• US2452103A - Headrest : en
  • US2452176A - Fluid pressure controlled actuator : en
  • US2452364A - Method and apparatus for producing optical elements from commercial plate glass : en
  • US2452494A - Pull point connection device : en
  • USD151486S - Design for a game board : en
  • CA452129A - Bag tube end closure : en fr
  • US2452047A - Construction of flexible hose : en
  • AU137642B2 - Improved method and machine for producing carpets, rugs and the like : en
  • US2452401A - Method of regeneration of electron discharge devices : en
  • USD151574S - Design for a door knocker : en
  • CH257640A - Method of preventing weeds from growing or killing. : de en
  • CH257912A - Method of constructing a truck chassis and chassis bridge thus obtained. : en fr
  • GB611241A - Improvements in or relating to a rubbing machine : en
  • US2452048A - Frequency conversion apparatus : en
  • PL33519B1 - Device for setting and aligning the upper roll of a rolling mill : en pl
  • US2452126A - Sealer : en
  • US2452396A - Grip attachment for violin bows : en
  • CH257880A - Oral hygiene product. : en fr
  • US2452335A - Two-axis rate gyro : en
  • USD151526S - Design fob a lawn sweeper : en
  • CH257881A - Process for the preparation of dl-2'-keto-3,4-imidazolido-tetrahydrofuran-2-n-valeric acid. : de en
  • PL33516B1 - Automatic fire extinguishing device : en pl
  • US2452324A - Fire escape : en
  • USD151556S - Design for a savings bank : en
  • US2452445A - Bread cutting board with crumb tray : en
  • USD151541S - Necklace or similar article : en
  • DK67852C - Air supply valve for diving suits with air supply through hose. : da en
  • CA452164A - Shock absorber : en fr
  • FR938827A - Method and machine for transforming a web of fibers : en fr
  • AU2274148A - Electric motor driven power unit : en
  • CA452102A - Mop stand : en fr
  • USD151529S - Combined brooch and watch : en
  • CA452188A - Bobbin winding device with automatic stop for sewing machines : en fr
  • GB611050A - Improvements in the regulation of the charge for internal combustion engines : en
  • FR938931A - Waterproof box crown for watches : en fr
  • GB611449A - Improvements in or relating to resilient members having parallel terminal surfaces : en
  • CA452116A - Belt cutting, punching and grooving device : en fr
  • CH257942A - Process for the production of a vat dye. : de en
  • FR938935A - : fr
  • CH257807A - Device for holding twist drills in place while sharpening them. : de en
  • CH257695A - Needle threader. : de en
  • FR938846A - Antennas : en fr
  • FR938904A - Process for distributing feed for poultry and equipment : en fr
  • GB611029A - Improvements in or relating to automatic pilots : en
  • CH257785A - Alloy intended in particular to replace lining and gilding in watchmaking and jewelry. : en fr
  • USD151504S - Design for a brooch or similar article : en
  • US2452415A - Concentrating and refining formaldehyde solutions by distillation with hydrocarbon derivatives containing nitrogen and oxygen : en
  • GB611377A - Improved capillary liquid-transfer member and heat transfer system using the same : en
  • GB611305A - Improvements in or relating to fuel injection systems for internal combustion engines : en
  • GB611436A - Improvements in artificial baits : en
  • CA452180A - Portable loading machine : en fr
  • DK67844C - Cooling device for internal combustion engines. : da en
  • US2452271A - Leather vise : en
  • US2452356A - Pallet of the load-supporting type, with casters : en
  • US2452200A - Treatment of porous material : en
  • US2452311A - Electric motor control apparatus : en
  • AU140109B2 - Improvements in or relating to knitting machines ofthe independent needle type furnished with two needle beds : en
  • US2452058A - Tension patch : en
  • US2452041A - Making calcium aluminate sinter : en
  • US2452150A - Egg carton : en
  • FR938886A - Metalworking process : en fr
  • US2452049A - Combined package and filling device for batteries or hollow bodies : en
  • US2452204A - Method and packing structure for high packing handled baskets with fruit : en
  • US2452187A - Synthesis of nitriles : en
  • US2452337A - Circuit arrangement for the amplification, frequency-transformation, or production of ultra high frequency oscillations : en
  • USD151485S - Design for a lamp : en
  • USRE23046E - Gore fob yarn or thread packages : en
  • BE485105A - : en fr
  • US2452076A - Gun mount : en
  • US2452387A - Plowshare : en
  • GB611300A - Moulding composition and process for manufacturing the same : en
  • FR938959A - Electronic modulation device for radio headlights : en fr
  • USD151564S - Design fob a deess ensemble : en
  • AU129360B2 - Improved power operated lifting and lowering mechanism for agricultural machinery : en
  • FR938791A - Method and apparatus for color television : en fr
  • FR938761A - Turbine for aerodynes : en fr
  • FR938889A - Handling device : en fr
  • GB611201A - Improved trolley or carrier : en
  • US2452064A - Multiple motor speed synchronizing balancing device : en
  • US2452081A - Cutter chain : en
  • AU140696B2 - Antenna array : en
  • CH257829A - Self-priming pump. : de en
  • GB611026A - Alternating current motor control systems : en
  • FR938991A - Knitted article and method of making same : en fr
  • US2452104A - Pile fabric : en
  • GB611210A - Improvements in or relating to detergents and processes of preparing the same : en
  • GB611265A - Improvements in or relating to pressure operated temperature indicating, recording or controlling devices : en
  • FR938878A - Improvements in glassworking methods and equipment : en fr
  • GB611015A - Improvements in or relating to devices for measuring angle of turn and to automatic control and stabilizing systems : en
  • GB611360A - Improvements in or relating to the treatment of wool and the like to reduce felting and shrinking : en
  • FR938979A - Improvements relating to images of substances such as iodine and their production process : en fr
  • US2452326A - Controlled oxidation of paraffinic hydrocarbons : en
  • CH257723A - Process for the preparation of leucosulfuric acid ester derivatives. : de en
  • US2452086A - Sound producer and receiver : en
  • FR938894A - Improvements to electrical measuring devices : en fr
  • FR938960A - Crystal frames : en fr
  • FR938785A - Frequency changer : en fr
  • CH257670A - Door closer. : de en
  • PL33520B1 - A pointing system for books or similar groups of sheets : en pl
  • US2452083A - Method of reinforcing organic-polysulfide rubbery material with carbon black : en
  • DK67849C - Device for workshop trolleys. : da en
  • US2452278A - Tube coupling device : en
  • GB611187A - Improvements in liquid fuel and/or powdered fuel furnaces : en
  • GB611494A - Improvements in and relating to chlorinated methylpolysiloxane resins : en
  • FR938897A - Process for the granulation of cobalt and nickel metals : en fr
  • GB611372A - An improvements in or relating to the supply of abrasive to machines for grinding wiredrawing dies : en
  • GB611033A - Improvements in or relating to the manufacture of thermionic valves : en
  • GB611134A - Improved drive for rotary drums, furnaces and the like : en
  • FR938793A - Television : en fr
  • GB611264A - Improvements in or relating to spoon hooks for fishing : en
  • FR938929A - Process for the preparation and use of highly esterified cellulose solutions : en fr
  • FR938751A - Perfume or other liquid dispenser : en fr
  • US2452068A - Sound pickup device : en
  • GB611310A - An improved process for the thermal treatment of artificial cellulosic yarns, threads, filaments, films, foils and the like : en
  • GB611400A - Method of and apparatus for use in lasting footwear : en
  • US2452403A - Switch control mechanism for meat tendering apparatus : en
  • GB611043A - Apparatus for playing a board game : en
  • CH257667A - Safety lock. : de en
  • US2452038A - Photoelectric radio compass trainer control : en
  • US2452260A - Heating apparatus : en
  • GB611192A - Improvements in or relating to suction cleaners : en
  • CH257800A - Process for the heat treatment of nickel alloys. : de en
  • US2452235A - Blackboard : en
  • FR938822A - Dihalogenated organic siloxanes : en fr
  • GB611227A - Improvements in insecticidal preparations : en
  • GB611481A - Golf bag : en
  • FR938816A - Kitten dop and pruning device : en fr
  • US2452060A - Ignition indicating device for welding systems : en
  • US2452292A - Pressure intensifier : en
  • US2452413A - Concentrating and refining formaldehyde solutions by distillation with halogenated hydrocarbons : en
  • US2452467A - Slidable abutment rotary pump : en
  • GB611107A - Device for measuring physical quantities by means of a direct current intensity proportional thereto : en
  • GB611387A - Linear actuator : en
  • FR938874A - Improvements to universal joints likely to be used to drive the steered wheels of motor vehicles : en fr
  • CH257843A - Electrical apparatus with a magnetic core. : de en
  • FR938999A - Process for the manufacture of dry straightening elements : en fr
  • FR938841A - Improvements to equipment for photographic printing : en fr
  • GB611336A - Adjustable skirt : en
  • FR938976A - Control device for charging accumulator batteries : en fr
  • GB611291A - Improvements in or relating to a shaft mounting : en
  • GB611331A - Stabilized crimped fibres : en
  • GB611341A - Method of and machine for casting enlarged bodies on pins or rods and trimming said castings : en
  • GB611380A - Improvements in or relating to electric vibrators and like contact-makers : en
  • GB611186A - Centrifugal pumps : en
  • GB611171A - Improvements in or relating to pencils : en
  • US2452135A - Paper pulp machine : en
  • CH257679A - Device with a shovel intended to be pushed under a cake or the like and a knife intended to cut off a piece of cake or the like. : de en
  • CH257828A - Bearing block on rotary machines. : de en
  • GB611205A - Improvements relating to magnetic field responsive devices : en
  • US2452489A - Motor fuels : en
  • USD151531S - Earring or similar article : en
  • GB611424A - Apparatus for holding cloth to be smocked : en
  • GB611030A - Improvements in or relating to automatic control systems : en
  • FR938972A - Connection bodies : en fr
  • FR938940A - Advanced contact lens : en fr
  • CH257665A - A hard composition suitable for use in the manufacture of cutting tools, and a method of preparing this composition. : en fr
  • FR938858A - Organo-silicic halides : en fr
  • US2452504A - Writing instrument : en
  • DK67842C - Machine for picking up and unloading beets. : da en
  • FR938933A - Anchoring device for dental prosthesis devices : en fr
  • GB611142A - Improvements in and relating to electric contact elements and fuses, cutouts, links and the like comprising such elements : en
  • GB611370A - Gas impervious fabric : en
  • USD151545S - Design for a brooch or similar article : en
  • US2452261A - Pump packing means : en
  • GB611421A - Improvements in or relating to methods of finishing surfaces : en
  • CH257763A - Radio blind landing arrangement for aircraft. : de en
  • CH257874A - Portable surgical cell. : en fr
  • US2452231A - Folder : en
  • US2452497A - Control and indexing mechanism for document photographing machines : en
  • US2452430A - Quick disconnect coupling : en
  • USD151518S - Design for an apron : en
  • CH257871A - Electron tube with an electron emission area that can be moved on a cathode. : de en
  • DK67833C - Electromagnetic drive system for recording voltmeters. : da en
  • CH257886A - Radio receiver installation allowing simultaneous monitoring of current transmissions in a determined frequency band. : en fr
  • CA452186A - Spark plug test bomb : en fr
  • CH257842A - Electrode for electrochemical power sources, in particular for accumulators, and process for their production. : de en
  • US2452257A - Control for motor-driven apparatus : en
  • USD151548S - Design fob a brooch or similar article : en
  • CH257728A - Process for the manufacture of bituminous products. : de en
  • AU2262448A - Improved preparation of phenyl silicon trichloride : en
  • GB611169A - Tables with superimposed table tops : en
  • FR938905A - Improvements to cooling devices for emission lamps, or other : en fr
  • FR938975A - Improvements to communication systems : en fr
  • GB611334A - Improvements in or relating to luminescent materials : en
  • GB611170A - Improvements in and relating to liquid atomizers : en
  • GB611315A - Improvements in or relating to door checks : en
  • GB611342A - Improvements in drying cabinets : en
  • GB611446A - Improvements in or appertaining to piercing or punching tools : en
  • GB611194A - Improvements in or relating to doors for buildings : en
  • CA452193A - Support : en fr
  • GB611242A - Quaternary ammonium compounds and methods for obtaining the same : en
  • US2452143A - Fluid sampling system : en
  • US2452368A - Line tightener : en
  • GB611343A - An adjustable marking device for use in sowing seeds : en
  • USD151488S - Design fob a space heater casing : en
  • US2452185A - Fluid pump : en
  • FR938855A - Improvements to short time interval measuring devices : en fr
  • GB611304A - Improvements in or relating to aircraft training apparatus : en
  • FR938911A - Installation of the powertrain and cooling for motor vehicles placed at the rear : en fr
  • GB611405A - Improvements in or relating to rotors for multi-stage axial flow compressors and turbines : en
  • US2452294A - Instrument lighting : en
  • GB611366A - Improvements in and relating to manhole covers : en
  • US2452093A - Purification of hard waxes by removal of soft fatty components : en
  • USD151561S - Design for a lamp : en
  • CH257818A - Device for the control by fluid under pressure of friction couplings intended for the transmission of a movement between two rotating elements. : en fr
  • GB611122A - An arrangement for drying webs of fabric or paper : en
  • FR938835A - Improvements in the manufacture of optical glass : en fr
  • US2452240A - Chimney cap : en
  • US2452422A - Electrical connector : en
  • FR938965A - Improvements to iodic images and their preparation : en fr
  • GB611088A - Improvements in or relating to coated nitrocellulose films and colour screens : en
  • US2452244A - Electrical ratio meter circuit : en
  • US2452410A - Drill rod rack : en
  • US2452229A - Pessary and manipulating handle assembly : en
  • US2452354A - Faucet valve element : en
  • FR938994A - Improvements to electrical signaling and switching systems : en fr
  • GB611375A - Adjustable blades, tines or tools for agricultural and horticultural implements : en
  • US2452481A - Hydraulic reel mount for warehouse trucks : en
  • GB611309A - Improvements in or relating to sheeting for use as floor, roof, or wall coverings for buildings : en
  • FR938885A - Launcher for starting internal combustion engines : en fr
  • FR938982A - Selenium cell enhancements : en fr
  • FR938970A - swivel and its manufacturing process : en fr
  • GB611013A - Manufacture of highly etherified aminotriazine-formaldehyde condensation products : en
  • GB611177A - Improvements in or relating to suction cleaners : en
  • CH257863A - Vacuum-tight metal leadthrough through ceramic. : de en
  • CH257864A - Method and circuit for amplifying vibrations in a loaded high-frequency oscillator. : de en
  • US2452302A - Cable tensiometer : en
  • US2452344A - Vehicle speed indicating device : en
  • US2452242A - Pintle chain : en
  • GB611399A - A method of coating surfaces : en
  • FR938898A - Pleated skirt : en fr
  • US2452044A - High emission cathode : en
  • GB611166A - A combined clip-pin member as tautening means for textile materials : en
  • GB611188A - Improved receptacle for safeguarding bottles from theft : en
  • FR938781A - Sound transducer device : en fr
  • US2452061A - Thermionic tube structure : en
  • US2452213A - Wave generating system : en
  • US2452374A - Anacardic-acrolein resins and method for their production : en
  • FR938987A - Resistance improvements and mitigation lines : en fr
  • FR938990A - Improvements to automatic telephone systems : en fr
  • US2452217A - La bron r : en
  • US2452207A - Fluid pressure operated curb sirup separator : en
  • US2452052A - Selectively responsive device : en
  • US2452074A - Peroxide-glycerol explosive : en
  • US2452138A - Device for automatically inserting marking strips in piles of sheets : en
  • GB611034A - Improvements in or relating to the manufacture of thermionic valves : en
  • CA452185A - Variable resistance : en fr
  • FR938944A - Dry gas meter : en fr
  • FR938812A - Radio guidance systems : en fr
  • US2452453A - Stoker provided with a metering control to determine fuel and air feed : en
  • US2452108A - Friction shock absorbing mechanism : en
  • FR938856A - Preparation of luminescent materials : en fr
  • GB611198A - Improvements in hand tools : en
  • GB611430A - Improvements relating to keels for surface water craft : en
  • CA452194A - Electronic device : en fr
  • CH257718A - Process for the preparation of 6-amino-1-oxy-naphthalene-2-carboxylic acid. : de en
  • GB611352A - Improvements in rotary pumps : en
  • GB611237A - Improvements in or relating to transverse couplings for bogies of rail vehicles : en
  • USD151537S - Bracelet or similar article : en
  • GB611259A - Improvements in or relating to liquid meters : en
  • GB611290A - Improvements relating to hypodermic syringes : en
  • GB611444A - Improvements in or relating to winding machines : en
  • FR938968A - Improvements made to power plants with internal combustion turbines, in particular for the propulsion of airplanes : en fr
  • GB611064A - Improvements in or relating to the mounting, insertion and removal of sapphires or needles in or from gramophone pick-ups : en
  • FR938871A - Improvements to electronic discharge devices : en fr
  • CA452202A - Synchronizing system : en fr
  • US2452306A - Power belt retaining device : en
  • US2452310A - Heater starting and lighting device : en
  • GB611104A - An improved electronic energy conversion and control system : en
  • PL33523B1 - A gear wheel with a separate rim, spring combined with the hub : en pl
  • CH257721A - Process for the production of vat dyes. : de en
  • US2452079A - Relay : en
  • US2452391A - Heat exchanger : en
  • US2452520A - Gear shaving machine : en
  • US2452400A - Hairpin holder : en
  • US2452408A - Grade builder blade mounting : en
  • CH257758A - Comparator for checking conical surfaces. : en fr
  • FR938819A - Filament guide : en fr
  • FR938913A - Advanced epicyclic and hypocycloidal gears : en fr
  • US2452216A - Drafting table : en
  • US2452491A - Grounding fitting : en
  • USD151512S - Bead collar or similar article : en
  • US2452348A - Fire extinguishing method : en
  • FR938759A - Improvements to launchers for starting combustion engines : en fr
  • GB611096A - Improvements in manufacture of photographic film bearing a reseau or multicolour screen : en
  • CA452101A - Magnetic rheostat : en fr
  • GB611108A - Air heating furnaces : en
  • FR938833A - Improvements to electromagnetic relays : en fr
  • FR938830A - Propeller refinements : en fr
  • GB611231A - An improved back-rest for a bedstead : en
  • FR938501A - : fr
  • GB611288A - Improvements relating to electrical musical instruments : en
  • US2452238A - Insert for changing the compression ratio of internal-combustion engines : en
  • US2452435A - Apparatus for producing elastic coils with connecting tails : en
  • US2452471A - Rotary vane pump : en
  • USD151567S - Design fob a dress ensemble : en
  • CA452168A - Apparatus for producing fibres : en fr
  • CH257952A - Fertilizer manufacturing process. : en fr
  • CA452205A - Process for producing monohaloalkanes : en fr
  • CH257865A - Air-cooled mercury vapor current converter. : en fr
  • CA452207A - Shock absorber : en fr
  • CH257803A - Device on the veneer peeling machine for centering the wood block in the machine. : de en
  • CH257764A - Glideslope beacon. : de en
  • GB611135A - Improvements in or relating to watches : en
  • US2452191A - Speed differential detecting apparatus : en
  • GB611059A - Improvements in or relating to thread-guide traverse mechanisms for thread winding machines : en
  • FR938787A - Combined viewfinder and focuser for cameras : en fr
  • GB611254A - Improvements in and relating to electric capacitors : en
  • FR938832A - Wave-signal transmission line : en fr
  • FR938869A - metal sealing elements : en fr
  • FR938851A - Process for preparing thioketones : en fr
  • US2452351A - Multiple holder of quartz oscillator plates : en
  • GB611060A - Improved form of pliable container : en
  • AU1591047A - Improved method and machine for producing carpets, rugs and the like : en
  • CA452167A - Method of and apparatus for producing fibres : en fr
  • CH257878A - Method for producing a local anesthetic. : de en
  • CA452203A - Scissors jack : en fr
  • CH257727A - Process for the production of fully synthetic molded structures. : de en
  • GB611031A - Means for the operation of gas discharge lamps by alternating current produced through transformation of direct current with the aid of a current converter : en
  • USD151502S - Design for a brooch or similar article : en
  • AU2268748A - Separator for separating solids, liquids or gaseous substances or mixtures thereof froma matter : en
  • CH257916A - Crawler chassis. : de en
  • GB611199A - Improvements in conveyors : en
  • GB611284A - Improvements in vices : en
  • US2452300A - Supercharger : en
  • US2452446A - Knee joint for prostheses : en
  • US2452427A - Condenser : en
  • CH257835A - Device for mixing combustion gases and cold air in gas turbine systems. : de en
  • CA452201A - Frequency discriminator circuit : en fr
  • GB611230A - Improvements relating to draught excluders for doors, windows and the like : en
  • US2452057A - Flexible leakproof coupling : en
  • US2452314A - Plasticized prolamine-base protein compositions : en
  • CA452146A - Shoe for divers : en fr
  • CH257702A - Zipper. : de en
  • DK67834C - Apparatus for measuring frequencies. : da en
  • FR938948A - Improvements to photosensitive products : en fr
  • CA452192A - Thermostat : en fr
  • US2452188A - Methylenedioxyphenyl compound as insecticide and pyrethrin synergist : en
  • US2452248A - Electrical mine apparatus : en
  • AU147800B2 - Electric motor driven power unit : en
  • FR938891A - Electrical switching device : en fr
  • US2452448A - Vehicle window regulator : en
  • CH257825A - Speed modifier mechanism. : en fr
  • US2452449A - Signal trainer : en
  • US2452065A - Electric switch : en
  • AU2326748A - Improvements in and relating tothe coating of porous or absorbent materials with resinous polymers of compounds containing the group CH2 = CL : en
  • CH257673A - Electrical device generating steam when in operation. : de en
  • BE485312A - Swimming apparatus : en fr
  • CH257786A - Aluminum alloy. : de en
  • CH257816A - Multi-part connecting rod. : de en
  • CH257891A - Method for carrying out a transmission operation alternating with reception operation on the same wave. : de en
  • CA452130A - Ignition means : en fr
  • GB611053A - Improvements in knitted fabrics and knitted garments : en
  • US2452458A - Hub structure : en
  • GB611049A - Improvements in feeding devices for arc-lamp carbons : en
  • US2452273A - Applicator : en
  • US2452293A - Color television system : en
  • GB611008A - Improvements relating to the control of aircraft and to the mounting of instruments on aircraft : en
  • CH257713A - Process to reduce foaming. : de en
  • CA452156A - Cartridge crystal holder : en fr
  • CH257646A - Loot box with frame block. : de en
  • GB611100A - Improvements in the manufacture of organic sulphites : en
  • CH257797A - Method of making a tap. : de en
  • US2452168A - Swivel type coaxial connector : en
  • CH257744A - Apparatus for reproducing copies from typed originals, manuscripts or drawings in one or more colors. : en fr
  • CH257890A - Arrangement for modulating the resonance frequency of an electrical oscillating circuit by means of a reactance tube connected to the oscillating circuit and controllable with regard to its characteristic slope. : de en
  • CH257827A - Liquid distributor. : de en
  • CA452100A - Depth gauge and press wheel attachment for grain drills : en fr
  • US2452042A - Transmitter for self-synchronous systems : en
  • US2452527A - Apparatus for effecting and controlling the inflation of pneumatic tires for vehiclewheels : en
  • US2452118A - Fire extinguishing waste paper receptacle : en
  • USD151513S - Combined cigar, cigarette, and match holder : en
  • CH257752A - Bearing arrangement on a rotatably mounted hollow body. : de en
  • CH257782A - Dispositif comprenant une plaque de contre-pivot. : de en fr
  • CH257817A - Needle roller bearings with needle retention. : de en
  • FR938778A - microfilm equipment and film processing apparatus : en fr
  • FR938936A - Process for treating water to remove dissolved oxygen : en fr
  • GB611077A - Process for plasticising natural or synthetic rubber : en
  • CH257666A - Siphon for pouring stones, sink units and drains. : de en
  • CH257745A - A spool for a roll of photographic film and a method of making the same. : en fr
  • CA452110A - Wheel structure : en fr
  • CH257903A - Motorless, semi-automatic filling machine. : de en
  • CH257736A - Arrangement for automatic polarity reversal of the operating voltage on the electrodes of an apparatus for sterilizing liquids. : de en
  • FR938351A - : fr
  • FR938847A - Press training : en fr
  • GB611061A - Multi-revolution electrical control apparatus : en
  • US2452362A - Apparatus for treating flowable solids : en
  • CH257708A - Device for sieving pourable goods. : de en
  • IS180B6 - Equipped with screws with rotating blades. : en is
  • GB611497A - Improvements in or relating to electrical socket contacts : en
  • CH257657A - A method of constructing rolling surfaces. : en fr
  • CH257743A - Drive device for adjusting the belts in belt stamps. : de en
  • GB611453A - Laminated safety glass : en
  • GB611469A - Improved method of providing vacuum vessels such as electric discharge tubes with a getter-layer : en
  • GB611323A - Improvements in and relating to the gas cutting of metals : en
  • USD151552S - Design for a brooch or similar article : en
  • USD151499S - Design for a necklace or similar article : en
  • CH257686A - Portable cooking apparatus for liquid fuel with a tin box. : de en
  • AU144206B2 - Improvements adapted to eliminate substantially the effects of capacitance coupling between inductively coupled components of frequency-selective electric circuits : en
  • DK67857C - Device for float-controlled fluid level control devices. : da en
  • FR938814A - Improvements to low frequency amplifiers : en fr
  • IE18518L - Heels for footwear : en
  • GB611017A - Improvements in or relating to control equipment for effecting stabilization of a platform on a moving craft such as an aircraft : en
  • GB611195A - Improvements in composite flexible clog soles : en
  • GB611333A - Vacuum tube voltmeter : en
  • FR938875A - Launcher for starting combustion engines : en fr
  • CH257889A - Shortwave device for wireless communication with a fine-tuning device that can be remotely controlled during operation. : de en
  • USD151543S - Design for an earring or similar article : en
  • GB611223A - Improvements in conveyors of endless belt type : en
  • US2452225A - Hair curling device : en
  • CA452095A - Method of making knitting needles : en fr
  • CH257920A - Suspension device on vehicles. : de en
  • US2452451A - Automatic cathead : en
  • CH257796A - Die pad. : en fr
  • USD151540S - Design for a necklace ob similar article : en
  • US2452327A - Multipurpose light : en
  • FR938768A - Liquid mixing device : en fr
  • FR938914A - Blade of agricultural machine, more particularly of cultivator : en fr
  • USD151546S - Design for a bracelet or similar article : en
  • GB611225A - System for supplying electrical discharge apparatus : en
  • GB611456A - Improvements in or relating to spring forks for motor cycles : en
  • CA452206A - Die head : en fr
  • US2452263A - Disazo dyestuffs : en
  • USD151528S - Design for a jewelry component : en
  • US2452072A - Explosive bullet : en
  • GB611465A - Improvements in or relating to rotary compressors : en
  • FR938941A - Improvements to the assembly of rotating shafts : en fr
  • USD151566S - Design for a dress : en
  • GB611018A - Improved means for controlling a reversible supply of electricity to a load such as an electric motor : en
  • US2452370A - Yarn-advancing reel : en
  • US2452392A - Glass handling device : en
  • US2452457A - Bolt puller : en
  • GB611207A - Improvements in or relating to phonographs : en
  • GB611209A - Improvements in or relating to microphones : en
  • US2452136A - Braiding machine for endless belts or the like : en
  • US2452402A - Trimming apparatus : en
  • GB611389A - Universal couplings or joints : en
  • CA452123A - Azeotropic separation of xylene from hydrocarbons with morpholine : en fr
  • US2452184A - Connector : en
  • US2452322A - Light modulator mount : en
  • GB611010A - Improvements in the production of polystyrene compositions : en
  • DK67832C - Telegraph apparatus, by which the individual characters are transmitted by transmitting character elements according to the combination principle. : da en
  • FR938912A - Fishing reel : en fr
  • FR938807A - Improvements in extrusion methods and equipment : en fr
  • GB611150A - Dress stands for show windows : en
  • USD151534S - Design for an earring or similar article : en
  • US2452170A - Air heater fok motos vehicles : en
  • FR938808A - Improvements to mixed frequency or amplitude modulation receivers : en fr
  • GB611228A - Plastics molding apparatus : en
  • GB611403A - Improvements in or relating to aircraft training apparatus : en
  • GB611041A - A target interchange and record arrangement : en
  • GB611220A - Improvements in or relating to optical image reversing units for photographic purposes : en
  • GB611067A - Improved process for the purification of coal gas : en
  • US2452470A - Distributing device : en
  • GB611095A - Improvements in manufacture of photographic film with reseau or multicolour screen : en
  • US2452127A - Counterelectromotive force motor starter control system : en
  • GB611106A - Process of producing water soluble substances having both bacteriostatic and vasoconstrictive qualities : en
  • GB611117A - Improvements in or relating to flux-coated welding rods : en
  • GB611128A - Device for use in the cylinders of internal combustion engines for testing and the repair of parts thereof : en
  • US2452054A - Fire-retardant composition and process : en
  • US2452159A - Spectacles with readily removable lenses : en
  • US2452030A - Step-up mechanism : en
  • US2452287A - Hot cap setting machine : en
  • US2452341A - Game : en
  • US2452141A - Die holder : en
  • US2452452A - Grapple : en
  • GB611382A - Source of radiation comprising a luminescent substance and process of preparing sucha substance : en
  • FR938910A - Heat exchange installation, in particular for heating vehicles, defrosting and other similar applications : en fr
  • GB611147A - Acid level indicator and electrolyte spray absorber for storage batteries : en
  • GB611368A - Improvements in or relating to automatic switches for use in telephone or like systems : en
  • CH257896A - Multi-stage broadband high frequency amplifier. : de en
  • CH257932A - Insulated contact wire crossing on overhead lines for trolleybuses and trams. : de en
  • CH257937A - Process for the production of a curable emulsion binder, particularly suitable for pigment printing, and a product produced by this process. : de en
  • FR938927A - Quick release system for clamping in adjustable wrenches or similar : en fr
  • GB611004A - Improvements relating to erection devices for gyro-verticals and gyro-horizons : en
  • GB611471A - Improvements in friction lighters : en
  • CH257954A - Directly displaying bearing method based on the goniometer method. : de en
  • FR938884A - Method of molding metal objects : en fr
  • GB611392A - Improvements in and relating to pulse generators : en
  • CH257787A - Tank for refining aluminum. : en fr
  • CH257837A - Swirl bodies on combustion chambers for generating heating or propellant gas with blades arranged around a fuel nozzle for mixing the combustion air with the fuel. : de en
  • AU138092B2 - Improvements in or relating to automatic valves : en
  • US2452215A - Valve for insecticide sprays : en
  • US2452512A - Filing cabinet : en
  • US2452486A - Filter : en
  • GB611464A - Improvements in or relating to golf bags : en
  • GB611496A - Lever type screw driver : en
  • FR938802A - Signal transmission device : en fr
  • GB611179A - Improvements in and relating to acoustic instruments, such as loud speakers and directional microphones : en
  • USD151527S - Design foe a lawn sweeper : en
  • GB611211A - Improvements in and relating to pressure sensitive adhesive sheets or tapes : en
  • US2452463A - Building block : en
  • US2452197A - Induction furnace for variable heat patterns : en
  • US2452511A - Heat responsive switch : en
  • US2452140A - Adjustable chair : en
  • USD151497S - Brooch or similar article : en
  • GB611266A - Improvements in or relating to puffs for toilet use : en
  • DK67855C - Footwear. : da en
  • USD151559S - Sachs building : en
  • FR938831A - Method for magnetically purifying heavy media : en fr
  • GB611146A - Improvements in or relating to motor vehicle lighting : en
  • GB611373A - New or improved machine for mixing dough and the like : en
  • US2452070A - Resistance welding forging pressure control : en
  • USD151501S - Design fob a brooch or similar article : en
  • GB611046A - Improvements in and relating to control systems of the correspondence kind for movable members : en
  • GB611363A - Improved method of deodorizing seaweed and improving its flavour : en
  • GB611441A - Improvements in mounts for optical elements : en
  • GB611447A - A combined axial flow and centrifugal compressor for aircraft engines : en
  • AU139435B2 - Fluid-pressure servo-mechanism : en
  • US2452426A - Holder for sheet material : en
  • CH257784A - Bumper bearing for pendulum of timepieces. : en fr
  • US2452073A - Folded dipole : en
  • USD151576S - Design for a luminaibe : en
  • AU1687147A - Improvements in mop holders : en
  • GB611239A - An improved gland for use in connection with steam, air, gas, liquid or other fluid pressure systems : en
  • CH257868A - Process for the production of a selenium element. : de en
  • CA452098A - Amusement device : en fr
  • CH257906A - Container closure device. : en fr
  • US2452032A - Electron discharge device of the magnetron type : en
  • US2452330A - Fastener : en
  • CH257650A - Slab. : en fr
  • CA452134A - Centrifugal clutch : en fr
  • CH257772A - Drive for gramophone apparatus. : de en
  • AU140293B2 - Improvements inthe manufacture of amino-formaldehyde condensation products suitable for banding, stiffening, laminating, impregnating andthe like and articles treated therewith : en
  • AU137772B2 - Automatic cutoff means for electrically operated liquid heating apparatus : en
  • CH257711A - Process for the production of food products, free of free oxalic acid, from cocoa beans. : en fr
  • CH257735A - Process for the treatment of liquids and suspensions, in particular sewage. : en fr
  • CA452109A - Wheel structure : en fr
  • USD151542S - Design for a bracelet or similar article : en
  • CH257691A - Loom. : en fr
  • CH257714A - Process for reducing the cell voltage in electrolyzer systems that are used to produce H2 and O2. : de en
  • FR938824A - Improvements to sensitive photographic emulsions : en fr
  • CA452155A - Electron discharge device and method of adjusting same : en fr
  • CH257856A - Shielded electrical resistance. : en fr
  • US2452376A - Bottle packing machine : en
  • CA452163A - Engine starting and propeller blade pitch adjusting apparatus : en fr
  • CH257791A - Process for the production of gratings using flat iron bars and grating produced according to this process. : de en
  • GB611261A - Improvements in or relating to telescopic pit props : en
  • IE18024L - Spark coils : en
  • US2452105A - Shock absorbing system for vehicles : en
  • US2452372A - Cam mechanism : en
  • US2452460A - Separation of 1-cyanobutadiene-1, 3 from acetic acid by azeotropic distillation : en
  • US2452399A - Stock agitating and circulating attachment for stock tanks used in pulp and paper mills : en
  • CH257767A - Thermocouple. : de en
  • GB611428A - Improvements in or relating to electrical dust-precipitating units : en
  • CH257927A - Braking device for vehicles with front and rear brakes, in particular for bicycles and motorcycles. : de en
  • FR938782A - Telephone microphone : en fr
  • CH257756A - Firearm aiming device. : de en
  • CH257677A - Duvet, consisting of two pieces. : de en
  • GB611047A - Improvements in aircraft navigation instruments : en
  • US2452075A - Velocity modulation electron discharge tube : en
  • US2452485A - Sealing and carrying device : en
  • AU139279B2 - An improved fitting fora printing unit, to enable very accurate intermittent feeding ofa web : en
  • US2452469A - Seal : en
  • US2452078A - Thermally tunable electron discharge device : en
  • GB611038A - Plastic product and method of forming same : en
  • US2452182A - Writing arm for collapsible chairs : en
  • US2452214A - Clamp-on electric heater for water tanks and the like : en
  • GB611051A - Detachable coupling for pipes, tubes or other elongated members : en
  • AU2332148A - Improved color television system : en
  • US2452259A - Electric burning-in knife : en
  • FR938993A - Improvements to television systems : en fr
  • GB611247A - An improved method and apparatus for running-in or conditioning internal combustion engines : en
  • FR938763A - Invisible tie holder : en fr
  • GB611255A - Improvements in or relating to the low temperature polymerisation of olefines : en
  • FR938861A - Improvements to large aperture lenses : en fr
  • GB611297A - Improvements in or relating to centrifugal pumps : en
  • CH257712A - Process for the production of at least partially artificial quartz crystals. : de en
  • CH257804A - A method and apparatus for the manufacture of synthetic resin plates. : en fr
  • CH257931A - Route station for controlling rail traffic. : en fr
  • FR938977A - Improvements to low frequency amplifiers : en fr
  • US2452476A - Circuit interrupter : en
  • GB611355A - Improvements in and relating to the production of regenerated cellulose sponge : en
  • US2452112A - Explosion-proof starter : en
  • US2452120A - Hanger : en
  • US2452203A - Concrete form waler bracket : en
  • AU2265148A - Improvements in or relating toa process of preparing insulin extract from pancreas glands andan apparatus for carrying out said process : en
  • GB611411A - Process for the purification of tungstic acid : en
  • FR938926A - System for picking prefabricated elements to obtain walls forming a single block of reinforced concrete : en fr
  • GB611438A - Improvements in or relating to roller bearings : en
  • AU2273948A - Three electrode circuit element utilizing semiconductor materials : en
  • US2452160A - Shiftable bed rail table : en
  • GB611190A - Automatic clutches : en
  • FR938978A - Process and plant for the hydrogenation of adiponitrile : en fr
  • US2452152A - Process of forming polyvinyl formal coatings on textiles : en
  • DK67839C - Egg cooker, in particular portable egg cooker. : da en
  • US2452316A - Adjustable support : en
  • US2452189A - Universal torch machine : en
  • USD151494S - Design for a brooch or similar article : en
  • US2452089A - Universal work head : en
  • US2452224A - Gas sampling apparatus : en
  • CA452119A - Oil primer : en fr
  • CH257788A - Process for the continuous casting of metallic solid or hollow strands made from alloys that tend to segregate. : de en
  • AU129405B2 - Glass composition : en
  • CA452112A - Window blind : en fr
  • PL33517B1 - A way of getting ahead of linen : en pl
  • US2452425A - Switch : en
  • GB611093A - Improvements in manufacture of photographic films with colour screens : en
  • FR938876A - Improvements to backlash clutches : en fr
  • GB611445A - Improvements in or relating to ship construction : en
  • GB611124A - A device for suspending loads from a wall parapet, windowsill, or other opening in awall : en
  • GB611234A - Improvements in or relating to the production of benzene hexachloride : en
  • GB611253A - Improvements in or relating to trackless motor road vehicles : en
  • FR938786A - Cinematographic film threading system : en fr
  • FR938842A - Improvements to photographic films containing couplers : en fr
  • GB611214A - Improvements in and relating to cleaning filter plates or screens : en
  • FR938780A - Book Binding Machine : en fr
  • FR938928A - Method of constructing acid-resistant devices : en fr
  • GB611397A - Window channel : en
  • CH257644A - Locking device for drifting bed covers. : de en
  • CH257762A - Method for determining the azimuth angle of a receiver with respect to a rotating field transmitter. : de en
  • FR938792A - Method and installation of color television : en fr
  • GB611035A - Improvements in or relating to the manufacture of thermionic valves : en
  • GB611393A - Improvements in electrical connectors for coaxial transmission lines : en
  • GB611148A - Improvements in safety device for strand feeding machines : en
  • GB611500A - Improvements in or relating to mechanical transmissions : en
  • GB611119A - Improvements in reservoir writing implements : en
  • GB611472A - Shorthand typewriting machines : en
  • GB611443A - Apparatus for playing a board game : en
  • FR938825A - Improvements in color photography processes : en fr
  • FR938755A - Ultra high frequency electromagnetic wave antenna : en fr
  • GB611457A - Improvements relating to electrical fused plugs : en
  • FR938937A - Multiple filament incandescent lamp : en fr
  • GB611133A - Improvements in and relating to multi-bank multi-wave electric switches : en
  • US2452404A - Manufacture of phenols or salts thereof : en
  • CH257887A - Circuit for adapting two electrical systems with unequal internal resistance. : de en
  • GB611121A - Improvements in the bolster bearings for the spindles of spinning mules : en
  • FR938865A - Improvements to automatic telephone systems : en fr
  • CH257895A - Antenna system. : de en
  • GB611307A - Improvements in plungers for pumps : en
  • FR938909A - Optical fire detector for ship holds : en fr
  • GB611326A - Improvements in or relating to guide vanes for axial-flow turbines and compressors : en
  • GB611182A - Improvements in building tiles for the heat insulation of flat roofs : en
  • GB611285A - Improvements in or relating to building blocks : en
  • AU140856B2 - Improved preparation of phenyl silicon trichloride : en
  • AU733746A - Instrument landing system : en
  • AU2333648A - Self-locking reduction gear : en
  • CH257719A - Process for the preparation of disazo dyes. : de en
  • CA452191A - Temperature responsive device : en fr
  • GB611328A - Improvements in the production of coloured pictures, such as photographs, drawing or sketches : en
  • FR938801A - Improvements to telephone devices : en fr
  • GB611044A - Improvements in or relating to wheels of turbines and the like machines : en
  • US2452226A - Laminated product and method of manufacture : en
  • USD151530S - Design for a necklace or similar article : en
  • AU146395B2 - Improvements in and relating tothe coating of porous or absorbent materials with resinous polymers of compounds containing the group CH2 = CL : en
  • CA452145A - Electric warp stop motion for loom : en fr
  • US2452307A - Musical key control : en
  • GB611162A - Improvements in or relating to suitcases and the like : en
  • GB611426A - Anti-glare device for automobile headlamps : en
  • GB611483A - Improvements in the electrodeposition of nickel from aqueous acidic nickel baths : en
  • CH257951A - Process for the production of a vat dye. : de en
  • US2452505A - Dehydrogenating saturated nitriles to unsaturated nitriles : en
  • CH257950A - Process for the production of a vat dye. : de en
  • CA452171A - Luminaire : en fr
  • CH257641A - Method of preventing weeds from growing or killing. : de en
  • AU2333748A - Grinding and polishing machine ofthe rotary tool type : en
  • CA452165A - Shock absorber : en fr
  • CH257831A - Steam turbine system with two coaxially arranged, double-flow low-pressure turbines. : de en
  • GB611113A - Preparation of granular polyvinyl ethers : en
  • GB611116A - Improvements relating to gloves : en
  • PL33521B1 - Foldable baby stroller : en pl
  • AU2333548A - Fluid-pressure servo-mechanism : en
  • GB611181A - Improved micrometer height gauge : en
  • GB611222A - Improvements in television analysers with slow moving electrons : en
  • CH257707A - Process for gelation of milk. : de en
  • AU143072B2 - Separator for separating solids, liquids or gaseous substances or mixtures thereof froma matter : en
  • CH257649A - Process for the preparation of a phosphorus-containing ester. : de en
  • CH257830A - Fluid machine, in particular for power transmission systems and pumping stations. : de en
  • CH257699A - Device on a machine for guiding material webs. : de en
  • US2452472A - Combustion tube heater for cooking containers : en
  • DK67856C - Electrical, in particular electroacoustic signaling apparatus. : da en
  • US2452382A - Apparatus for molding rubber and plastic materials : en
  • US2452488A - Apparatus for bending glass : en
  • CA452160A - Storage battery separator : en fr
  • AU2330448A - Improvements in or relating to devices comprising an electric welding time-dosing apparatus : en
  • US2452051A - Relay system : en
  • US2452230A - Rotary lock box : en
  • US2452414A - Concentrating and refining formaldehyde solutions by distillation with oxygenated hydrocarbon derivatives : en
  • US2452380A - Reversing mechanism for looms : en
  • USD151496S - Design for a brooch or similar article : en
  • FR938906A - Device for collecting products spilled on the ground : en fr
  • GB611312A - Improvements in or relating to fuel-metering devices for internal-combustion engines : en
  • AU138741B2 - Improvements in mop holders : en
  • CH257759A - Centering device for machine tools. : en fr
  • CH257922A - Cooling device for internal combustion engines. : de en
  • CH257824A - Mechanical continuously variable transmission. : de en
  • CH257749A - Ballpoint pen. : de en
  • US2452531A - Process of manufacturing a magnetic material and magnetic core : en
  • US2452173A - Plastic button : en
  • CH257910A - Brake for motor vehicles and other applications. : en fr
  • AU2307348A - Improvements in or relating to receiving equipment for pulse modulation communication systems and toa pulse delay device therefor : en
  • CH257647A - Insecticide. : en fr
  • CH257833A - Gas turbine. : de en
  • CH257777A - Eyeglass frame. : en fr
  • CH257947A - Process for the production of a vat dye. : de en
  • FR938810A - Signaling systems : en fr
  • AU2265748A - Dropping vehicles, guns, containers andthe like from aircraft : en
  • US2452313A - Plasticized prolamine-base protein compositions : en
  • US2452125A - Method of forming and changing the cross section of convoluted metal tubing : en
  • US2452206A - Sanding machine : en
  • US2452429A - Fungicidal compositions : en
  • GB611461A - Improvements relating to vehicle wheels : en
  • AU2331548A - Improvements in or relating to electrical pin-plugs : en
  • CH257746A - Couvercle pliant d'un dispositif de visée réflexe. : de en fr
  • CH257757A - Apparatus for measuring the relative displacements of two organs as a function of variations in electrical capacity. : en fr
  • AU2269548A - Improvements in machines for manufacturing offish nets andthe like : en
  • US2452122A - Apparatus and process for testing materials : en
  • GB611011A - Improvements in or relating to devices for detecting or measuring rate of turn : en
  • US2452358A - Axle and fifth wheel assembly for farm wagons : en
  • US2452319A - Rust and oxidation inhibited lubricating compositions : en
  • FR938840A - Motive Power Generators Improvements : en fr
  • GB611479A - Construction and the method of forming convoluted metal tubing : en
  • GB611019A - Improvements in or relating to automatic control systems : en
  • GB611221A - Electric coils and method of making electric coils : en
  • GB611470A - Improvements in and relating to centrifugal electric switches : en
  • US2452066A - Gas diffusion device for storage batteries : en
  • FR938983A - Polymerization of ethylene : en fr
  • GB611155A - Improvements in or relating to liquid fuel burners : en
  • US2452142A - Viscosity control : en
  • FR938758A - Improvements to fuel supply systems : en fr
  • FR938945A - Cathodic Glow Lamp Electrode Device : en fr
  • GB611379A - Improvements in or relating to electric discharge tubes : en
  • GB611141A - Improvements in or relating to electrically boost-heated ovens : en
  • FR938863A - Improvements to objectives : en fr
  • GB611020A - Improvements in or relating to automatic electric-motor control systems : en
  • GB611401A - Improvements in or relating to process and furnace for the manufacture of glass : en
  • CH257660A - Stove for space heating. : en fr
  • CH257901A - Display device. : de en
  • CH257905A - Metal barrel. : en fr
  • FR938853A - photosensitive emulsions : en fr
  • FR938872A - Wide bandwidth electrical testing devices : en fr
  • GB611495A - Improvements in and relating to the treatment of chloromethyl-substituted polysiloxanes : en
  • US2452177A - Mop holder with dual tape tensioning structure : en
  • USD151511S - Cream pitcher or similar article : en
  • US2452110A - Auxiliary safety wheels for use on automobiles and trucks : en
  • GB611078A - Improvements in and relating to frequency modulation radio receivers : en
  • AU2335648A - Improvements in or relating to iodinated pyridone derivatives of carboxylic acids : en
  • FR938956A - Device for controlling an audible warning device : en fr
  • GB611164A - Improvements in manufacture of natural or synthetic rubber sponge : en
  • GB611249A - Improvements in couplings for vehicles : en
  • US2452239A - Telephone circuit : en
  • US2452265A - Scalp protector : en
  • USRE23047E - Electric heater : en
  • CH257683A - Collapsible chair. : de en
  • GB611126A - Improvements in or relating to rollers of rubber or like resilient material for wringing machines : en
  • FR938764A - Improvements to rotary sounders : en fr
  • GB611273A - Improvements in and relating to fluid-cooled bearings and the like : en
  • FR938908A - Eclipsable railing : en fr
  • GB611353A - Improvements in the production of cellulose derivatives : en
  • GB611206A - Improvements in and relating to protective devices for electric circuits : en
  • GB611381A - Improvements in or relating to thermionic tubes : en
  • GB611183A - Improvements in or relating to containers for flowers or other light articles such as millinery : en
  • GB611193A - Improvements in apparatus for cutting slabs of material into pieces of predeterminedsize : en
  • US2452153A - Harvester platform adjusting means : en
  • GB611276A - Improvements relating to buckles : en
  • GB611488A - Method of splicing butyl rubber : en
  • FR938984A - Telomere manufacturing process : en fr
  • FR938986A - Manufacture of ethylene polymerization products : en fr
  • GB611213A - Method for purifying naphthalene : en
  • US2452154A - Bromination : en
  • US2452174A - Packaging : en
  • US2452090A - Coding apparatus : en
  • US2452262A - Fluid seal for inserts : en
  • CA452195A - Method of producing sheets and the product obtained : en fr
  • US2452336A - Safety control and ignition system : en
  • US2452285A - Spacing table : en
  • US2452479A - Undergarment : en
  • DK67850C - Collapsible stroller or wheelchair. : da en
  • FR938981A - Improvements to synchronization generators : en fr
  • GB611137A - Improvements in apparatus for the electrical precipitation of suspended particles from gases : en
  • GB611156A - Improvements relating to the plasticizing of rubber and rubber-like materials : en
  • GB611172A - Improvements in or relating to electric motor control systems : en
  • DK67853C - Sanding machine with an endless band of sanding cloth or similar sanding material. : da en
  • FR938783A - Improvements in high frequency generators : en fr
  • FR938949A - Method for retarding the diffusion of sensitizing dyes in photographic emulsions : en fr
  • CA452104A - Cement plant and method of operation : en fr
  • LU29189A1 - : en
  • US2452384A - Automobile radio remote control : en
  • FR938918A - Automatic braking device of a mass with high inertia launched in rotation, applicable to centrifugal dryers : en fr
  • FR938843A - Pad : en fr
  • FR938969A - Buckle and its manufacturing process : en fr
  • GB611103A - Improvements in or relating to catadioptric lens systems : en
  • US2452250A - Braiding machine carrier : en
  • CA452159A - Lead-in-seal : en fr
  • CH257917A - Vehicle equipped with an internal combustion traction engine. : en fr
  • US2452315A - Plasticized prolamine-base protein compositions : en
  • US2452455A - Ladder attachment : en
  • GB611065A - Improvements in or relating to electron discharge tube high frequency amplifiers andmodulating circuits therefor : en
  • GB611402A - Improvements in or relating to fuel injection pumps : en
  • GB611229A - Improvements in or relating to enclosed electric switchgear : en
  • FR938930A - Process for making sawtooth voltages linear, intended in particular for electronic deflection in cathode ray tubes : en fr
  • GB611191A - Improvements in or relating to suction cleaners : en
  • GB611365A - Improvements in wireless aerial systems or arrays : en
  • GB611299A - Device for testing apparatus by means of a high current and high voltage supplied byseparate sources of energy : en
  • GB611425A - Improved method of preparing organo-silicon esters : en
  • US2452087A - Pump jack : en
  • IE19320L - Voice-frequency signalling apparatus. : en
  • US2452245A - Hose clamp : en
  • US2452320A - Oxidation-inhibited lubricating compositions : en
  • FR938775A - Mixtures of polymers, more particularly of ethylene polymers with polymethylenes : en fr
  • FR938838A - Halogenated and nitrated dielectric compositions : en fr
  • GB611404A - Coin operated typewriter control apparatus : en
  • CH257809A - Slow advance conveyor with stirring of the material. : en fr
  • CH257836A - Rotors for centrifugal machines, in particular for gas turbines. : de en
  • US2452419A - Strip reversing binder for sewing machines : en
  • CH257738A - Process for the production of articles from paper which are provided at least in one place with an adhesive layer which becomes tacky as a result of moistening. : de en
  • USD151490S - Design fob a brooch ob similar article : en
  • CH257857A - Voltage dependent resistance. : de en
  • AU145390B2 - Improvements in or relating to apparatus for evaporating concentrating and distilling solutions : en
  • CH257948A - Process for the production of a vat dye. : de en
  • US2452502A - Shoe construction : en
  • US2452043A - Derivatives of sulfosuccinamic acid : en
  • US2452506A - Food preparations : en
  • US2452163A - Drop endgate for railway cars : en
  • GB611292A - Improvements in and relating to apparatus for salvaging vessels : en
  • CH257730A - Process for the preparation of a new high polymer, linear ester. : de en
  • GB611005A - Improvements in or relating to devices for detecting or measuring rate of turn : en
  • US2452366A - Patient adjustable foot section for articulated beds : en
  • GB611371A - Improvements in or relating to bolster bearings for the spindles of spinning and like machines : en
  • US2452129A - Sanitary garter belt : en
  • US2452533A - Preparation of paper-making fiber and other useful materials from straw : en
  • US2452053A - Floating mine : en
  • US2452290A - Hydraulic torque conversion apparatus : en
  • AU2328948A - Improvements adapted to eliminate substantially the effects of capacitance coupling between inductively coupled components of frequency-selective electric circuits : en
  • USD151510S - Design for an expansible link chain for a bracelet or similar article : en
  • US2452360A - Soldering gun : en
  • AU2272245A - Glass composition : en
  • GB611167A - Method of drying bulky fibrous masses : en
  • FR938770A - Cinematic fade device : en fr
  • GB611298A - Improvements in or relating to starting switches and circuit arrangements for electric discharge devices : en
  • GB611151A - Apparatus for aerial spraying : en
  • US2452462A - Concrete expansion joint : en
  • US2452477A - Circuit interrupter : en
  • CH257921A - Equipment on trucks for torsion-free support of the driver's cab on the chassis frame. : de en
  • FR938917A - Gear change device : en fr
  • US2452056A - Electrical discharge device : en
  • US2452291A - Revolving card file and posting table : en
  • DK67838C - Device for doormats. : da en
  • GB611358A - Improvements relating to the moulding of composite rings consisting partly of resilient material : en
  • US2452405A - Chaise longue : en
  • BE485319A - : en
  • AU142460B2 - A cooking device : en
  • US2452211A - Machine for mechanically working materials : en
  • US2452441A - Regulator valve having a capillary tube expansion passage : en
  • US2452500A - Pressure switch : en
  • GB611256A - Improvements in or relating to the low temperature polymerisation of olefines : en
  • GB611413A - Product applicable in leather manufacture, and process for the manufacture thereof : en
  • AU129361B2 - Improvements relating to combination lock : en
  • CA452092A - Flexible electrical conductor : en fr
  • CA452094A - Adjustable transformer : en fr
  • CH257908A - Folding box. : de en
  • AU2268848A - Improvements in or relating to automatic valves : en
  • CA452115A - Motor pump : en fr
  • US2452513A - Garment hanger : en
  • US2452478A - Diamond tool and method for making the same : en
  • US2452345A - Brassiere : en
  • GB611073A - Improvements in or relating to dry shavers : en
  • CA452176A - Sealing conductors through exhaust tubes of evacuated vitreous envelopes : en fr
  • CH257853A - High frequency cables. : de en
  • US2452475A - Convertible raincoat or cape : en
  • CA452111A - Method of manufacturing automobile wheels : en fr
  • US2452440A - Positive and lock lateral shoe stretching mechanism : en
  • BE485190A - Coupling device for discharge tubes : en fr
  • US2452139A - Method of preparing uranium deuteride : en
  • CH257789A - Apparatus for electric soldering and soldering. : en fr
  • CA452113A - Shoeshine fixture : en fr
  • CH257841A - Device for freezing animal organs in slaughterhouses. : en fr
  • AU2265648A - Impact release gear : en
  • CH257734A - Sewage treatment plant for mechanical and biological purification of domestic and industrial wastewater. : de en
  • US2452515A - Method of making geophysical explorations : en
  • AU2322348A - Improvements in or relating to substituted pteridine compounds : en
  • CH257694A - Sewing machine drive. : de en
  • CH257716A - Process for the production of perfluoroethylene. : de en
  • FR938799A - Polysiloxane resins and their preparation : en fr
  • GB611340A - Improvements in and relating to mining machines : en
  • DK67841C - Claim button. : da en
  • CA452169A - Gauging machine : en fr
  • CA452209A - Dust collecting composition : en fr
  • CH257929A - Railway signaling installation. : en fr
  • AU140750B2 - Improvements in wheel and disc brake assemblies : en
  • CH257750A - Writing implement. : de en
  • GB611175A - Improvements in method and apparatus for "uplasting" footwear : en
  • GB611391A - Thermionic valve amplifier circuit with multiple feedback : en
  • GB611236A - Improvements relating to variable reactances of the electron discharge tube type : en
  • GB611354A - Improvements in and relating to internal combustion engines of the compression ignition type : en
  • CH257659A - Heating device for lumpy items that can be used for domestic and commercial purposes. : de en
  • GB611084A - Improvements in knitted fabrics : en
  • GB611102A - Improvements in or relating to vibrating devices : en
  • US2452379A - Lubrication failure detector switch : en
  • USD151575S - Design for a luminaire : en
  • FR938820A - Injection pump for internal combustion engines : en fr
  • FR938839A - Pulse system : en fr
  • FR938903A - Device for driving a film in a stationary projection device : en fr
  • US2452186A - Saddle clamp structure : en
  • US2452521A - Locking device for truck and trailer doors : en
  • PL33526B1 - Process for the preparation of p-aminobenzenesulfonoacylamides : en pl
  • US2452133A - Phonographic apparatus : en
  • CH257811A - Watch strap. : en fr
  • CH257851A - Method for applying a uniform liquid coating to a wire which moves in a continuous manner and device for carrying out this method. : en fr
  • CH257879A - Process for preparing N-dimethylaminoethylphenothiazine. : en fr
  • LU29187A1 - : en
  • AU144338B2 - Improvements in or relating to electrical pin-plugs : en
  • USD151524S - Design for a handbag : en
  • CH257907A - Cord closure device for sacks. : de en
  • GB611282A - Improvements in and relating to cathodic sputtering : en
  • US2452106A - Radio antenna : en
  • US2452517A - Waste iron sulfate solution recovery : en
  • CH257732A - Method for treating household waste by fermentation and installation for the implementation of this method. : en fr
  • CH257790A - Covered welding rod and process for its manufacture. : de en
  • CH257780A - Device for the elastic fixing of a bearing, in particular of a bearing for a watch balance axis. : en fr
  • CH257765A - Display device for setting the angle on measuring and leveling instruments. : de en
  • CA452122A - Distillation of benzene fractions with butyraldehyde : en fr
  • US2452331A - Fastener : en
  • CA452124A - Distillation of benzene fractions : en fr
  • CH257668A - Latch for a door. : en fr
  • CH257741A - Binder for loose sheets. : en it
  • AU2273348A - Appliance for measuring external dimensions of work-pieces : en
  • CA452211A - Woven fabric : en fr
  • FR938760A - Apparatus providing the representation of complex waves in visual form : en fr
  • GB611311A - Improvements in and relating to refrigerating apparatus : en
  • USD151569S - Design for a match book holder : en
  • AU140749B2 - Automatic toaster : en
  • CH257726A - Adhesive and method of preparation thereof. : en fr
  • LU29188A1 - : en
  • US2452312A - Seam opening device : en
  • USD151568S - Design fob a dress : en
  • DK67854C - Matrix molded hinge and method of its manufacture. : da en
  • FR938883A - Subscriber telephone set : en fr
  • US2452209A - Cellulose ether plasticized with bis (allyl lactate) maleate : en
  • US2452270A - Trailer : en
  • AU143598B2 - Improvements in or relating to iodinated pyridone derivatives of carboxylic acids : en
  • US2452371A - Handle bar shock absorber : en
  • US2452210A - Combined illuminating and radiating type heater : en
  • US2452473A - Gyroscopic flight instrument : en
  • GB611226A - Automatic control system : en
  • AU135910B2 - An improved rotatable tabletop or display stand : en
  • US2452036A - Method of determining nickel content of steel : en
  • US2452318A - Electron discharge device utilizing cavity resonators : en
  • CH257892A - Receiver for frequency-modulated waves. : de en
  • US2452183A - Detachable book support for chairs : en
  • CH257867A - Circuit arrangement with means for achieving a phase difference that is practically constant over a predetermined frequency range between currents or voltages in at least two of its branch circuits. : de en
  • US2452301A - Dial test indicator clamp : en
  • US2452439A - Supporting stand for flatirons : en
  • CA452126A - Apparatus for making tubular bodies : en fr
  • AU1619047A - Improvements inthe mountings and actuating mechanisms of doors : en
  • CA452105A - Toy locomotive : en fr
  • DK67836C - Compressor with rolling piston. : da en
  • US2452218A - Hamburger apportioning, forming, and wrapping machine : en
  • USD151533S - Design for an earring or similar article : en
  • US2452220A - Magnetic separator : en
  • CA452200A - Process of and apparatus for extracting liquid from pervious sheet materials : en fr
  • US2452098A - Method of securing identification tags to seals : en
  • US2452115A - Power actuated garment and like presses : en
  • US2452202A - Radio-frequency distributor apparatus : en
  • FR938752A - Improvements to electronic discharge devices : en fr
  • AU144893B2 - Impact release gear : en
  • CH257687A - Closing device for beer keg. : en fr
  • CH257701A - Cover to protect the sleeves against dirt. : de en
  • CH257802A - Process for the production of veneer sheets by peeling logs and peeling machines. : de en
  • FR938974A - Improvements to cases for cigarettes, pencils or the like : en fr
  • FR938823A - Mechanical brushes improvements : en fr
  • FR938866A - Improvements in the manufacture of optical glass : en fr
  • GB611295A - Improved trolley pole head for collecting electric current from overhead conductors : en
  • GB611112A - Improvements in or relating to haulage gear : en
  • US2452166A - Alkylation of isobutane with ethylene : en
  • CA452196A - Forming non-plastic materials : en fr
  • US2452059A - Record posting apparatus : en
  • CH257682A - Spring pad. : de en
  • CH257689A - Tissue. : de en
  • CH257860A - Device to prevent the occurrence of operating-frequency overvoltages during short-circuit continuation in multi-phase networks. : de en
  • US2452303A - Multiple welding pressure roll assembly for electric weld tube mills : en
  • AU138973B2 - Improvements in or relating to hydraulic systems : en
  • USD151539S - Earring or similar article : en
  • GB611016A - Improvements in or relating to automatic stabilisation of equipment on a moving bodysuch as an aircraft : en
  • PL33525B1 - The method of obtaining quaternary high molecular weight bcnzylamine salts : en pl
  • US2452282A - Ventilated toilet : en
  • GB611120A - Improvements in sugar cane and the like crushing mills : en
  • US2452334A - Rudder assembly : en
  • US2452501A - Garage door operation : en
  • USD151521S - Machado calculating machine : en
  • FR938815A - Apparatus for forming or polishing facets on precious stones, diamonds and the like : en fr
  • CH257656A - Building construction process and building constructed using this process, in particular prefabricated chalet. : en fr
  • CH257795A - Hobbing machine, in particular for bevel gears. : de en
  • CH257936A - Durable product for transparentizing textiles. : de en
  • US2452264A - Cooling apparatus, temperature control : en
  • US2452373A - Method of and means for registering flat bed color printing elements with their fixed registry elements : en
  • USPP809P - Rose plant : en
  • CH257698A - Process for the manufacture of a product suitable for treating fibrous organic materials. : de en
  • CH257792A - Feeding device on presses. : de en
  • US2452516A - Body tipping apparatus for motor vehicles : en
  • AU1597947A - Improvements relating to tractor borne disc ploughs andthe like : en
  • US2452095A - Cylinder ridge reamer : en
  • USD151554S - Design for a brooch or similar article : en
  • CH257882A - Process for the preparation of a benzilic acid derivative. : de en
  • CH257869A - Process for the manufacture of rectifier elements. : de en
  • CH257799A - Process for the heat treatment of an aluminum alloy. : de en
  • AU2273448A - Micrometer gauge : en
  • US2452234A - Bed heater : en
  • US2452194A - Free piston machine : en
  • CA452172A - Luminaire : en fr
  • AU145840B2 - An improved process forthe production of uncut pile fabrics incorporating the use of shrinkable and unshrinkable yarns : en
  • CH257709A - Hand-operated monitoring device for exhaustors, in particular for grinding cycles and plansifters connected in series. : de en
  • AU1596447A - Automatic cutoff means for electrically operated liquid heating apparatus : en
  • US2452442A - Automatic reclosing circuit breaker : en
  • USD151557S - Design for an ash tray : en
  • FR938813A - Propeller : en fr
  • GB611136A - Production of slivers of artificial staple fibres : en
  • AU133433B2 - Instrument landing system : en
  • CH257776A - Glasses. : en fr
  • AU142714B2 - Improvements in machines for manufacturing offish nets andthe like : en
  • CA452210A - Gear box : en fr
  • AU143166B2 - Automobile triangle jack : en
  • CH257862A - Cavity resonator provided with a funnel. : de en
  • CA452142A - Brake beam structure : en fr
  • AU2272648A - An improved fitting fora printing unit, to enable very accurate intermittent feeding ofa web : en
  • DK67858C - Labyrinth puzzle. : da en
  • CH257693A - Drive device for the shedding machine on a loom. : de en
  • CH257774A - Electric motor. : en fr
  • AU2269448A - Improvements in or relating to latches for doors : en
  • CH257768A - Arrangement for amplifying a vibration for the magnetic time line deflection of the beam of a cathode ray tube. : de en
  • CA452189A - Method of and apparatus for burning liquid fuel : en fr
  • CH257940A - Process for the production of a vat dye. : de en
  • US2452461A - Door latch : en
  • US2452128A - Splitting machine : en
  • USD151555S - Design for a brooch or similar article : en
  • CH257875A - Saliva aspirator for the dental practice. : de en
  • CA452093A - Toy pistol : en fr
  • US2452280A - Shock absorbing seat structure for tractors : en
  • CA452133A - Engine starter : en fr
  • FR938864A - Two-stage hammer mill or mill : en fr
  • GB611490A - Improvements in or relating to variable cavity resonators : en
  • CA452135A - Plasticizing of vulcanized rubber : en fr
  • CH257770A - Gemstone storage on a device. : de en
  • GB611335A - Improvements relating to receivers for angle-modulated carrier waves : en
  • GB611384A - Improvements in or relating to work positioning mechanisms for punch presses, ammunition loading machines or the like : en
  • US2452034A - Electrical drop signal device : en
  • GB611407A - Improvements in and relating to drink dispensing machines : en
  • US2452385A - Color comparison apparatus : en
  • GB611189A - Improvements relating to cords : en
  • GB611252A - Improvements in or relating to method for the production of bactericides : en
  • GB611419A - Improvements in track wheels for vehicles : en
  • USD151571S - Design for a dummy plug for electric outlets : en
  • FR938934A - Metal lamella filter with automatic cleaning comb : en fr
  • FR938963A - Composite film for reception of stereoscopic images : en fr
  • GB611021A - Improvements in or relating to devices for detecting or measuring rate of turn : en
  • FR938383A - : fr
  • GB611301A - Improvements in and relating to apparatus for locating a target : en
  • US2452464A - Mortar applying device : en
  • GB611322A - Improvements in planetary grinding machines : en
  • GB611477A - Improvements in or relating to lampshades : en
  • CH257692A - Equipment on automatic looms for weft cutting. : de en
  • CH257696A - Pricking device. : de en
  • CA452096A - Raw hide web : en fr
  • FR938893A - Electronic lens system : en fr
  • GB611374A - Improvements relating to means for clamping heating elements in electrically-heated apparatus : en
  • GB611427A - Dynamo built within the hub of a bicycle wheel : en
  • GB611138A - Improvements in or relating to electrical reciprocating tools : en
  • GB611448A - Improved electric motor driven screw and nut mechanism : en
  • AU138282B2 - Improvements in and relating to cupboards, cabinets or wardrobes forthe storing of wearing apparel andother goods : en
  • CH257754A - Device for the remote reversing of the direction of travel of toy locomotives and other electric toys. : en fr
  • CH257781A - Waterproof case for watch and measuring device. : en fr
  • GB611378A - Improvements in arc welding apparatus fed with alternating current : en
  • CH257775A - Prism. : en fr
  • CH257941A - Process for the production of a vat dye. : de en
  • FR938958A - Electrically selectable control circuits : en fr
  • GB611089A - Process for the degradation of steroid compounds : en
  • FR938879A - Improvements with flexible transparent lenticular sheets, and objects and signals prepared by means of these sheets : en fr
  • GB611339A - Improvements in the mounting of electrical accessories in metal boxes : en
  • GB611052A - Improvements in or relating to coupling arrangements between aerials and transmission lines : en
  • FR938836A - Device for exploring a space determined by a radiated beam of radio-electric signals : en fr
  • GB611006A - Indicating or controlling systems such as apparatus for indicating or controlling the course of craft : en
  • GB611414A - Improvements in or relating to microphones : en
  • GB611503A - Improvements in or relating to shaft seals : en
  • CH257779A - Shaft with balance fixed by bank and hairspring ring. : en fr
  • GB611278A - An improved distance thermometer outfit : en
  • FR938966A - Improvements in the manufacture of dry straighteners : en fr
  • GB611099A - Electric systems for generating a control voltage for controlling a reversible supply of electricty : en
  • GB611356A - Rotary dryer or cooler : en
  • US2452353A - Burial dress support : en
  • USD151547S - Earring or similar article : en
  • GB611235A - Process for the manufacture of new condensation products : en
  • FR938881A - Improvements in the assembly of electric lamp filaments : en fr
  • GB611058A - Cathode for electron discharge device and method of producing the same : en
  • GB611316A - Process for the preparation of diarylamines : en
  • US2452205A - Sanding machine : en
  • FR938852A - Enhancements to photosensitive emultions : en fr
  • US2452297A - Winch and the like : en
  • FR938996A - Automatic telegraph machines : en fr
  • GB611491A - Improvements in and relating to advertising or display devices : en
  • GB611485A - Improvements in electric irons : en
  • US2452398A - Grinding wheel dresser : en
  • US2452145A - Telescope sight mounting : en
  • US2452251A - Retractable landing gear fairing : en
  • CH257904A - Device for packaging fragile objects. : en fr
  • FR938873A - Electrodes for electronic discharge devices : en fr
  • GB611086A - Improvements in heating apparatus : en
  • GB611233A - Improvements in or relating to photographic cameras : en
  • AU2329448A - Antenna array : en
  • GB611308A - Improved power transmitting mechanism : en
  • US2452037A - Electronic high-voltage regulator : en
  • FR938803A - Improvements to metal-to-glass seals : en fr
  • US2452208A - Velocity governor : en
  • US2452161A - Parking guide : en
  • CA452162A - Preparation of azine dyestuff images : en fr
  • FR938992A - Circular knitting machine and its method of operation : en fr
  • DK67835C - Process for the production of fired graphite clay mines. : da en
  • US2452162A - Induction heating coil : en
  • US2452192A - Lock nut : en
  • CA452178A - Loading machine : en fr
  • GB611097A - Improvements in manufacture of photographic film with reseau or multicolour screen : en
  • US2452482A - Hydraulic jack : en
  • US2452249A - Drier for granular plastic : en
  • USD151538S - Design for a brooch or similar article : en
  • GB611321A - Improvements in and relating to the colouring of textile fibres by means of water insoluble dyestuffs : en
  • GB611087A - Improvements in electric heating apparatus : en
  • GB611395A - Improved device for adjusting the level of electrolyte in accumulators : en
  • FR938800A - Telephone device : en fr
  • FR938854A - Device for determining the position of an object in space : en fr
  • GB611152A - Anti-mosquito oils : en
  • GB611240A - Coating apparatus : en
  • AU2270048A - A cooking device : en
  • GB611435A - Improvements in skimmers : en
  • CH257740A - Apparecchio di ritegno per registri a schede visibili. : en fr it
  • GB611422A - Production of shaped articles from thermosetting or thermoplastic material : en
  • US2452393A - Governor-throttle connection : en
  • USD151505S - Design for a brooch or similar article : en
  • LU29190A1 - : en
  • GB611498A - Improvements in or relating to panel gas fires : en
  • AU139433B2 - Improvements in or relating to latches for doors : en
  • GB611383A - Improvements in or relating to electric discharge tubes : en
  • CA452187A - Textile material bleaching process : en fr
  • GB611257A - Improvements in and relating to mounting strips for electrical wiring tags : en
  • GB611489A - Wheel fairing : en
  • US2452088A - Governor control for prime movers : en
  • USD151489S - Combined bracket lamp socket and control switch : en
  • USD151563S - Design fob a dress : en
  • GB611145A - Improvements in and relating to beams for building constructions : en
  • US2452529A - Magnet core : en
  • US2452423A - Tool for removing wire insulation : en
  • GB611417A - Preparation of guanidine : en
  • GB611468A - Improvements in shielded high-frequency cables : en
  • US2452109A - Locking means for rotary actuating bars of door fasteners : en
  • US2452386A - Ethers of vitamin a : en
  • US2452418A - Beet digger : en
  • US2452077A - Electric discharge device : en
  • US2452080A - Method of continuously extruding vinylidene chloride polymer tubes and stretching the same : en
  • US2452352A - Self-aligning bearing : en
  • FR938989A - Improvements to carrier frequency communication systems : en fr
  • FR938888A - Light-intercepting frame ventilated housing device for cinematographic or other projectors : en fr
  • CH257642A - Product for the treatment of fungal diseases of plants. : en fr
  • GB611204A - Improvements relating to magnetic field responsive devices : en
  • GB611361A - Devices facilitating walking on mud : en
  • GB611439A - Improvements in or relating to the production of alkali metal perborate compositions : en
  • FR938795A - Indicating device sensitive to the intensity and direction of a magnetic field, in particular for navigation : en fr
  • GB611317A - Improvements in lustering processes : en
  • FR938753A - Improvements to voltage regulators : en fr
  • GB611219A - Automatic alarm signalling system : en
  • FR938922A - Sliding contact pad connector : en fr
  • FR938762A - Improvements made to stop rings : en fr
  • GB611269A - Improvements in holding tongs : en
  • GB611275A - Improved process and apparatus for coating fabrics with liquids : en
  • FR938817A - Device for cutting precious stones : en fr
  • FR938985A - Interpolymerization of carbon monoxide with polymerizable organic compounds : en fr
  • IE18343L - Therapeutic preparations : en
  • AU1671247A - Improvements in or relating to apparatus for aerating liquids : en
  • GB611376A - Device for intergranular exposure of test papers and the like : en
  • GB611028A - Improved inflatable core for and method of moulding perforations in concrete, mortar, pottery or the like : en
  • GB611432A - A new or improved means for moulding ophthalmic contact lenses from plastics : en
  • FR938899A - Replaceable reinforcement for heels of ankle boots and other shoes : en fr
  • GB611406A - Improvements in or relating to emulsifiers for rendering water-thinnable the concentrates of coating compositions, the improved water-thinnable coating compositions, and methods of thinning the same : en
  • USD151506S - Design for a suit : en
  • CA452117A - Textile material treating method : en fr
  • CH257934A - Drive. : de en
  • US2452343A - Apparatus for hot sawing : en
  • US2452383A - Spool or bobbin : en
  • US2452424A - Wick holder for evaporators : en
  • FR938784A - Static frequency reducer : en fr
  • GB611478A - Improvements in or relating to record-card controlled accounting machines : en
  • US2452428A - Flexible valve stem drive : en
  • GB611076A - Improvements relating to bottle crates : en
  • FR938829A - Method and apparatus for blowing glass : en fr
  • DK67845C - Adjustable gear mechanism for motors. : da en
  • GB611012A - Manufacture of esters of aminotriazine-formaldehyde condensation products : en
  • GB611364A - Shaft couplings : en
  • GB611154A - Improvements in loaders : en
  • GB611320A - Improvements in and relating to azo dyestuffs : en
  • GB611327A - Tone arm-operated electrical switching means for gramophones and like apparatus : en
  • USD151517S - Design for an earring or similar article : en
  • DK67860C - Wind engine. : da en
  • US2452151A - Chain and lock mechanism : en
  • GB611153A - Improvements in or relating to sound absorbing building blocks : en
  • CA452181A - Portable loading machine : en fr
  • US2452433A - Method and apparatus for making elastic coil cables with longitudinal ends : en
  • US2452510A - Sub-caliber assembly for firearms : en
  • US2452246A - Clothesline device : en
  • US2452149A - Method and apparatus for covering a scale for the handle of a pocket knife : en
  • DK67829C - Low pressure steam boiler. : da en
  • GB611346A - Flue dust removing apparatus : en
  • CH257773A - Electroacoustic converter. : de en
  • GB611260A - Improvements in adjusting or tuning mechanisms for electron discharge devices : en
  • FR938500A - : fr
  • GB611224A - Process of separating gaseous mixtures : en
  • GB611492A - Improvements in reinforcing bars : en
  • US2452067A - Apparatus for radio tuning, volume control, wave band selection, and other purposes : en
  • GB611074A - Improvements relating to endorsing machines : en
  • GB611463A - Improvements in and relating to cloches : en
  • CH257805A - Machine for seam joining layers of fabric lying on top of one another, at least one of which is thermoplastic, with the aid of a high-frequency electric field. : de en
  • FR938887A - Improvements to turbine rotors : en fr
  • GB611324A - Improvements in or relating to machines for the treatment of turf : en
  • FR938766A - Nickel anode refinements : en fr
  • DK67843C - Process for the preparation of aqueous solutions or suspensions of dinitrocresols for the control of harmful organisms. : da en
  • GB611386A - Improvements in leak-stopping devices for repairing domestic and like vessels : en
  • CH257958A - Device for adjusting the blades of a propeller. : de en
  • US2452254A - Liquid polymeric dimethyl silicones : en
  • USD151522S - Martljng, jr remote controller casing : en
  • CA452147A - Signal level control : en fr
  • CH257706A - Method and device for drying with heat recovery. : de en
  • USD151549S - Design for a pin clip ob similar article : en
  • CH257899A - Method and device for reproducing television pictures. : de en
  • US2452131A - Cosmetic device : en
  • CA452170A - Lighting system and lighting unit for the use therein : en fr
  • US2452519A - Method of preparing metal for metal-to-glass seals : en
  • USD151570S - Design for a palate plate brush : en
  • US2452272A - Magnetron : en
  • AU143599B2 - Improvements in or relating to substituted pteridine compounds : en
  • AU2339148A - Improvements in or relating to substituted pteridine compounds : en
  • US2452148A - Adjustable keyhole saw : en
  • USD151498S - Design for a brooch ob similar article : en
  • CH257823A - Automatic flushing machine, especially for toilets. : de en
  • AU2334248A - Process forthe stabilization of products obtained by reacting high-molecular polyunsaturated compounds and inorganic acids or acid anhydrides : en
  • PL33518B1 - Test device with smooth return movement with servo motor : en pl
  • CH257914A - Electromagnetic induction clutch. : en fr
  • CH257859A - Device to prevent the occurrence of operating-frequency overvoltages during short-circuit continuation in multi-phase networks. : de en
  • CH257747A - Method for identifying and locating photographic films and a machine for implementing this method. : en fr
  • CH257885A - Centering device on a rotary selector. : de en
  • US2452222A - Bridge ramp : en
  • USD151558S - Design for a smoking pipe attachment : en
  • US2452304A - Phonograph needle : en
  • US2452522A - Luminescent screen and method of developing light : en
  • CH257674A - Carpet beater. : de en
  • US2452124A - Hydraulic scale : en
  • CH257938A - Process for the production of a vat dye. : de en
  • US2452134A - Dehydrator : en
  • USD151503S - Design for a brooch ob similar article : en
  • CA452161A - Closure sleeve : en fr
  • CH257710A - Filters for gaseous media. : de en
  • CH257847A - Coaxial communication cable. : de en
  • US2452062A - Electrical discharge tube : en
  • US2452459A - Knee structure for artificial legs : en
  • US2452325A - Form-securing clamp : en
  • US2452340A - Radio receiver circuit arrangement : en
  • US2452113A - Switch for high-frequency electrical oscillations : en
  • CH257820A - Drive belt with straps. : en fr
  • CH257663A - Method and device for atomizing liquids. : de en
  • FR938890A - Industrial truck : en fr
  • GB611132A - Improvements in and relating to radio-frequency inductors or transformers : en
  • US2452228A - Elastic parachute shroud and method of making it : en
  • CH257639A - Grass drying system with storage container with feed device upstream of the drying apparatus. : de en
  • BE485181A - : en
  • CH257652A - Plate. : de en
  • AU2265048A - Improvements in or relating tothe production of aqueous dispersions of copolymers and of moistureproof sheet wrapping material coated therewith : en
  • CH257888A - Antenna arrangement for ultra-short wave directional connection devices, from which a transmit and a receive channel extend in one and the same direction. : de en
  • US2452171A - Metallizable monoazo dyes : en
  • USD151544S - Design fob a brooch ob similar article : en
  • CH257925A - Porter. : de en
  • CH257884A - Hairdryer. : de en
  • CH257832A - Process for operating gas heaters, in particular for thermal power plants. : de en
  • US2452361A - Method for electrolytic deposition of indium, and bath therefor : en
  • US2452530A - Magnetic core : en
  • USD151562S - Design for a dice game device : en
  • US2452069A - Grid structure : en
  • CA452197A - Control apparatus for reversible motors : en fr
  • CA452152A - Electron discharge device : en fr
  • GB611083A - Improvements in or relating to intelligence relaying systems : en
  • GB611452A - Improvements in or relating to cases for storing photographic plates and like articles : en
  • AU145808B2 - Overvoltage protector : en
  • CH257678A - Device to be attached to a plate for collecting waste. : de en
  • GB611272A - Fluid operated vise : en
  • GB611431A - Improvements in or relating to juice extracting devices : en
  • CA452131A - Electrical apparatus : en fr
  • CH257848A - Pipe bending pliers. : de en
  • AU2274248A - Induction rotor : en
  • US2452487A - Scaffolding and like structures : en
  • FR938962A - Device for applying a polarizing material to curved surfaces : en fr
  • US2452167A - Rotary hook : en
  • CA452120A - Safety jaw for fifth wheel assemblies : en fr
  • DK67840C - Organ made of a single crystal and intended for mechanical recording or reproduction of oscillation records. : da en
  • US2452411A - Weed burner : en
  • USD151487S - Design for a space heater casing : en
  • US2452082A - Cutter chain : en
  • GB611057A - Improvements relating to valve arrangements for reciprocating hydraulic pumps : en
  • GB611163A - Magnetic switch to eliminate friction in the operation of switch contacts in telephones : en
  • USD151495S - Brooch or similar article : en
  • CA452179A - Portable loading machine : en fr
  • CA452204A - Method of making perforated plates : en fr
  • GB611394A - Improvements in heavy-media separation apparatus : en
  • US2452071A - Can body : en
  • US2452514A - Paper clip : en
  • GB611251A - Improvements in or relating to electric couplings : en
  • USD151551S - Brooch or similar article : en
  • US2452342A - Elevator control system : en
  • US2452412A - Concentrating and refining formaldehyde solutions by distillation with hydrocarbons : en
  • US2452483A - Rotary pressing machine for continuous pressing operations : en
  • FR938834A - Process for obtaining metallic azo pigments : en fr
  • GB611094A - Improvements in manufacture of photographic film with reseau or multicolour screen : en
  • US2452355A - Torque control for helicopters : en
  • US2452495A - Toy submarine : en
  • US2452180A - Combined ash receptacle and draft controlling door for domestic water heaters, stoves, and the like : en
  • US2452438A - Mounting for inverted incandescent mantles : en
  • FR938811A - Oscillator systems : en fr
  • AU147515B2 - Three electrode circuit element utilizing semiconductor materials : en
  • AU146346B2 - Improved color television system : en
  • CH257873A - Device for regulating a three-phase electric furnace with electrodes for melting glass. : en fr
  • GB611140A - Improvements in or relating to safe-air-speed indicators for aircraft : en
  • CH257655A - Up-and-over door for a room such as a garage. : en fr
  • CH257913A - Device on vehicles provided with a lifting mechanism for holding an object to be transported in the transport position. : de en
  • US2452397A - Smoking pipe : en
  • FR938844A - Improvements to hollow resonators for electromagnetic waves : en fr
  • FR938946A - Process for coloring glass fibers and similar fibers with organic dyes : en fr
  • GB611396A - Improvements in and relating to accumulator batteries : en
  • FR938857A - Sawtooth wave generator : en fr
  • CH257725A - Protective agents, in particular wood impregnating agents, and processes for their production. : de en
  • FR938806A - New type of circular dipole antenna : en fr
  • FR938867A - High temperature resistant alloy enhancements : en fr
  • GB611139A - Improvements in or relating to guards for printing machines : en
  • GB611318A - Improvements in and relating to underwater sound transmitting and receiving apparatus for ships : en
  • GB611467A - Improvements relating to skotch block devices for railways and the like : en
  • AU142645B2 - Improvements in or relating toa process of preparing insulin extract from pancreas glands andan apparatus for carrying out said process : en
  • CA452166A - Hydraulic shock absorber : en fr
  • CH257840A - A device having a float valve for automatic control of the evaporator of a refrigeration machine. : de en
  • GB611115A - An improved toggle lever more especially designed for the releasing of automatic electric switches : en
  • GB611474A - An improved bonding and earthing device for a screened electric cable : en
  • US2452123A - Arrangement in grinding machines : en
  • DK67846C - Hydraulic power transmission system. : da en
  • GB611014A - Improvements in or relating to electronic oscillators : en
  • US2452094A - Razor blade sharpener : en
  • CA452150A - Means for controlling advancement of stock : en fr
  • USD151514S - Design fob a food chopper : en
  • GB611063A - Programme selector for rediffusion networks : en
  • US2452359A - Job time recorder system : en
  • US2452498A - Seam welding : en
  • US2452409A - Rotary abrading device : en
  • CH257771A - Adding machine with totalizer. : de en
  • GB611048A - Amplifying devices for electric motor control systems and the like : en
  • GB611367A - Improvements in and relating to needles or bodkins for threading lingerie or thonging leather goods and the like : en
  • FR938980A - System enhancements for message transmission : en fr
  • GB611484A - Improvements in and relating to conveyors for documents and other articles of light weight : en
  • CH257855A - Arrangement for actuating contacts in electrical time switches. : de en
  • FR938998A - Cooling of a body at high temperature by the action of a liquid : en fr
  • GB611054A - Dispensing and vending apparatus : en
  • US2452484A - Ellipsograph : en
  • US2452033A - Tractor trailer brake control : en
  • US2452253A - Floating sealing device : en
  • US2452508A - Snap action thermal limit switch : en
  • CH257893A - Tuning indicator device for radio receiver. : en fr
  • FR938938A - Advanced brick for cavity walls : en fr
  • GB611283A - Clothes line manipulator : en
  • US2452146A - Tank top : en
  • DK67848C - Wagon with bogie. : da en
  • GB611303A - Improvements in or relating to the production of olefinic nitriles : en
  • GB611330A - Improvements in or relating to thermionic amplifier control and modulating stages and the like : en
  • GB611423A - Improvements in and relating to fuel injection system for multi-cylinder combustion engines : en
  • GB611482A - Improvements in connection with the addition of a liquid to water, or other liquid, flowing in a pipe : en
  • GB611040A - Improvements in or relating to oils for industrial purposes and manufacture thereof : en
  • DK67828C - Apparatus for the production of ozone. : da en
  • US2452281A - Aircraft propulsion means : en
  • US2452507A - Snap-action fluorescent light switch : en
  • USD151523S - Design for a handbag : en
  • US2452357A - Manufacture of plastic containers : en
  • US2452378A - Cable reel : en
  • GB611429A - Improvements connected with saucepans and like cooking utensils : en
  • USD151516S - Design for an earring or similar article : en
  • CH257697A - Process for making made-up articles made up at least in part of animal fibers non-shrink. : en fr
  • GB611418A - Improved process and plant for underground gasification : en
  • FR938868A - Improvements to heating equipment using high frequency currents : en fr
  • GB611130A - Safety measures for electrically-driven machine tools : en
  • FR938919A - Improvements to high-speed devices, such as clarifiers, separators, wringers, etc. : en fr
  • GB611144A - Improvements in and relating to automatic electric toasters : en
  • GB611071A - Improvements in braiding machines : en
  • GB611218A - Improvements in torsion bar suspension devices for vehicle wheels : en
  • FR938796A - Improvements relating to carbon black and process for its preparation : en fr
  • FR938952A - Movable leading edge more specially intended for aerodyne wings : en fr
  • GB611068A - Improved separator for a mixture of heavy and light gases : en
  • GB611350A - Improvements in or relating to knurling tools : en
  • GB611357A - Seals for rotary dryers or coolers : en
  • GB611216A - Improvements in or relating to laminated products : en
  • DK67859C - Clamp. : da en
  • FR938845A - Improvements to switching systems particularly suitable for automatic telephony : en fr
  • FR938849A - Electric torch : en fr
  • US2452468A - Reciprocating abutment fluid pump : en
  • GB611246A - Cast refractory products : en
  • GB611197A - Improved apparatus for drying grass or other vegetable matter : en
  • GB611344A - Improvement in inner soles for shoes and similar articles : en
  • CH257724A - Process for the preparation of an acidic dye of the anthraquinone series. : de en
  • CH257742A - Multicopy device for use in cooperation with a desktop roller machine, in particular with a typewriter. : en fr
  • GB611217A - Improvements in or relating to centrifugal electric furnaces : en
  • US2452256A - Fluid handling mechanism : en
  • US2452389A - Self-contained portable film developing apparatus : en
  • CH257872A - Generator for generating high DC voltages. : de en
  • AU2270148A - Heating element for cooking device : en
  • AU2329248A - Improvements in transformer units : en
  • US2452193A - Free piston engine compressed air accumulator, variable volume : en
  • AU143501B2 - Improvements in or relating tothe production of aqueous dispersions of copolymers and of moistureproof sheet wrapping material coated therewith : en
  • CH257946A - Process for the production of a vat dye. : de en
  • US2452046A - Bearing temperature control system : en
  • CH257935A - Aircraft. : de en
  • US2452480A - Defect detector for railway car wheels : en
  • US2452444A - Adjustable pitch airplane propeller : en
  • CH257722A - Process for the production of a vat dye. : de en
  • CH257898A - Superheterodyne receiver for television and radio reception. : de en
  • CH257676A - Device for treating surfaces, e.g. B. for waxing floors, corridor stairs, etc. : de en
  • US2452417A - Method and apparatus for use in designing solar houses : en
  • AU139817B2 - Induction rotor : en
  • AU139266B2 - Improvements in fabric guiding device : en
  • US2452111A - Speed responsive clutch : en
  • US2452288A - Bowling score indicator : en
  • FR938773A - Improvements in the conversion of hydrocarbons and the catalysts used for this purpose : en fr
  • GB611294A - Improvements in footwear : en
  • USD151500S - Design for a brooch or similar article : en
  • FR938797A - Ribbed tire : en fr
  • CA452136A - Plasticizing of vulcanized rubber scrap : en fr
  • GB611158A - Improvements in or relating to antifriction screw devices : en
  • FR938809A - Improvements to high frequency heating equipment : en fr
  • CA452175A - Vertical crossover elimination : en fr
  • US2452114A - Balanced wave filter : en
  • US2452421A - Vacuum return pumping unit : en
  • US2452346A - Garment hanger : en
  • FR938771A - Improvements in writing and printing languages of the Arabic group : en fr
  • US2452496A - Windshield wiper blade operating mechanism : en
  • US2452509A - Wheel truing device : en
  • USD151492S - Design fob a brooch ob similar article : en
  • FR938788A - Spring mechanism : en fr
  • GB611080A - Improvements in or relating to chromatographic separation : en
  • US2452156A - Float position indicator : en
  • USD151515S - Design for an electric drier casing : en
  • FR938880A - Improvements to discharge lamp circuits : en fr
  • CH257705A - A method of manufacturing slippers with padded soles. : en fr
  • FR938776A - Amplifier circuit for photocells : en fr
  • US2452169A - Folding picnic table : en
  • US2452377A - Window latch : en
  • GB611118A - Improvements in stationery feed mechanism for printing or writing appliances : en
  • DK67831C - Transmitter for transmitting telegraph pulses to remote printers operating according to the start-stop principle. : da en
  • US2452243A - Self-tipping conveyer bucket : en
  • GB611499A - Improvements in and relating to conveyors for documents and other articles of light weight : en
  • GB611009A - Improvements in or relating to electric servo motors and to systems controlled thereby : en
  • GB611415A - Improvements in or relating to piezoelectric crystal elements and units and piezoelectric transducers and devices : en
  • GB611351A - Improvements in or relating to receptacles for flowers, fruit, merchandise, books and the like : en
  • CH257778A - Clockwork movement regulator and other mechanisms. : en fr
  • GB611338A - An improved clip for securing electric cables, wiring fittings and the like to metalgirders : en
  • GB611475A - Improvements in or relating to printers' quoins : en
  • GB611111A - Improved machine for use in cutting and filling cakes and the like : en
  • GB611025A - A thermionic control device for the control element of a variable system : en
  • GB611408A - Improvements in or relating to folding doors, blinds or the like : en
  • GB611101A - Improvements in or relating to the manufacture of thermionic valves : en
  • GB611131A - Machine-tool for cutting up rods : en
  • GB611359A - Improvements in or relating to friction devices such as brakes, clutches and the like : en
  • US2452349A - Directive radio antenna : en
  • FR938954A - Improvements to analysis circuits for cathode ray tubes : en fr
  • FR938955A - Catalytic conversion of oils : en fr
  • GB611347A - Improvements in or relating to formers for electric inductance and like coils : en
  • US2452275A - Tube fitting coupling : en
  • FR938769A - Clutch suitable for application to aircraft autopilot devices : en fr
  • GB611486A - Improvements in or relating to apparatus for measuring temperatures in steam generator or like gas passages : en
  • USD151483S - Design fob a toothbrush handle : en
  • GB611349A - Improvements in valve bags : en
  • GB611433A - Improvements in or relating to electric discharge devices : en
  • GB611314A - Shear presses : en
  • GB611238A - Improvements in and relating to compound dielectric materials : en
  • GB611070A - Improvement in electric control system : en
  • GB611434A - Improvements in grease guns : en
  • FR938895A - X-ray tube enhancements : en fr
  • FR938924A - Automatic braking twine distributor : en fr
  • US2452363A - Novelty optical device : en
  • US2452490A - Continuously variable inductance : en
  • USD151509S - Expansible link chain foe a bracelet or similar article : en
  • FR938860A - Large aperture lens : en fr
  • FR938818A - Improvements to striking devices for impact hammers, performers and similar applications : en fr
  • US2452119A - Window frame and sash : en
  • US2452420A - Phenol-aldehyde molding compositions : en
  • GB611081A - Improvements in or relating to the production of alkali cellulose : en
  • GB611493A - Improvements in or relating to latch pin gear : en
  • USD151519S - Design for a shoe sole : en
  • USD151560S - Design fob a belt : en
  • CH257755A - Water toys. : de en
  • CH257761A - Arrangement for no night-effect bearing. : de en
  • US2452277A - Tube coupling : en
  • US2452100A - Head for golf clubs : en
  • GB611036A - A core recovering device for use in diamond and rotary drilling : en
  • CA452127A - Measuring and control system : en fr
  • US2452298A - Starter : en
  • FR938957A - Negative capacitance devices : en fr
  • GB611184A - Improvements in or relating to gramophone pick-ups and the like : en
  • CA452173A - Agricultural implement : en fr
  • AU141322B2 - Appliance for measuring external dimensions of work-pieces : en
  • AU145105B2 - Improvements in or relating to receiving equipment for pulse modulation communication systems and toa pulse delay device therefor : en
  • US2452165A - Heteropolymer of isopropenyl acetate and maleic anhydride : en
  • US2452283A - Valve catcher : en
  • CH257700A - Clothes clip. : en fr
  • DK67827C - Procedure for making books without wire stapling. : da en
  • CH257909A - Suspension device with hooks that hang in and out automatically. : de en
  • US2452117A - Sliding antifriction bearing : en
  • US2452274A - Fan having auxiliary cutoff : en
  • US2452266A - Rolling mill roll : en
  • USD151572S - Design fob a tie back ob similar article : en
  • CH257681A - Chair. : en fr
  • CH257766A - Liquid meter. : de en
  • US2452099A - Means for producing reduplicative master sheets in typewriting and like machines : en
  • US2452212A - Vineyard plow : en
  • GB611178A - Improvements in or relating to wrapping machines : en
  • GB611459A - Improvements in and relating to cutter-heads for sound recording : en
  • CA452154A - Electron discharge device : en fr
  • CH257720A - Process for the preparation of an azo dye. : de en
  • CA452137A - Radio and like receiver : en fr
  • GB611105A - An improved electronic energy conversion and control system : en
  • GB611473A - Method and means for assembling articulated sheets of plaques or buttons : en
  • CA452149A - Machine for making sun screens : en fr
  • CH257894A - Method and device for transmitting messages with modulated pulses. : de en
  • FR938821A - Improvements to profiling machines : en fr
  • FR938961A - Improvements to signalers for telephone switchboards : en fr
  • BE485292A - : en
  • CH257870A - A method of manufacturing an electrical device with asymmetric conductivity, and a device obtained by this method. : en fr
  • US2452388A - Electromagnetic system : en
  • US2452333A - Telegraphic code transmitter : en
  • GB611325A - Improvements in or relating to cartons or containers : en
  • CH257703A - Zipper and process for its manufacture. : de en
  • AU2331248A - An improved antiglare or dimming device for lamps such asthe headlamps of motor andother vehicles : en
  • CA452108A - Spectacles : en fr
  • US2452178A - Power transmission system : en
  • CH257661A - Process for the production of a heat accumulator and heat accumulator produced according to this process. : de en
  • BE485264A - : en
  • US2452258A - Hand truck : en
  • US2452466A - Sealing tip for well casings : en
  • AU2272848A - Improvements in or relating to hydraulic systems : en
  • CH257648A - Process for the preparation of an amide of an α, B-unsaturated carboxylic acid. : de en
  • CH257654A - Sashes for windows or doors. : de en
  • CH257834A - Axial combustion turbine system. : de en
  • US2452447A - Arresting gear : en
  • USD151484S - Design for an awning ob the like : en
  • US2452367A - Drain trap cleaning device : en
  • US2452395A - Cutoff switch for screw feeders : en
  • US2452158A - Shoe form : en
  • AU2329548A - Improvements in or relating to loudspeaker units : en
  • US2452493A - Silicone resins for weld coatings : en
  • AU143596B2 - Improvements in or relating to substituted pteridine compounds : en
  • US2452063A - Detonator disk : en
  • CA452177A - Trench-excavating machine : en fr
  • US2452221A - Fluid blast arc extinguishing circuit breaker : en
  • USD151553S - Brooch or similar article : en
  • CH257704A - Zipper. : de en
  • GB611079A - Improvements in and relating to grips for securing bars in slings : en
  • GB611258A - Improvements in or relating to rotary compressors or engines : en
  • US2452092A - Rubberlike product and process of preparation : en
  • US2452499A - Amplifying circuit arrangement : en
  • FR938988A - High power vacuum tube enhancements : en fr
  • CA452182A - Simulated flight control loading and centering means for grounded aviation trainers : en fr
  • GB611159A - Improvements in or relating to the mounting of fan units in ventilating shafts : en
  • US2452035A - Door operating mechanism for powder hoists : en
  • US2452450A - Therapeutic device : en
  • GB611487A - Improvements in or relating to kitchen cabinets and drawer fittings : en
  • CA452157A - Radio receiver : en fr
  • US2452289A - Bridge ramp : en
  • US2452518A - Nonactinic fluorescent lamp : en
  • USD151493S - Design for a brooch or similar article : en
  • US2452332A - Nail holding tool : en
  • GB611039A - Improvements in systems for the control of polyphase motors from a single-phase supply : en
  • CA452143A - Moulded glass article : en fr
  • AU1510547A - An improved rotatable tabletop or display stand : en
  • US2452040A - Solvent extraction of mercaptans : en
  • CH257739A - Book. : de en
  • CH257821A - Two-piece bride. : de en
  • FR938790A - Color television : en fr
  • CA452144A - Electric warp stop motion for loom : en fr
  • GB611250A - Improvements in and relating to electrical resistors : en
  • US2452130A - Method of spinning high tenacity viscose rayon : en
  • CH257645A - Device for tying up animals in a stable. : en fr
  • GB611168A - Nipple for the connection of hoseless pump with bicycle tyre valve : en
  • US2452107A - Venetian blind cleaner : en
  • US2452381A - Low direct current voltage regulating circuit : en
  • US2452132A - Diode modulator : en
  • AU136454B2 - Improved f orme unit for use in casting, concrete walls and the like : en
  • GB611024A - Improvements in or relating to binders for use in the manufacture of bats, boards, sheets or the like of fibrous glass : en
  • GB611045A - Improvements in and relating to gyro rotor assembly : en
  • GB611480A - Improvements in or relating to building construction : en
  • GB611109A - Improvements in or relating to the manufacture of interpolymers of styrene with drying oil fatty acids and derivatives thereof : en
  • CH257955A - Stretch bracelet made of metallic elements. : en fr
  • GB611271A - Centrifugal governor principally for machines for repairing stockings or like hosiery articles : en
  • CH257793A - Press brake with automatic sheet feed. : de en
  • GB611385A - The coating of sheet materials : en
  • US2452233A - Permanent fault isolator time-delay switch : en
  • US2452437A - Fastening device : en
  • CH257949A - Process for the production of a vat dye. : de en
  • USD151491S - Brooch or similar article : en
  • AU2269648A - An improved process forthe production of uncut pile fabrics incorporating the use of shrinkable and unshrinkable yarns : en
  • US2452227A - Flanged joint : en
  • GB611267A - Improvements in and relating to rotary vane pumps or motors : en
  • GB611173A - Improvements in manufacture of footwear : en
  • US2452237A - Watering trough : en
  • US2452308A - Process of plating palladium and plating bath therefor : en
  • USD151525S - Combined fireplace screen and fender : en
  • GB611455A - Improvements relating to continuous electrodes for electric furnaces : en
  • CA452125A - Electrosurgical resecting instrument : en fr
  • GB611286A - Improvements in or relating to electric accumulators : en
  • AU2263648A - Improvements in fabric guiding device : en
  • CA452128A - Shipping container : en fr
  • CH257812A - Lighter. : en fr
  • FR938923A - Bra device : en fr
  • GB611440A - Method and apparatus for producing low reflection coatings on optical elements : en
  • US2452295A - Faucet : en
  • US2452390A - Preparation of hydrolyzable titanium solutions : en
  • US2452116A - Holding device : en
  • FR938967A - Improvements made to power plants with internal combustion turbines : en fr
  • GB611437A - Improvements relating to liquid fuel injection pumps for internal combustion engines : en
  • US2452321A - Rust preventive composition : en
  • GB611262A - Pockets for garments : en
  • FR938997A - Cooling systems for electron tubes : en fr
  • GB611208A - Improvements in or relating to the preparation of guanidine salts : en
  • GB611420A - Improvements in or relating to positioning mechanism for single type casting and composing machines : en
  • CH257808A - Quickly adjustable key for tubes, rods, etc. : de en
  • CA452139A - Cover operating mechanism : en fr
  • CA452151A - Distortion reduction on modulated amplifier : en fr
  • AU137428B2 - Improvements in and relating to single shot pneumatic riveters : en
  • CH257858A - Melting strips for slow-moving melt cartridges and methods of making the same. : de en
  • CH257933A - Field weakening device for direct current railway motors. : de en
  • US2452284A - Injection of brake linings : en
  • AU140927B2 - Micrometer gauge : en
  • CH257897A - Television projector. : de en
  • CH257944A - Process for the production of a vat dye. : de en
  • US2452255A - Spool adapter for rope layers or stranding machines : en
  • US2452454A - Device for facilitating stoker installations : en
  • USD151535S - Design fob a necklace or similar article : en
  • CH257669A - Fish tape on windows, doors and other devices with a pivoting sash. : de en
  • CH257685A - Display and sales furniture. : de en
  • CH257760A - Reception method for frequency-modulated radiation that uses directional means for locating purposes on the transmitting or receiving side. : de en
  • CH257854A - Mechanism for operating a switch. : de en
  • CA452198A - Recovering pure beta-picoline : en fr
  • AU2303448A - Improvements in or relating to knitting machines ofthe independent needle type furnished with two needle beds : en
  • AU2329348A - Overvoltage protector : en
  • CH257729A - Process for the preparation of a new high polymer linear ester. : de en
  • CH257751A - Drawing table with adjustable drawing board. : de en
  • FR938859A - Improvements to electric discharge tubes : en fr
  • GB611398A - Lifting rotors with variable pitch blades and aircraft provided with rotors : en
  • AU2272048A - Improvements in and relating to cupboards, cabinets or wardrobes forthe storing of wearing apparel andother goods : en
  • CH257794A - Method for controlling the components of an automatic lathe, and automatic lathe for implementing the method. : en fr
  • CA452141A - Railway brake beam : en fr
  • PL33522B1 - A method of simultaneous production and shaping of polymers : en pl
  • US2452375A - Cabinet having automatically shiftable mirror : en
  • AU145133B2 - Improvements in or relating to devices comprising an electric welding time-dosing apparatus : en
  • AU1592847A - Improvements inthe manufacture of amino-formaldehyde condensation products suitable for banding, stiffening, laminating, impregnating andthe like and articles treated therewith : en
  • GB611062A - Improvements in and relating to potato diggers : en
  • GB611069A - Improved means for protecting wooden members of structures from moisture : en
  • FR938777A - Knitting process and resulting knitted articles : en fr
  • GB611362A - Improved operating means for brakes : en
  • AU2263748A - Automobile triangle jack : en
  • AU142545B2 - Dropping vehicles, guns, containers andthe like from aircraft : en
  • FR938805A - Process for the amination of amine-saccharide resins : en fr
  • GB611092A - Improvements in and relating to crystal filters for electrical oscillations : en
  • GB611270A - Improvements in or relating to fasteners : en
  • GB611296A - Improvements in material cooler : en
  • AU1590247A - Improved f orme unit for use in casting, concrete walls and the like : en
  • CH257733A - Process for preparing compound fertilizers and fertilizers obtained by this process. : en fr
  • US2452199A - Welding electrode holder : en
  • US2452323A - Spinning ring : en
  • AU2265948A - Improvements in or relating to apparatus for evaporating concentrating and distilling solutions : en
  • GB611337A - An improved clip for securing electric cables, wiring fittings and the like to metalgirders : en
  • CA452190A - Fuel feed control : en fr
  • GB611313A - Improvements in atomising nozzles : en
  • DK67851C - Dispensing plug with measuring chamber. : da en
  • GB611114A - Improvements in or relating to lock nuts : en
  • US2452279A - Holder for fishing poles : en
  • US2452394A - Inlet fitting for tanks : en
  • FR938828A - Treatment of liquids and suspensions, in particular sewage : en fr
  • GB611022A - Improvements in or relating to lawn mowers : en
  • FR938916A - Improvements to semi-automatic telephone systems : en fr
  • GB611129A - Improvements in or relating to muzzles for dogs and other domestic animals : en
  • GB611185A - Improvements relating to jacketed containers : en
  • GB611245A - Cast refractory products : en
  • GB611460A - Improvements in or relating to earth electrodes : en
  • US2452241A - Measuring implement : en
  • GB611055A - Improvements in photographic printing apparatus : en
  • US2452137A - Fluorescent lighting fixture : en
  • FR938964A - Improvements relating to a polarizer and its manufacturing process : en fr
  • GB611476A - Improvements in and relating to the production of secondary diamines : en
  • USD151573S - Design for a fur coat : en
  • FR938892A - Continuous Fabric Piece Processing Machine : en fr
  • GB611072A - Improvements in or relating to a process for the manufacture of 2:5-dimethylfuran and acetonylacetone : en
  • US2452456A - Hair curler : en
  • GB611174A - Improvements in manufacture of open-end shoes : en
  • GB611232A - Improvements in or relating to adjustable supporting attachments for scaffolding and shoring devices : en
  • GB611032A - Improvements in directional beam electric lamps : en
  • GB611160A - Improvements in yarn twisting apparatus : en
  • FR938932A - Process for drying pasta : en fr
  • GB611388A - Improvements in or relating to electric circuit interrupters : en
  • US2452232A - Compressor : en
  • US2452350A - Method of preparing alkyl esters of chloroacetic acid : en
  • US2452465A - Centrifugal separator : en
  • US2452524A - Protective grid for geiger-mueller tubes : en
  • CA452174A - Television receiver : en fr
  • GB611280A - Improvements in door latches : en
  • FR938902A - Magnetron training : en fr
  • FR938798A - Bogie for railway vehicle : en fr
  • US2452503A - Piston ring : en
  • CH257945A - Process for the production of a vat dye. : de en
  • FR938953A - Improvements to vehicle checkouts : en fr
  • GB611302A - Sheets and sheet-like bodies produced from paper, card-board, asbestos cement, and the like : en
  • CH257838A - Speed regulator, in particular for an electric motor of a linking machine. : en fr
  • US2452121A - Conversion of synthetic hydrocarbons containing oxygenated compounds to hydrocarbons of high octane value : en
  • US2452181A - Sanitary napkin holding means : en
  • CH257850A - Connection device for electrical lines. : de en
  • CH257930A - Electrical point machine with remote-controlled point relay set and with battery changer relay. : de en
  • CH257783A - Watch. : en fr
  • CH257844A - Process for increasing the hardness and density of porous carbon bodies and carbon bodies obtained by this process. : de en
  • US2452196A - Method of stabilizing roadbeds : en
  • CH257753A - Method and device for the production of the pin roller of musical mechanisms. : de en
  • CH257902A - Locking device on suitcases. : de en
  • CH257653A - Collapsible construction designed as a scissor spreader. : de en
  • GB611123A - Improvements in tyre repairing apparatus : en
  • US2452190A - Polymerization of olefins : en
  • US2452252A - Child's seat attachment for barbers chairs : en
  • GB611037A - Improvements in or relating to automatic control systems : en
  • GB611410A - Improvements in and relating to soap powder packages : en
  • GB611501A - Improvements in or relating to sulfurized oils : en
  • US2452050A - Combined machine for feeding, bending, and flattening tubing : en
  • US2452247A - Piston rod connecting device : en
  • US2452055A - Amylaceous fire-retardant composition : en
  • US2452198A - Polymerization of olefins : en
  • USD151507S - Design fob a bottle : en
  • CH257849A - Device with a device releasably connecting the ends of two metal ropes and with grooved rope pulleys. : de en
  • FR938850A - Optical glass and its manufacturing process : en fr
  • AU144482B2 - Improvements in or relating tothe separation of solid materials of different specific gravities : en
  • CA452106A - Reinforced concrete working platform for use on water : en fr
  • CA452118A - Food processing apparatus : en fr
  • US2452219A - Device for the joining of tubes : en
  • US2452101A - Drip pan hinge for refrigerator cars : en
  • US2452329A - Stoker controlled heating system : en
  • CH257737A - Method and device for water softening. : de en
  • AU2388845A - Improved power operated lifting and lowering mechanism for agricultural machinery : en
  • CH257769A - Electrical control device. : en fr
  • CH257877A - Foot sweat protection. : de en
  • US2452416A - Process of making dimethyl silicone products : en
  • US2452434A - Apparatus for making elastic coil structures with longitudinal ends : en
  • CH257643A - Elastic element. : en fr
  • CH257680A - Mattress. : de en
  • CH257651A - Anchoring device for a bolt. : en fr
  • BE485108A - : fr
  • CH257658A - Fireplace. : de en
  • CH257900A - Polarized four-pole magnet system for AC operation. : de en
  • GB611279A - Improvements in liquid level pressure gauges : en
  • CA452107A - Combination cigarette case and lighter : en fr
  • GB611462A - Improvements in and relating to servo unit test stands : en
  • US2452406A - Two-part, screw-connected clamp : en
  • CH257664A - Block press for the manufacture of building blocks. : en it
  • US2452299A - Tape dispenser : en
  • CA452158A - Telephone key : en fr
  • CH257861A - Grinding variometer with high setting accuracy for ultra-short waves. : de en
  • CH257690A - Circular and electrically operated loom. : en fr
  • GB611293A - Improvements relating to foot supporting surfaces and footwear incorporating them : en
  • IS179B6 - Method for storing substances from the animal and plant kingdoms. : en is
  • US2452338A - Logging cart : en
  • CH257923A - Floor brakes on vehicles, in particular motor vehicles. : de en
  • CA452121A - Suction cleaner : en fr
  • CH257852A - Device for the rotatable connection of electrical lines. : de en
  • CH257748A - Clip for attaching a writing tool to an item of clothing. : de en
  • CH257801A - Process for bleaching wood. : de en
  • CH257819A - Fluid coupling, primarily to drive gearwheels. : de en
  • CH257822A - Pipe connection. : de en
  • FR938754A - Aircraft autopilot device : en fr
  • GB611442A - Improvements relating to the manufacture of cement : en
  • US2452432A - Method of making elastic coil structures with uncoiled ends : en
  • CH257814A - Rolling bearing. : en fr
  • AU145825B2 - Process forthe stabilization of products obtained by reacting high-molecular polyunsaturated compounds and inorganic acids or acid anhydrides : en
  • US2452339A - Apparatus for printing and drying of textile fabrics : en
  • US2452268A - Motor hand tool assembly : en
  • CH257915A - Hydraulic brake for motor vehicles. : en it
  • CH257715A - Process for preparing acrylonitrile. : en fr
  • US2452328A - Food cutting utensil : en
  • CH257813A - Lock nut. : en fr
  • US2452201A - Sterilizing liquids : en
  • FR938765A - Improvements to stop rings : en fr
  • GB611085A - Improvements in bobbin carriers for braiding machines : en
  • AU2183645A - Improvements relating to combination lock : en
  • AU2312248A - Improvements in or relating tothe separation of solid materials of different specific gravities : en
  • FR938772A - Polysiloxane resins : en fr
  • FR938794A - Tunable ultra high frequency device : en fr
  • GB611248A - Improvements in and relating to directive antenna systems : en
  • CA452132A - Engine starter : en fr
  • GB611289A - Improvements in plansifters : en
  • AU137551B2 - Improvements relating to tractor borne disc ploughs andthe like : en
  • CH257939A - Process for the production of a vat dye. : de en
  • AU2263848A - Cable control mechanism : en
  • USD151508S - Design fob a sewing back : en
  • US2452347A - Vulcanization : en
  • USD151550S - Design fob a bracelet ok similar article : en
  • BE482220A - : en nl
  • CA452099A - Hydraulic brake : en fr
  • CA452208A - Dust collecting composition : en fr
  • CH257866A - Electric discharge tube. : de en
  • AU143597B2 - Improvements in or relating to loudspeaker units : en
  • FR938942A - Improvements in processes and apparatus for shooting and projecting cinematographic images with continuous film unwinding : en fr
  • GB611176A - Arrangement for pre-heating air for steam boilers : en
  • GB611042A - Resilient rail spikes : en
  • GB611200A - Apparatus for emptying, washing-out and re-filling the boilers of steam cranes and other steam operated appliances : en
  • CH257662A - Expansion vessel for central heating systems. : de en
  • CH257688A - Method and device for the production of evenly dyed rayon using spinning pots. : de en
  • USD151536S - Necklace or similar article : en
  • US2452407A - Filter : en
  • US2452443A - Sequential turret tuner : en
  • CH257671A - Device for cutting glass tiles. : en fr
  • AU141407B2 - Improvements inthe mountings and actuating mechanisms of doors : en
  • US2452147A - Training mechanism for firearms : en
  • CH257672A - Ignition device on gas burners. : de en
  • DK67837C - Container for powder or other finely divided material. : da en
  • CA452183A - Silver-thallium bearing : en fr
  • CH257956A - Device for regulating the delivery rate of reciprocating compressors. : de en
  • CH257911A - Method for picking up and setting down loads on single-axle wagons, especially trailer wagons, without additional auxiliary equipment : de en
  • CH257810A - Centrifugal wringer. : en fr
  • CA452184A - Bearing : en fr
  • US2452155A - Working the die hole contour of a wire drawing die : en
  • AU2272948A - Improvements in wheel and disc brake assemblies : en
  • US2452305A - Drinking fountain : en
  • CA452199A - Multiple wire electric fence : en fr
  • AU147062B2 - Improvements in transformer units : en
  • US2452039A - Apparatus for simulating wind effects in aviation ground trainers : en
  • CH257798A - Process for making magnetic objects. : de en
  • CA452140A - Self-priming centrifugal pump : en fr
  • FR938877A - Frequency changer : en fr
  • GB611027A - Improvements in electromagnetic apparatus of the flux-gate type : en
  • US2452045A - X-ray apparatus and method for crystal analysis : en
  • USD151532S - Earring or similar article : en
  • BE485152A - ester preparation process : en fr
  • CH257926A - Fastening device for wheels of bicycles and other similar vehicles. : en fr
  • GB611082A - Improvements in or relating to the manufacture of waterproof fuse cords : en
  • GB611263A - Improvements in or relating to tables or work benches and the like : en
  • FR938995A - Process for manufacturing selenium elements, such as those used in electric rectifiers or photoelectric cells : en fr
  • US2452474A - Serving tool : en
  • US2452286A - Spring band : en
  • US2452157A - Electron discharge apparatus : en
  • CH257883A - Device for improving the bioclimatic properties of the air in rooms. : de en
  • FR938882A - Electric regulator : en fr
  • FR938907A - Improvements in methods for producing electrophoresis deposits : en fr
  • GB611458A - Improvements in or relating to machines for use in cultivating land and for other agricultural purposes : en
  • GB611345A - Improved fluid tight joints or mechanical seals for revolving shafts : en
  • GB611215A - Manufacture of new amide-like derivatives : en
  • GB611056A - Electro-dynamic devices for interconverting electrical oscillations and sound waves : en
  • CH257684A - Seating that can be converted into one or two beds. : de en
  • US2452085A - Means for the interchange of electrical and acoustical energy : en
  • US2452309A - Portable fire extinguisher : en
  • CH257845A - Carbon brush. : de en
  • CH257675A - Device for cleaning carpets. : en fr
  • FR938837A - Improvements to discharge lamp ignition systems : en fr
  • FR938848A - Improvements in force transmission devices : en fr
  • GB611180A - Improvements in or relating to containers : en
  • FR938900A - Consumption reducer : en fr
  • CH257953A - Electric device for controlling a reed musical instrument with one or more manuals. : en it
  • CH257928A - Coupling device on railroad cars. : de en
  • CH257957A - Incandescent lamp holder equipped with contact protection. : de en
  • GB611287A - Improvements in chain hoist : en
  • CH257943A - Process for the production of a vat dye. : de en
  • DK67826C - Light for vehicles. : da en
  • FR938896A - Improvement in pneumatic fittings : en fr
  • US2452526A - Apparatus for compressing highly reactive gases : en
  • GB611202A - Improvements in or relating to spraying machines for use in orchards and the like : en
  • GB611277A - Improvements connected with saucepans and like cooking utensils : en
  • GB611454A - Improvements in or relating to machine tools : en
  • USD151565S - Design for a dress : en
  • FR938767A - Method and apparatus for proportioning and regulating the supply of fluids : en fr
  • GB611161A - Improvements in differential steering-gear for the control of tractor caterpillars : en
  • US2452195A - Crate for water bottles or acid carboys : en
  • GB611066A - Improvements in or relating to sealing rings for pipe couplings : en
  • GB611157A - Process for the production of styrene co-polymers : en
  • GB611306A - Improvements in or relating to refrigerating or cold storage cabinets : en
  • GB611127A - Improvements in building blocks : en
  • CH257826A - Lubrication pump. : de en
  • GB611274A - Improvements in or relating to the rendering of oleaginous material : en
  • CA452103A - Rotary hoeing, cultivating and like agricultural machine : en fr
  • GB611390A - Improvements in or relating to thermionic valve amplifiers with negative feedback : en
  • CH257815A - Device comprising a rotor supported by at least one rolling bearing and rotating at high speed. : en fr
  • US2452172A - Method for catalytic cracking of hydrocarbon oils : en
  • US2452528A - Truck reflector : en
  • PL33524B1 - Ring-shaped device for scraping finished tablets with single or combined tablet presses : en pl
  • US2452164A - Refrigerant container construction for railway refrigerator cars : en
  • US2452097A - Household incinerator : en
  • US2452269A - Explosive projectile : en
  • CH257919A - Gearboxes with several speed levels on vehicles. : de en
  • CH257839A - Control device for prime movers that are controlled by at least one controller with the aid of at least one servomotor. : de en
  • US2452532A - High dielectric material : en
  • USD151520S - Design fob a perfume bottle : en
  • US2452102A - Refrigerating system defrosted by hot liquid refrigerants : en
  • GB611268A - Improvements connected with ironing table tops, sleeve boards or the like : en
  • GB611412A - Improvements in or relating to thermal delay switches : en
  • FR938920A - Spray dryer device : en fr
  • FR938951A - Ignition advance measuring device for internal combustion engines : en fr
  • US2452091A - Incendiary material : en
  • FR938862A - Goal : en fr
  • GB611203A - Improvements in calling and noise suppression circuits for radio receivers : en
  • GB611369A - Improvements in or relating to spades, shovels and the like : en
  • US2452525A - Shear : en
  • US2452369A - Self-bleeding hydraulic cylinder : en
  • FR938826A - A process for the manufacture of heat insulating material, specially fireproof and preventing the spread of fire, and moldings, plates, bands, tapes, etc., obtained therefrom : en fr
  • GB611348A - Improvements in or relating to the escapement mechanism of typographical composing machines : en
  • CA452148A - Hydraulic tappet : en fr
  • GB611110A - Apparatus for automatically refilling the reservoirs of fountain pens : en
  • CA452138A - Radio and like receiver : en fr
  • US2452096A - Combined billfold and card retainer : en
  • US2452492A - Churn : en
  • CH257924A - Hub for rear wheel of cycles. : en fr
  • AU139327B2 - Self-locking reduction gear : en
  • AU139338B2 - Cable control mechanism : en
  • US2452223A - Stopping mechanism for textile apparatus : en
  • FR938804A - Wide band operating frequency antennas : en fr
  • FR938915A - Improvements to machine tools such as sawing machines : en fr
  • FR938921A - Valve strainer for milk bucket : en fr
  • DK67847C - Grinding plant. : da en
  • US2452029A - Addition products from acrylic esters : en
  • FR938939A - Method and device for cutting, using an existing mechanical band saw, all circles or parts of a circle in pieces of wood, without prior tracing with a compass : en fr
  • GB611329A - Improvements in or relating to acoustic instruments such as loud speakers and directional microphones : en
  • FR938973A - High frequency oscillator circuit : en fr
  • GB611090A - Improvements in and relating to apparatus for washing and cleaning crockery, cooking utensils and the like : en
  • GB611502A - Improvements in or relating to cloches : en
  • CH257918A - Ski carrier adapted to a motor vehicle. : en fr
  • US2452144A - Electrical swing joint : en
  • US2452296A - Pressure indicator : en
  • FR938756A - Starting devices for combustion engines : en fr
  • US2452317A - Electron discharge device employing cavity resonators : en
  • GB611165A - Improvements in the manufacture of natural and synthetic rubber sponge : en
  • GB611243A - Improvements in and relating to the operation of fuel injection valves for internal combustion engines : en
  • FR938971A - Straighteners and manufacturing processes : en fr
  • GB611416A - Improvements in or relating to rotary air pumps : en
  • US2452179A - Chemical conversion of salt containing solutions : en
  • CA452097A - Propeller blade : en fr
  • CA452153A - Oscillator : en fr
  • USD151577S - Design for a luminaire : en
  • GB611212A - Light alloy : en
  • US2452267A - Elevatable bed trailer : en
  • US2452031A - Torsional oscillation generator : en
  • GB611409A - Improvements in or relating to wool cleaning machines : en
  • GB611125A - Improvements in or relating to saw-sets : en
  • US2452084A - Drop-testing device : en
  • CH257717A - Process for the preparation of formylamino derivatives. : de en
  • GB611023A - Improvements in the stabilization of a body on a craft : en
  • GB611319A - Improvements in or relating to vehicle stabilising and suspension systems : en
  • US2452431A - Production of vulcanizable elastic coil cables having reversingly coiled portions : en
  • GB611451A - Resilient mounting : en
  • US2452236A - Flowerpot holder : en
  • US2452523A - Luminescent screen : en
  • US2452436A - Receiver muting circuit : en
  • AU1598647A - Improvements in and relating to single shot pneumatic riveters : en
  • GB611075A - Improvements in or relating to cross shaft mountings for motor vehicles : en
  • FR938950A - Improvement in country kitchens : en fr
  • GB611098A - The manufacture of bile acid derivatives : en
  • AU139632B2 - Grinding and polishing machine ofthe rotary tool type : en
  • CH257876A - Device intended for the absorption of therapeutically active substances. : de en
  • US2452276A - Tube fitting device : en
  • DK67830C - Switch valve at compressor refrigeration system. : da en
  • AU2269948A - Automatic toaster : en
  • US2452175A - Line securing device : en
  • FR938757A - Launchers for starting combustion engines : en fr
  • GB611143A - Improvements in the construction of piles : en
  • US2452365A - Control system : en
  • CA452114A - Frictional holding means : en fr
  • GB611281A - Electric limit switches : en
  • FR938901A - Method of stereoscopic viewing of an image for an observer with limited movements : en fr
  • CH257731A - Plastic material. : de en
  • CH257846A - Electric machine. : de en
  • GB611007A - Improvements relating to the control of aircraft, ships and other dirigible craft : en
  • GB611244A - Manufacture and use of resinous condensation products : en
  • FR938789A - Camera : en fr
  • GB611149A - Improvements in or relating to means for preventing the climbing of walls or fences : en
  • GB611466A - Improvements relating to powder metallurgical processes : en
  • AU144919B2 - An improved antiglare or dimming device for lamps such asthe headlamps of motor andother vehicles : en
  • FR938947A - Color photography process : en fr