Paper dispensing package : en fr
  • GB528241A - Improvements in or relating to the drawing of metal rods, tubes and the like, and drawing agents therefor : en
  • AT159701B - Process for processing elastic threads into elastic woven, braided, knitted or similar textile goods. : de en
  • GB528070A - Improvements in and relating to frequency-selective thermionicvalve circuits : en
  • US2218589A - Portable building material oven : en
  • US2218901A - Merchandise package and display : en
  • US2219250A - Electrical apparatus panel structure : en
  • AU111707B2 - Improvements in or connected with cow bails : en
  • CA392072A - Paper manufacture : en fr
  • US2219021A - Frequency changing : en
  • US2219094A - Wire drawing machine : en
  • CA392051A - Dispersing and mixing mill : en fr
  • US2218538A - Abrading tool : en
  • GR9304B - HOW TO MAKE WHITE SOAPS. : el en
  • US2219145A - Display rack : en
  • US2219196A - Apparatus for handling material : en
  • GB528046A - Improved helicopter : en
  • GB527984A - Improvements in or relating to mold charging mechanism : en
  • GB528228A - Improved means for obtaining a high voltage d.c. supply from an inductive saw-tooth oscillator circuit : en
  • GB528271A - Improvements in or relating to friction feeders : en
  • GB527973A - Improvements in preparation of mixed fatty acid esters of cellulose : en
  • US2218560A - Article of knitted wire or other resilient material : en
  • US2218634A - Motor vehicle : en
  • US2219152A - Hole spotter : en
  • US2218689A - Construction of vessels : en
  • AU121140A - An improved process for causing luminescent substances to adhere to glass walls : en
  • US2218653A - Humidifying device for internal combustion engines : en
  • US2218869A - Dishwashing machine : en
  • US2219240A - Method of knitting : en
  • AU374440A - Elastic band, especially driving belt, anda process forthe manufacture of same : en
  • DE697757C - Process for the representation of diketones : de en
  • DE697787C - Process for the production of wheels for Kreem plastic : de en
  • USD123168S - Design fob a bracelet : en
  • GB528082A - Improvements in and relating to door holding and control mechanisms : en
  • GB528290A - Improvements in or relating to the optical projection of pictures with a relief effect : en
  • US2218663A - Dyestuffs of the dibenzanthrone series : en
  • GB528245A - Improved change gear controlling mechanism : en
  • AT159733B - Suspension, especially for the rear wheel of single-track motorcycles. : de en
  • AT159683B - Process for protecting iron and steel structures against corrosion by oil painting. : de en
  • US2218682A - Engine lock valve : en
  • US2218845A - Tank carrier : en
  • US2219129A - Titanium oxide pigment and process for producing same : en
  • US2219172A - Control system : en
  • US2218780A - Roller wedge door holder : en
  • USD123232S - Design fob a dress : en
  • DK58088C - Device by Tilt Generators. : da en
  • DE697818C - Adjustable lock for tooth regulation arch : de en
  • US2219247A - Apparatus for working concrete and the like : en
  • GB528181A - Improvements in and relating to electric discharge devices : en
  • GB528110A - Improvements in water closet basins : en
  • DE697830C - Protective shield, especially for field guns : de en
  • GB528045A - Improvements relating to stapling artificial fibres : en
  • US2219051A - Radiator shutter : en
  • US2219085A - Method of covering rollers : en
  • US2219103A - Process of manufacturing alkali and ammonium chlorosulphonates : en
  • GB528009A - A new or improved extractor ventilator or cowl : en
  • DE697766C - Single axle drive with spring clutch, especially for electrically powered vehicles : de en
  • GB528266A - Improved spring suspension for motor vehicles : en
  • US2218974A - Warming device : en
  • US2218816A - Garment hanger cover : en
  • AU111719B2 - Improvements in or relating to sparking plug electrodes : en
  • GB528168A - Improvements relating to cloth laying machines : en
  • GR9313B - CIGARETTE LIGHTER. : el en
  • GB527983A - Improvements in and relating to weighing apparatus : en
  • AT159685B - Capillary active agents. : de en
  • US2218502A - Temperature controller : en
  • US2218701A - Muscle contracting apparatus : en
  • US2219225A - Fish lure : en
  • US2218598A - Filler for grease guns : en
  • US2218791A - Flexible siding material : en
  • USRE21607E - Method and apparatus for generat : en
  • US2218808A - Multiple drink mixing machine : en
  • GB528127A - Improvements in or relating to sound recording apparatus : en
  • GB528053A - Improvements relating to filing systems : en
  • US2218953A - Adjustable grade iron fence : en
  • US2219121A - Radio interference eliminator : en
  • DE697888C - Combustible fire lighter : de en
  • CA392079A - Sport trousers : en fr
  • CA392082A - Portable bar : en fr
  • GB527969A - Improvements in ignition magnetos for internal combustion engines : en
  • GB528240A - Electrolytic processes and baths : en
  • US2218716A - Drill fluting machine : en
  • US2219027A - Band-pass filter of wide frequency range : en
  • USD123187S - By attorngyf : en
  • USD123244S - Pot or other hot metal holder : en
  • US2218785A - Prebuilt mattress and box spring border machine : en
  • USD123229S - Design fob a dress : en
  • DE697727C - Process for the extraction of staple fibers from hemp stalks : de en
  • DE697751C - Device for cutting off the ends of cigar rolls or the like protruding from the mold. : de en
  • US2219252A - Safety balance twin boats : en
  • AT159730B - Hood for protective suits. : de en
  • US2218961A - Gas range construction : en
  • US2219002A - Fuel pump : en
  • US2218632A - Refrigerated drawer unit : en
  • DE697760C - Process for obtaining the large total alkaloids of ergot : de en
  • CA392096A - Steering stabilizer : en fr
  • CA392046A - Cylinder mould vat : en fr
  • US2218786A - Gear cutter : en
  • US2218975A - Control device : en
  • CA392040A - Circuit interrupter : en fr
  • US2218782A - Abrasive article : en
  • US2219052A - Transmission : en
  • USD123247S - Design for an envelope : en
  • GB528223A - A method and arrangements for facilitating the cleaning of plate heat exchangers : en
  • GB528062A - Improvements in or relating to composite structures comprising plastic material : en
  • USD123183S - Design fob a flexible pocket receptacle : en