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  • AU130930B2 - u Improvements inthe construction of concrete chimneys : en
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  • GB588878A - Improvements in and relating to garden cold or forcing frames : en
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  • CA441919A - Metal member fastening method : en fr
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  • USD146884S - Design for an automotive vehicle : en
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  • US2421641A - Relay : en
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  • US2421538A - Thermostatic switch : en
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  • US2421721A - Molded fiber-cement composition product : en
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  • US2421647A - End brush : en
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  • AU1199747A - Improvements in and relating to propelling mechanism : en
  • AU124305B2 - Improvements in audio frequency amplifiers : en
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  • AU1684144A - Improvements in or relating to power applying apparatus and power units, and control and regulating valves employed in such apparatus : en
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  • FR922248A - Repeated operation contactor : en fr
  • GB588921A - Safety device for gas-heated apparatus : en
  • AU124353B2 - Interchangeable matrix tread vulcanizing mold : en
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  • US2421630A - Protection of alternating current electric power systems : en
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  • AU1198847A - Improvements in or relating to phonograph transcribers : en
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  • CA441831A - Brake-control device : en fr
  • CA441818A - Stainless steel production : en fr
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  • US2421519A - Starter switch : en
  • USD146891S - Design for a piano : en
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  • US2421380A - Method of treating sugar : en
  • US2421476A - Photoelectric control apparatus for diaphragms : en
  • US2421620A - Fuselage skeleton for rotative wing aircraft : en
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  • AU1198747A - Improvements in or relating to phonograph pickups : en
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  • USRE22887E - Process for removing oxide from : en
  • US2421587A - Weft detector with removable finger : en
  • CA441912A - Plastic element laminating process : en fr
  • US2421481A - Sequence controller : en
  • US2421502A - Concrete spring tie : en
  • AU1752944A - Improvements in and relating to glass moulding machines : en
  • CA441855A - Worm gear reduction unit : en fr
  • US2421403A - Toy pistol : en
  • CA441789A - Humidifying apparatus : en fr
  • CA441901A - Electric contact : en fr
  • AU1201647A - Electron discharge tube circuit : en
  • AU124322B2 - Improvements in or relating to refrigeration apparatus for dispensing mixed beverages : en
  • FI22200A - Procedure for improving the flavor of harvested tobacco : en fi
  • GB588866A - Improvements in and relating to suspension systems for automotive vehicles : en
  • US2421458A - Clip lock inclined baby bottle holder : en
  • CA441876A - Collapsible inflating device : en fr
  • GB588871A - Improvements relating to buttons for use on wearing apparel : en
  • FR922203A - Method and device for supplying fuel to internal combustion or other engines : en fr
  • FR922235A - Improvements to vehicle luggage racks : en fr
  • FR922238A - Flexible cable with concentric conductors : en fr
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  • US2421595A - Combined door check and closer : en
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  • FR922322A - Improvements to stain removers : en fr
  • GB588951A - Improvements relating to the cylinders of two stroke cycle internal combustion engines : en
  • US2421586A - Piezoelectric device : en
  • US2421678A - Safety container for merchandise : en
  • US2421429A - Stapling machine : en
  • FI22145A - Threading machine : en fi
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  • US2421400A - Door sealing arrangement : en
  • US2421413A - Resolution of mtxtures of- jjeterjq- : en
  • US2421404A - Loose-leaf binder : en
  • US2421463A - Gear element : en
  • US2421722A - Specimen holder assembly : en
  • FI22177A - Tape measure with housing : en fi
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  • US2421611A - Preparation of 2-keto gulonic acid and its salts : en
  • USD146851S - Design fob an earring or similar article : en
  • GB588833A - Preparation of linear polyesters : en
  • GB588824A - Improved process for the production of copolymers : en
  • GB588807A - Improvements in saw benches : en
  • GB588902A - Improvements in or relating to a method of and means for coupling together pipes, tubular bodies and the like : en
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  • US2421626A - Torque measurement : en
  • US2421474A - Pneumatic nailing hammer : en
  • GB588710A - Improvements in or relating to means for feeding combustion apparatus : en
  • FI22190A - Reen pallet tipper : en fi
  • FR922365A - Treatment of sulfur with a view to its application as an anticryptogamic product : en fr
  • GB588898A - Improvements in draught-excluding means for doors, windows and the like : en
  • FR922231A - Improvements made to the guardplace ticket issuance system for rail cars : en fr
  • FI22151A - Fertilizers for the manufacture of cellulosic material Medels alkali lut under tryck for the production of oil and oil material : en fi
  • GB588736A - Improvements relating to self-opening gates and the like : en
  • GB588741A - Improvements in or relating to boxes : en
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  • US2421384A - Ornamental cover for vehicle wheels : en
  • USD146874S - Design for a phonograph cabinet : en
  • US2421389A - Spindle mounting : en
  • FR922295A - Improvements to rocker arms for internal combustion engines : en fr
  • GB588918A - Improvements relating to systems for developing propulsive thrust : en
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  • CA441825A - Folding photographic camera : en fr
  • GB588724A - An improved electric switch with over-current release : en
  • GB588804A - Improvements in and relating to windows : en
  • FI22154A - Klichestock : en fi
  • US2421640A - Electric insulating tape : en
  • CA441841A - Variable capacity device : en fr
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  • CA441913A - Frequency modulation wave detector : en fr
  • AU124374B2 - Improvements in or relating to desiccators : en
  • CA441773A - Stirring device : en fr
  • AU1201247A - Improvements in or relating to superheterodyne radio receiving sets : en
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  • AU1833244A - Improvements in or relating to springs for use in bedding and upholstery andthe like : en
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  • AU1110547A - Manufacture of moulds for optical screens and reflecting signs : en
  • AU124302B2 - Improvements in and connected withthe manufacture of plastic moulding materials containing lignin : en
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  • AU1119347A - Apparatus for trimming grain : en
  • US2421642A - Electromagnet relay construction : en
  • AU1205847A - Communication system : en
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  • AU137277B2 - Electron discharge tube circuit : en
  • CA441804A - Centrifugal pump : en fr
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  • AU137973B2 - Improvements in cathode ray beam storage tubes : en
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  • CA441850A - Arc extinguishing structure : en fr
  • AU1108247A - Improvements in or relating to electron flow devices anda glass-to-metal seal therefor : en
  • AU124297B2 - Improvements in electrical selective network : en
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  • US2421409A - Thermoplastic polyvinyl chloride, chlorinated paraffin wax, plasticizer compositions : en
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  • GB588811A - Improvements relating to the activation of carbonaceous substances : en
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  • FR922214A - Device for driving mechanical movements from a single source of energy : en fr
  • FR922278A - Height adjustment device for mixing tank : en fr
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  • IE17615L - Vehicle wheels : en
  • US2421602A - Expansion repair plate for worn railway ties : en
  • US2421501A - Fluid coupling outlet valve thermostatic control : en
  • US2421396A - Electrically controlled camera : en
  • AU132434B2 - Improvements inthe manufacture of artificial teeth from plastics such as methyl methacrylate : en
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  • CA441833A - Welding apparatus : en fr
  • FR922153A - Improvements to block letters : en fr
  • FR922395A - Improvements in the manufacture of dry straighteners : en fr
  • GR11184B - PROVISION FOR THE LIFTING OF SINKING SHIPS. : el en
  • FR922397A - Mechanism and handling of all kinds of articulated animals : en fr
  • GB588801A - Electric lighting unit : en
  • FR922374A - Fan heater : en fr
  • CA441885A - Comb making method from sheet stock : en fr
  • CA441886A - Refrigeration : en fr
  • FI22189A - Förfaringssätt och anordning för framställning av papper : en fi
  • FR922363A - Advanced Insulated Wall System : en fr
  • GB588860A - Improvements in or relating to vehicles : en
  • FR922302A - Nickel-iron alloy refinements : en fr
  • FI22162A - Electrodes : en fi
  • GB588739A - Improvements in or relating to ring winding apparatus : en
  • GB588892A - Improvements in filtering device : en
  • FI22173A - The mask is made of a conical gate and a treadmill : en fi
  • FI22184A - The mask is added to the spark plug : en fi
  • AU1671044A - Compositions having both fertilising and pesticidal action : en
  • FR922277A - Thermostatic electric relay : en fr
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  • AU124332B2 - Means for assembling and securing together the sections and integers of model or toy building constructions : en
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  • GB588855A - Improvements in or relating to docket cards : en
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  • AU1203147A - An improved self-supporting package : en
  • CA441925A - Electrical control system : en fr
  • CA441810A - Multiple punch press : en fr
  • CA441846A - Linear speed indicator : en fr
  • AU1199547A - Improvements in cathode ray beam storage tubes : en
  • CA441775A - Anode bar jack : en fr
  • GB588922A - Improvements in or relating to containers adapted for the packaging of powdered or fine granular products : en
  • GB588848A - Improvements in and relating to scaffolding clamps : en
  • FR922267A - Improvements to multi-tube forced circulation boilers : en fr
  • US2421557A - Hydro-vapor air conditioner : en
  • CA441812A - Container and closure : en fr
  • CA441782A - Automatic heating system : en fr
  • AU1554144A - Improvements in electrical selective network : en
  • CA441943A - Material handling apparatus : en fr
  • CA441893A - Elastic fabric manufacture : en fr
  • CA441772A - Metal powder production : en fr
  • CA441801A - Adjustable caliper : en fr
  • CA441938A - Electrical cable : en fr
  • GB588932A - Improvements relating to transporter mechanism for photographic film : en
  • US2421734A - Textile spindle : en
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  • AU1965645A - Method of and means for determining boiling points : en
  • AU139245B2 - Conveyor and heater : en
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  • AU1196847A - Improvements in or relating to protection of alternating current electric powersystems : en
  • AU396046A - Process forthe conversion to sulphur and/or sulphur dioxide ofother sulphur compounds : en
  • AU1824044A - Interchangeable matrix tread vulcanizing mold : en
  • AU1118447A - Telephone system having facilities for recording particulars of connections : en
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  • CA441868A - Tablet box : en fr
  • CA441907A - Electrical conductor : en fr
  • CA441786A - Hydraulic shock absorber : en fr
  • US2421537A - Electrical resistance annealing device for wire : en
  • AU1194247A - Frequency discriminators : en
  • AU1894545A - Piezoelectric crystal holder : en
  • AU124381B2 - Laminated film : en
  • CA441871A - Elastic polychloroprene processing : en fr
  • CA441787A - Hydraulic shock absorber : en fr
  • FI22203A - Förfaringssätt for förbränning av svårt antändligt bränsle och anordning förfaringssättets utförande : en fi
  • AU1200347A - A combination video gain and contrast control for television receivers : en
  • CA441776A - Non-refillable container : en fr
  • CA441951A - Electron discharge apparatus : en fr
  • US2421582A - Process for refining copper : en
  • US2421673A - Facsimile receiver : en
  • USD146860S - Radio transmitter cabinet : en
  • CA441896A - Insert bar for composite articles : en fr
  • GB588728A - Improvement in concentration of fat soluble vitamins : en
  • US2421375A - Crude oil separator : en
  • AU1189647A - Anew or improved process and apparatus for producing shaped products from thermosetting synthetic resins : en
  • US2421370A - Combustion chamber structure for heat exchangers : en
  • AU124300B2 - Improvements in or relating to canned foods and beverages : en
  • US2421391A - Process for denitrating nitrocellulose articles : en
  • US2421541A - Automatic drill head : en
  • AU133189B2 - Improvements connected with screw thread dies : en
  • US2421442A - Shoe with channeled welt : en
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  • FR922191A - Indentation and expansion joints for slabs, beams, road surfaces, tracks, etc. in armed or unarmed agglomerates : en fr
  • GB588745A - Improvements relating to hydraulic power equipment : en
  • GB588952A - Means for charging storage batteries : en
  • FR922264A - Grid structures for vacuum tubes : en fr
  • FR922164A - Improvements to suspension devices for internal combustion engines or others : en fr
  • GB588814A - Improvements in heat-resistant alloys : en
  • FR922283A - Improvements to the process and apparatus for treating strip metal : en fr
  • FR922353A - Advanced iron foot, suitable for shoemaking work : en fr
  • GB588894A - Improvements relating to solid fuel grates, stoves and the like : en
  • AU124356B2 - Piezoelectric crystal holder : en
  • CA441858A - Boiler circulation control : en fr
  • FR922257A - Sophisticated envelope letter : en fr
  • AU124328B2 - An adjustable brassiere for maternity wear : en
  • AU1113447A - Prevention of fogging of transparent, packages : en
  • GB588806A - Manufacture of ethers : en
  • AU1204947A - Toasted ready to eat food product comprising corn and soya beans and process of preparing same : en
  • GB588744A - An improvement in or relating to machines for extruding cores for use in the art of casting metals : en
  • GB588774A - Improvements in or relating to liquid-cleansing apparatus : en
  • AU422446A - u Improvements inthe construction of concrete chimneys : en
  • GB588775A - Improvements in and relating to tracks for miniature or toy railways, tramways and the like : en
  • GB588893A - Improvements in or relating to variable electrical condensers : en
  • FR922352A - Electrophotography device : en fr
  • GB588747A - Improvements in therapeutic apparatus for applying vibratory treatment : en
  • FI22178A - Anordning vid vätskekompasser : en fi
  • GB588802A - Improvements in drilling and like machine tools : en
  • GB588845A - Taking up back lash in gearing : en
  • CA441949A - Mechanical motion : en fr
  • GB588903A - Improvements in or relating to high-frequency power measuring systems : en
  • US2421560A - Differential voltage control system : en
  • US2421455A - Hand motor : en
  • GB588765A - Improvements relating to the refining of hydrocarbons : en
  • FR922259A - Hydrogenation of resin acids and products containing or derived from them : en fr
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  • GB588859A - Improvements in or relating to electrical means for controlling and indicating the speed of engines, motors and machinery : en
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  • AU134987B2 - Improvements in and relating to biscuit cutting machines andthe like : en
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  • CA441777A - Frequency modulation signalling system : en fr
  • US2421530A - Lubricator for idler bearings : en
  • GB588723A - Improvements relating to golf tees : en
  • FR922378A - Improvements to torque transmitting devices : en fr
  • FR922227A - Improvements to remote hydraulic equipment controls : en fr
  • FR922318A - Punching mechanism : en fr
  • FR922350A - Hot and pressure polymerization process : en fr
  • GR11181B - IMPROVEMENTS IN OR IN RELATION TO FUELS BY INTERNAL FUEL. : el en
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  • US2421728A - Hydraulic brake and like apparatus : en
  • USD146867S - Design for a lamp or similar article : en
  • US2421427A - Face protector for fire fighters : en
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  • FR922379A - Improvements in processes and apparatus for the manufacture of plastic molding powders : en fr
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  • GB588732A - Improvements in or relating to flame arresters for use with compression ignition engines : en
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  • US2421492A - Key holder plate : en
  • US2421559A - Acetals of pyruvic aldehyde : en
  • US2421663A - Control of servo mechanism : en
  • AU1196947A - Improvements in or relating to electronic devices : en
  • AU1118547A - Improved rims for motorcycles, cycles andthe like vehicles anda method for their production : en
  • AU124306B2 - Improvements relating to condenser microphones : en
  • AU1938245A - Improvements in and relating to moving coil loudspeakers and microphones : en
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  • US2421709A - Centrifugal machine : en
  • GB588762A - Improved manufacture of bodies with water repellent surfaces : en
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  • FI22193A - Restrictions on the application of the rules for cross-sectional vessels : en fi
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  • US2421495A - Insulin kit : en
  • FI22149A - Cyclamen cleaner for the separation of particles suspended in an air or gas stream : en fi
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  • CA441916A - Noise limiter circuit : en fr
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  • USD146855S - Design for a coat : en
  • US2421558A - Lawn mower : en
  • US2421606A - Apparatus for producing sharply defined signaling impulses : en
  • GB588954A - Improvements in or relating to gas or vapour detector devices : en
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  • AU1399144A - Improvements in and relating to pencil marking elements and process forthe manufacture thereof : en
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  • US2421604A - Method of applying backstays to shoe uppers : en
  • US2421726A - Pressure fluid servomotor : en
  • FR922167A - Improvements in electrical devices and assemblies for sound reproduction : en fr
  • GB588914A - Improvements relating to dry gas meters : en
  • GB588920A - Improvements in apparatus for launching rocket projectiles : en
  • AU1203547A - Fluid sealing device : en
  • AU1783544A - Polymerisation of methyl methacrylate in the presence of aliphatic thiols : en
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  • CA441769A - Yeast cultivating process : en fr
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  • US2421706A - Basic lead salicylates and process for preparing same : en
  • FI22205A - Apparat för behandling av fast material i sönderdelad form med varma gaser eller ångor : en fi
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  • AU124380B2 - Water resistant film : en
  • AU1122647A - Improvements in or relating tothe manufacture of dry rectifiers : en
  • CA441861A - Can body feed timing mechanism : en fr
  • AU1468144A - Improvement in vehicle seats : en
  • US2421493A - Clutch structure : en
  • CA441917A - Variable permeability tuning device : en fr
  • AU1883545A - Improvements in or relating tothe production of acrylic acid and esters thereof : en
  • CA441927A - Tunable magnetron : en fr
  • FI22198A - Fertilization requirements for the manufacture of glass or fiber asbestos fibers : en fi
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  • AU1884345A - Improvement in voltage regulation : en
  • AU124307B2 - Improvements in or relating to methods of and apparatus for cold processing strip metal and toa coil of processed strip steel : en
  • USD146849S - Design for a radio cabinet or the like : en
  • US2421572A - Apparatus for feeding clay to molds in the manufacture of pottery ware : en
  • CA441932A - Partition assembling machine element : en fr
  • CA441830A - Induction furnace load-control : en fr
  • AU1563844A - An improved means for controlling the operation of supercharged aircraft engines : en
  • CA441915A - Radio communication system : en fr
  • AU1824744A - Improvements in or relating to refrigeration apparatus for dispensing mixed beverages : en
  • AU144507B2 - Improvement in retractable landing gear for airplanes : en
  • US2421619A - Production of motor or aviation fuels : en
  • US2421524A - Purification of metal halide catalyst in catalytic hydrocarbon conversions : en
  • FR922186A - Injector for the fuel supply of internal combustion engines : en fr
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  • FI22166A - Setting and delivery of gas-generating equipment in the field of gas and gas oil products : en fi
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  • AU138762B2 - Improvements relating to pressure roller apparatus : en
  • US2421460A - Compressed gas container : en
  • US2421393A - Equipment for the projection of stereoscopic views and films : en
  • USD146850S - Chazin table caster : en
  • USD146882S - Design for a combined faucet and soap dish : en
  • US2421685A - Alignable pulley : en
  • AU133784B2 - Improvements relating to filtering media comprising discrete particles : en
  • GB588766A - Improved means for automatically sampling coal, grain or like granular materials : en
  • GB588919A - Improvement in metallic vessels for high temperature service : en
  • AU124382B2 - A combined bib tap and bubbler : en
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  • CA441878A - Dish towel : en fr
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  • AU137063B2 - Improvements in refrigerating systems for freezing food products : en
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  • CA441911A - Optical system : en fr
  • CA441826A - Bag closure : en fr
  • CA441924A - Electronic discharge device : en fr
  • AU138627B2 - Television broadcasting system : en
  • BE469703A - : fr
  • CA441834A - Spot welding method : en fr
  • AU124294B2 - Improvements in or relating toa process forthe manufacture of thermosetting synthetic resins bythe polymerisation of ethylene oxide derivatives : en
  • US2421576A - Retarded float control mechanism for coal washing jigs : en
  • AU1960245A - Improvements in or relating to bag-sewing apparatus : en
  • FR922388A - Liquid preparations with insecticidal, disinfectant and anti-cryptogamic action and their application : en fr
  • US2421483A - Cotton cleaner : en
  • US2421578A - Apparatus for measuring the degree of roughness of surfaces : en
  • US2421398A - Production of compressed air on board aircraft : en
  • US2421613A - Plastic liner for containers : en
  • US2421634A - Fender construction : en
  • USD146877S - Design for a dress : en
  • US2421388A - Foldable baby carriage : en
  • AU1193947A - Electron discharge devices : en
  • AU1390644A - Multiplex signal high frequency transmission systems : en
  • USD146848S - Design for a milk truck or similar article : en
  • AU1204547A - Improvements in and relating togas producers : en
  • US2421482A - Furnace : en
  • GB588755A - Improvements in picnic or camping outfits : en
  • AU124314B2 - Combined air and hydraulic pressure brake actuating system : en
  • CA441857A - Spreader stoker : en fr
  • US2421552A - Casing and nozzle construction for rocket motors : en
  • AU134259B2 - Improvements in or relating to sugar juice clarifiers : en
  • CA441948A - Knitting machine : en fr
  • US2421379A - Shaft mucking machine : en
  • AU124015B2 - Improvements in or relating to time modulated pulse communication systems : en
  • AU139864B2 - Telemetering system : en
  • CA441837A - Power cable for high frequency oscillators : en fr
  • CA441968A - Electron discharge device : en fr
  • GB588877A - Improved adaptor plug for an electric lamp holder or socket : en
  • GB588908A - Improvements in or relating to mine cars : en
  • US2421445A - Reversible gas turbine : en
  • AU1107847A - Improvements in lanterns : en
  • US2421625A - Manufacture of vulcanised rubber articles : en
  • CA441960A - Rubber hydrochloride film : en fr
  • AU1183647A - Improvements in or relating to contact springs ofthe type used in electromagnetic light current contact making relays : en
  • FR922161A - Hollow Cathode Beam Velocity Modulated Tube : en fr
  • GB588928A - Improvements in or relating to golf bag stands : en
  • FR922296A - Hat making device : en fr
  • GB588761A - Improvements in pressure release valves : en
  • AU1753044A - Improvements inthe manufacture of opal glass : en
  • US2421707A - Mono-substituted dialkanol piperazines : en
  • US2421646A - Decorated container : en
  • USD146880S - Design foe a music box : en
  • CA441824A - Variable resistor : en fr
  • CA441882A - Steam generator : en fr
  • US2421485A - Vibrating apparatus : en
  • US2421674A - Preparation of isoparaffins and reactivation of the catalyst used therein : en
  • USD146870S - Design for a pin or similar article : en
  • AU1119247A - Device forthe formation ofa centre selvedge inthe weavings : en
  • US2421408A - Thermoplastic polyvinyl halide composition containing chlorinated paraffin wax : en
  • USD146862S - Design for a bottle : en
  • US2421547A - Butchering apparatus : en
  • GR11179B - METHOD OF PREPARATION OF THERAPEUTIC SUBSTANCES WITH ANTISPASMIC PROPERTY. : el en
  • US2421553A - Azo dyes from 2, 6 dihalo 4 nitraniline : en
  • FR922260A - Process for obtaining animal feed and use : en fr
  • GB588946A - Improvements in or relating to model airplanes : en
  • AU124304B2 - Improvements inthe construction of buildings comprising moulded sections : en
  • FR922293A - Improvements to watertight closures : en fr
  • FR922334A - Fuel unit housing for two-stroke combustion engines with star-shaped cylinders : en fr
  • AU124344B2 - Compositions having both fertilising and pesticidal action : en
  • AU124354B2 - Improvements in and relating to rectifier forming : en
  • CA441891A - Alkali-resistant iron blue : en fr
  • BE469696A - : en
  • AU1105943A - Improvements in or connected with rangefinders and heightfinders for antiaircraft gunnery : en
  • US2421564A - Sucker rod scraper : en
  • FR922333A - Device for gun gas pressure magazines : en fr
  • FR922312A - Device for controlling a rotating shaft in a reciprocating element : en fr
  • CA441821A - Alloy process : en fr
  • US2421690A - Reciprocable means for automatically moving a series of articles in tandem through a drying chamber : en
  • US2421732A - Tool for dimpling : en
  • AU140292B2 - Anew or improved process and apparatus for producing shaped products from thermosetting synthetic resins : en
  • CA441783A - Sanitary napkin : en fr
  • CA441937A - Floor covering underlay : en fr
  • AU124368B2 - Improvements relating to knockers and number plates for doors : en
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  • FI22180A - The blindest and visually impaired writing aid : en fi
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  • AU124355B2 - Improvement in voltage regulation : en
  • AU137070B2 - improvements in Weighing Machines : en
  • CA441908A - High-twist artificial yarn production : en fr
  • FR922155A - Manufacture of plastic doll heads : en fr
  • FR922218A - Improvements to anti-theft devices for light bulbs with bayonet fixing : en fr
  • AU408046A - Improvements in wire crates andthe like for carrying and stacking bottles and like containers : en
  • CA441835A - Internally stressed structure : en fr
  • CA441887A - Air blast circuit breaker : en fr
  • US2421505A - Bottom rail assembly for venetian blinds : en
  • FR922308A - Transportable device for temporarily freezing a short length of a pipe containing liquid : en fr
  • AU139825B2 - Improvements in or relating tothe manufacture of dry rectifiers : en
  • CA441845A - Discharge tube insulator : en fr
  • AU135147B2 - Improvements relating to fuel injection pumps : en
  • AU1839245A - Improvements in or relating tothe manufacture of low-density cellular material : en
  • US2421689A - Cowling arrangement : en
  • AU1191747A - Improvements in heating devices : en
  • AU135289B2 - Fluid sealing device : en
  • US2421395A - Bevel protractor : en
  • US2421498A - Agitating ejector type dental lathe pan : en
  • AU1971345A - An improved press for meat andother substances : en
  • GB588725A - Process for the production of polymeric materials : en
  • AU136446B2 - Improvements in or relating to protection of alternating current electric powersystems : en
  • CA441792A - Liquid and gas separating apparatus : en fr
  • US2421636A - Tunable magnetron : en
  • AU124317B2 - Improvements in and relating to glass moulding machines : en
  • GB588743A - Furnaces : en
  • GB588828A - Improvements in or relating to abrasive articles : en
  • AU1401944A - Improvement in accumulators : en
  • US2421433A - Adjustable clothes hanger : en
  • FR922180A - Improvements to rotary pumps : en fr
  • FR922324A - Improvements to measuring instruments : en fr
  • AU140637B2 - Improvements in wire crates andthe like for carrying and stacking bottles and like containers : en
  • GB588838A - Improvements in or relating to kitchen stoves : en
  • GB588933A - Means for removing live or dummy ammunition from the loading mechanism of guns : en
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  • FI22164A - For the purposes of the halvautvets bågsvetsning samt svetsapparat f utförande av förfarandet : en fi
  • AU1821544A - Improvements in safety controls for gaseous fuel burners : en
  • GB588823A - Improvements in or relating to the production of artificial fogs : en
  • FR922329A - Improvements relating to clutches : en fr
  • US2421422A - Interpolymerization of isobutene and isopentenes in the presence of sulfuric acid : en
  • FR922325A - Improvements in the preparation of aromatic compounds which can be used as motor oils : en fr
  • IE18289L - Treating fish roe : en
  • GB588948A - Improvements in or relating to engine mountings for motor road vehicles : en
  • GB588707A - Improvements in gaseous electric discharge tubes with fillings comprising a main rare gas and an auxiliary gas or vapour : en
  • AU124316B2 - Sulphanilamide derivatives : en
  • CA441946A - Electric cable : en fr
  • US2421548A - Apparatus foe grinding articles of : en
  • GB588722A - Television apparatus : en
  • GB588891A - Improvements in or relating to stone settings for articles of jewellery : en
  • FR922204A - Method and devices for measuring the viscosity of a fluid : en fr
  • FI22187A - Fertilization requirements for the production of ligno-cellulose and other products : en fi
  • CA441934A - Resilient plastic base : en fr
  • FR922255A - Cylindrical ground glass dispenser : en fr
  • GR11180B - METHOD OF PREPARATION OF PHARMACOLOGICAL COMPOSITION IN THE FORM OF SUBSTITUTED THIOVARBITURIC COMPOUND. : el en
  • FR922239A - Improvements to electrodes used in electrotherapy for high frequency application : en fr
  • US2421533A - Clamp-sealed joint construction for aviators' suits : en
  • FR922201A - Device for automatic tire inflation : en fr
  • USD146866S - Design for a smoking pipe : en
  • US2421591A - Ultra high frequency device of the cavity resonator type : en
  • FR922178A - Process for producing images on photographic paper, usable by transparency, in particular for making lampshades, and products obtained by this process : en fr
  • GB588900A - Improvements connected with hydraulically operated cranes : en
  • US2421417A - Locked down weather surfacing elements : en
  • US2421628A - Odograph : en
  • FR922271A - Heating device for permanent ripple : en fr
  • GB588812A - Improvements in fire-grates : en
  • FR922252A - Improvements made to dryers and, in particular, to those intended for drying the hair : en fr
  • FR922300A - Improvements to the mechanism for controlling cinematographic films : en fr
  • US2421665A - Steel barrel plug wrench : en
  • FR922212A - Rotary sprayer : en fr
  • FR922275A - Manufacturing process for hexachloride and products conforming to those obtained by this process : en fr
  • US2421727A - Multiplex system having channels added at a relay station : en
  • FR922196A - New lumberjack tools : en fr
  • US2421418A - Transport blower : en
  • US2421528A - Underground oil recovery : en
  • GB588890A - Improvements relating to barometers : en
  • AU1118947A - Lubricating compositions and methods for preparing same : en
  • AU1196647A - Improvements in and relating to biscuit cutting machines andthe like : en
  • GB588966A - Improvements in stands for tea-pots, jugs, bottles and the like : en
  • GB588905A - Improvements in and relating to prefabricated buildings : en
  • US2421738A - Lubricating device : en
  • GB588925A - Apparatus for re-inking typewriter and other ribbons : en
  • CA441856A - Superheater baffling : en fr
  • FR922381A - Process and apparatus for drying, concentrating and vacuum distillation of products of all kinds : en fr
  • US2421397A - Pan motion belt apparatus for ore separation : en
  • AU1112947A - Conveyor and heater : en
  • FR922284A - Improvements to amines and their preparation process : en fr
  • FR922349A - Improvements to rotary fans : en fr
  • FR922368A - Gas heater : en fr
  • CA441847A - Reactor construction : en fr
  • GB588936A - Improvements in and relating to liquid metering systems and apparatus therefor : en
  • AU128764B2 - Improvements in cots, bassinets andthe like : en
  • FI22176A - Glue machine : en fi
  • GB588822A - Improvements in voltage regulators : en
  • AU1710744A - Processes of producing copolymerizable resins and resins produced therefrom : en
  • CA441805A - Door latch : en fr
  • FR922182A - Device allowing the reading of printed or printed tapes on the front and back : en fr
  • GB588943A - Improvements in or relating to devices for forming trueing, reshaping or reconditioning valve seats : en
  • GB588757A - Improvements in or relating to reversible feed mechanism for sewing machines : en
  • FI22148A - Ryttare för utmärkande av kort and dlikt vid kartotek : en fi
  • CA441956A - Contact operation : en fr
  • FR922382A - High frequency welding method and apparatus : en fr
  • AU1195547A - Improvements in and relating to push-pull thermionic valve amplifiers : en
  • FR922280A - Force limiting mechanism : en fr
  • US2421435A - Lasting machine : en
  • FR922361A - Plant for grain conditioning : en fr
  • US2421484A - Pneumatic gaging machine for selecting rolls according to size : en
  • US2421376A - Preparation of sweetening medium from fruit : en
  • USD146869S - Spool display rack or similar article : en
  • GB588831A - Improvements in valves : en
  • AU1557444A - Improvements in or relating to analyzer gauge : en
  • US2421699A - Auxiliary fuel tank : en
  • US2421421A - Process of treating high-molecularweight hydrocarbons : en
  • US2421424A - Reverberation method and system : en
  • US2421504A - Indicating dial for photoelectric light meters : en
  • USD146872S - Design for a cigar and cigarette lighter : en
  • FR922258A - Mechanism ensuring the rise of the plate in the duplicators : en fr
  • GB588847A - Improvements in combustion chambers for internal combustion turbines : en
  • FR922220A - Lady bag : en fr
  • GB588756A - Improvements in or relating to shaft couplings and the like : en
  • CA441800A - Rotary machine : en fr
  • CA441866A - Powder dispensing container : en fr
  • US2421676A - Oscillator : en
  • FI22169A - Chargers for the glass industry : en fi
  • FR922216A - Lighter : en fr
  • FR922338A - Improvements to vehicle body supports : en fr
  • US2421525A - Heat-treating apparatus : en
  • IE17817L - Ventilator for vehicles : en
  • GB588876A - Improvements relating to the securing of stiff wire members to seats, doors or otherstructures : en
  • CA441843A - Demodulator system : en fr
  • US2421510A - Valve mechanism of fluid-pressure engines : en
  • FR922394A - bucket elevator : en fr
  • FR922323A - Improvements relating to refractory products : en fr
  • GB588865A - Apparatus for recording the dilatations of an artery : en
  • FR922253A - Adjustable shim for leveling : en fr
  • FR922367A - Improvements to hoods for motor vehicles : en fr
  • GB588938A - A loom shuttle swell : en
  • US2421590A - Treatment of sulphite pulp and liquor : en
  • CA441909A - Melting furnace : en fr
  • AU398446A - Improvements in and relating tothe propelling of mechanical hares orthe like : en
  • FR922194A - Command and signaling transmission system for long distance telephone circuits : en fr
  • GB588769A - Improvements in or relating to electric motor controllers : en
  • GB588895A - Device for use in stropping safety razor blades : en
  • GB588885A - Improvements in or relating to water filters or strainers : en
  • FI22179A - Optical system, which is supported by a correction element, exempted from the aberration : en fi
  • FR922175A - Advanced spindle bearing : en fr
  • US2421650A - Hydrogenated pyrroles : en
  • GB588940A - Improvements in syringe ampoules or hypodermic injectors : en
  • GB588836A - Manufacture of oil-soluble compositions : en
  • AU122145B2 - Secret telephony : en
  • FI22185A - Sätt att conservera vegetabilier, särskilt grönfoder : en fi
  • FR922304A - Improvements in crystal preparation : en fr
  • GB588773A - Improvements in or relating to conveyors and elevators : en
  • GB588861A - Improvements in or relating to the heat treatment of metals and alloys : en
  • FI22199A - Skidbindning med bakstropp : en fi
  • US2421594A - Arc welding electrode : en
  • US2421462A - Carbon sheet holding and positioning means for business machines : en
  • US2421540A - Safety razor : en
  • AU1205147A - Improvement in engines : en
  • US2421693A - Imidazolone color formers : en
  • US2421544A - Vulcanization accelerators for natural and synthetic rubber : en
  • AU847943A - Improvements in or relating to time modulated pulse communication systems : en
  • CA441914A - Frequency modulation wave detector : en fr
  • CA441785A - Pivotal frame wringer : en fr
  • AU124327B2 - Body moulding garments : en
  • CA441799A - Shuttering for moulding concrete walls : en fr
  • US2421554A - Catalytic cleavage of glycols : en
  • US2421652A - Electrical conductor : en
  • US2421499A - Shutter for controlling light along two independent optical paths : en
  • AU1506344A - Improved means for controlling a reversible supply toa load such asan electric motor : en
  • AU1205547A - Improvements in or relating toa mineral coating composition, the process of coating paper with said composition, andthe coated paper resulting from said process : en
  • AU1156347A - Adjustable mounting : en
  • AU1728944A - Improvement in spools : en
  • AU124350B2 - Improved hydraulic clutch and variable reduction drive means : en
  • FR922273A - Benzene hexachloride, its manufacturing process and its applications : en fr
  • AU124384B2 - Clothes drying device : en
  • FI22150A - Procedure and apparatus for cleaning the electrolyte cell mercury circulation pump and lines : en fi
  • AU124326B2 - Process for the preparation of dry absorbent gels : en
  • CA441851A - Rate of travel indicating apparatus : en fr
  • CA441781A - Rail joint lubricating means : en fr
  • AU124367B2 - Treatment of materials with organosilicon compounds to render the materials water' repellent : en
  • AU129945B2 - Process forthe conversion to sulphur and/or sulphur dioxide ofother sulphur compounds : en
  • AU137957B2 - Improvements in and relating to propelling mechanism : en
  • CA441936A - Eraser composition : en fr
  • CA441827A - Transmission : en fr
  • US2421509A - Lifter for hot or cold containers : en
  • US2421597A - Unsaturated cyclic ethers : en
  • CA441941A - Communication system : en fr
  • FR922170A - Device for producing colored images for talking machines : en fr
  • GB588794A - Improvements in or relating to the treatment of metal surfaces : en
  • AU618946A - Improvements in or relating to machines for inserting fastenings : en
  • US2421638A - Machine for marking circular knit hosiery for boarding : en
  • US2421414A - Vise shears : en
  • GB588799A - A hinge and a method of fixing the same : en
  • AU1899945A - Body moulding garments : en
  • AU136071B2 - Prevention of fogging of transparent, packages : en
  • US2421668A - Bearing construction : en
  • US2421569A - Insecticide : en
  • US2421454A - Apparatus for producing molding dies and the like : en
  • US2421588A - Joint : en
  • US2421423A - Method and apparatus for taking physical measurements in boreholes : en
  • US2421715A - Peg for stringed instruments : en
  • US2421571A - Fluorescent glow lamp : en
  • US2421387A - Hot air turbine power plant with automatic air supply control : en
  • US2421562A - Apparatus for heating oil and other fluid media : en
  • US2421624A - Method of conditioning artificial silk thread : en
  • US2421570A - Insecticide : en
  • FI22175A - Method of attaching the gluing pieces : en fi
  • GB588923A - Apparatus for indicating transient voltages : en
  • US2421661A - Suction cleaning nozzle : en
  • FR922162A - Decorative lacquer with insecticidal power for interior coatings and plasters : en fr
  • GB588731A - Improvements in or relating to cop or like winding machines : en
  • FR922391A - Washing machine : en fr
  • FR922247A - Two-position tandem : en fr
  • GB588784A - Improvements relating to automatic chain tensioning devices : en
  • AU1186347A - Improvements in or relating to level luffing jib cranes : en
  • GB588785A - An improved reciprocatory pump for delivery from bulk of predetermined quantities of edible substances : en
  • US2421472A - Endless tread industrial truck : en
  • FR922354A - wooden elements allowing the realization of a very large number of constructions with multiple uses : en fr
  • CA441869A - Easy opening metal can : en fr
  • FR922219A - Improvements in frequency modulated wave demodulation : en fr
  • FR922386A - Reflectors for fluorescent lamps : en fr
  • FR922376A - Manufacture of improved appearance soaps : en fr
  • USD146881S - Design fob a music box : en
  • CA441815A - Can body soldering machine : en fr
  • FR922232A - Method of assembling the axles of mining sedans : en fr
  • US2421600A - Hoe : en
  • AU140101B2 - Improvements in or relating to electron flow devices anda glass-to-metal seal therefor : en
  • AU1617044A - Improvements, in rib knitted fabrics andthe method of producing thesame : en
  • FR922326A - Improvements to processes and machines for the production of nut blanks : en fr
  • GB588896A - Improvements in and relating to the treatment of wool-washing effluent : en
  • US2421459A - Hand miller : en
  • US2421464A - Scaffold caster : en
  • FR922208A - Explosion turbines : en fr
  • GB588740A - Improvements in and relating to the classification of sulphide ores : en
  • USD146853S - Design for a bottle stopper : en
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  • US2421608A - Method of preparing amines : en
  • US2421402A - Diaryl-dialkyl-ethane derivatives and process for the manufacture of same : en
  • AU1200947A - Filament supports : en
  • AU139717B2 - Electron discharge devices : en
  • GB588832A - Improvements in or relating to gas controlled audible signalling apparatus : en
  • GB588909A - Improvements in or relating to smoke producing or discharging toys : en
  • GB588930A - Improvements in and relating to combination padlocks : en
  • CA441811A - Scalping machine control apparatus : en fr
  • CA441860A - Electrolysis of magnesium chloride fusions : en fr
  • GB588929A - Improvements in or relating to automatic control systems for dirigible craft : en
  • USD146854S - Link chain for a bracelet or similar article : en
  • US2421561A - Brassiere : en
  • GB588957A - Filter casings : en
  • FI22183A - Slåttermaskin anordnad att vidfästas dragstången till en traktor : en fi
  • GB588781A - Improvements relating to swivel pipe joints : en
  • GB588846A - Improvements in apparatus for producing magnesium, calcium and similar metals : en
  • FR922241A - Improvements to hydraulic jacks or jacks and similar devices : en fr
  • GB588883A - Improvements in drying apparatus : en
  • FR922307A - Advanced calibration device : en fr
  • CA441910A - Optical system : en fr
  • AU124321B2 - Improvements in safety controls for gaseous fuel burners : en
  • AU137019B2 - Device forthe formation ofa centre selvedge inthe weavings : en
  • US2421730A - Weather prediction with ultra high frequency radio waves : en
  • GB588827A - Elliptical cone-shaped reproducing diaphragm : en
  • AU1829444A - Improvements in and relating to rectifier forming : en
  • AU124330B2 - Improvements in or relating to bag-sewing apparatus : en
  • CA441848A - Refrigerating apparatus : en fr
  • AU133876B2 - Improved rims for motorcycles, cycles andthe like vehicles anda method for their production : en
  • AU1893445A - Process for the preparation of dry absorbent gels : en
  • AU1170347A - Bulldozer : en
  • CA15443S - Doll : en
  • CA441809A - Aerial pick-up system ground station : en fr
  • US2421457A - Die plate for flanging metallic sheets of variable size : en
  • US2421425A - Retainer shield for potato diggers : en
  • AU1113247A - Lateral spreader : en
  • CA441881A - Steam generator : en fr
  • US2421579A - Tape moistening device for mail : en
  • AU124372B2 - Improvements in and relating to moving coil loudspeakers and microphones : en
  • AU1944245A - Improvements in or relating to signalling apparatus particularly for use in connection with kites or balloons : en
  • AU124296B2 - Telecommunication systems : en
  • US2421598A - Multivitamin compositions : en
  • AU124308B2 - Improvements in or relating to analyzer gauge : en
  • AU140175B2 - Improvements in or relating to superheterodyne radio receiving sets : en
  • US2421372A - Duplex pressure proportioner : en
  • FI22197A - Sätt att påföra färger, lacker eller andra vätskor på ytar, jämte härför avsedd sprutanordning : en fi
  • FR922330A - Improvements to refractory linings : en fr
  • FR922327A - Improvements in the control of electric currents of short duration, for example for welding : en fr
  • FR922166A - Safety device for hydraulic systems, in particular vehicle brakes and steering : en fr
  • FR922398A - Sulphocyano-polyhalocyclanic compounds, their transformation products and methods of manufacture : en fr
  • GB588906A - Improvements relating to assemblages of push button switches for radio apparatus : en
  • AU1991245A - An improved pipe joint and apparatus for use with an irrigation system : en
  • FI22192A - Latch lock : en fi
  • US2421635A - Ultra high frequency space resonant system : en
  • CA441795A - Foot insulator : en fr
  • GB588830A - Improvements in or relating to knitting machines : en
  • US2421653A - Preparation of polyorganohalogenopolysiloxanes : en
  • FI22201A - Mold for hollow concrete pieces : en fi
  • FR922172A - Method and device for the preparation of insecticide products : en fr
  • GB588713A - Improvements in or relating to funnels and like filling devices : en
  • GB588901A - Improvements in or relating to web renewing mechanisms for printing or other machines : en
  • GB588805A - Improvements in or relating to apparatus for sealing ampoules and similar glass containers : en
  • FR922289A - Improvements to fluid distributors and hydraulic control devices incorporating advanced fluid distributors : en fr
  • CA441816A - Can body producing method : en fr
  • US2421443A - Clamp : en
  • FR922197A - Distillation process and apparatus : en fr
  • GB588879A - Improvements in and relating to shock indicator devices : en
  • GB588910A - Feed mechanism for washing machine for containers : en
  • GB588850A - Improved apparatus for grooving cylindrical surfaces : en
  • GB588934A - Improvements in or relating to the building of concrete structures : en
  • FR922215A - rational equipment of vineyards : en fr
  • AU661346A - Improvements in electric toasters : en
  • CA441867A - Container : en fr
  • FR922343A - Nibs and pen holders : en fr
  • FR922340A - Safety device for camera range finder control : en fr
  • FR922176A - Improvements to electric heating blankets, networks, nets and heating panels : en fr
  • FR922294A - Improvements to grinding machines : en fr
  • GB588881A - Improvements in or relating to desk lamps : en
  • US2421412A - Glove with change pocket : en
  • US2421697A - Card -time printing and punching recorder : en
  • FI22160A - Apparatus for the transmission of nerves and muscles with an electric impulse : en fi
  • FR922192A - Electrical cable connection device : en fr
  • AU124329B2 - A method of thermally relieving residual stress in metal members and product of such method : en
  • US2421682A - Typewriter word counter : en
  • FR922380A - Pest control products : en fr
  • US2421431A - Controller for induction motors : en
  • CA441802A - Clothes pin : en fr
  • AU122229B2 - Resonant line and associated circuits : en
  • FR922160A - Electronic discharge devices : en fr
  • FR922348A - Process for the rapid and mass production of hollow articles made of thermoplastic resins or similar materials : en fr
  • FR922211A - Mass filter : en fr
  • US2421718A - Protective equipment for circuit makers and breakers : en
  • US2421639A - Machine for forming and reinforcing cutouts : en
  • US2421725A - Variable frequency cavity resonator oscillator : en
  • US2421648A - Bauxite beneficiation by hydration of gangue : en
  • AU124366B2 - Improvements in and relating to pencil marking elements and process forthe manufacture thereof : en
  • US2421581A - Drafting machine rolling contact distance calculator : en
  • AU1563744A - An improved means for controlling the operation of supercharged aircraft engines : en
  • CA441923A - Space discharge device : en fr
  • US2421683A - Typewriter word counter : en
  • GB588815A - Improvements in or relating to wooden framed buildings and other structures : en
  • US2421702A - Adjustable chair back : en
  • AU138928B2 - Manufacture of modified acetal thioplasts : en
  • US2421555A - Stop motion for spinning and like textile frames : en
  • US2421645A - Regulating system : en
  • US2421666A - Method of and apparatus for making concrete piles : en
  • CA441899A - Refractory metal composition : en fr
  • US2421516A - Apparatus for supporting portable radio sets : en
  • AU124383B2 - Improvements relating to power tailgate : en
  • AU140566B2 - Filament supports : en
  • AU141133B2 - Improved means for recovering or separating valuable nutrients in flour milling : en
  • AU1512344A - Improvements in or relating to screw-presses : en
  • CA441894A - Oxygen-free copper production : en fr
  • AU124318B2 - Improvements inthe manufacture of opal glass : en
  • AU124341B2 - Improvements in or relating to internal combustion turbine engines : en
  • GB588779A - Jack : en
  • GB588852A - Improvements in and relating to machines for making crisp bread : en
  • US2421401A - Process for the manufacture of compounds of alpha, beta-(rho, rho'-dihydroxydiaryl)-alpha, beta-dialkyl-alkyl and -alkylene : en
  • FI22155A - A method of softening the hard surface layer of cast iron articles cast in a mold : en fi
  • AU1193347A - Improvements in and relating to circuits for electric discharge lamps : en
  • US2421490A - Metal removing tool : en
  • US2421575A - Method and apparatus for the straightening of the wefts of woven textile fabrics : en
  • US2421631A - Lubricating oil : en
  • US2421708A - Apparatus for filling containers : en
  • US2421607A - Method of making metallic printing screens : en
  • US2421426A - Heat dissipating cot for textile rolls : en
  • AU1193447A - Improved apparatus for measuring or controlling a physical state of a material : en
  • US2421411A - Circuit time control device : en
  • FR922372A - Improvements to gear changes : en fr
  • USD146889S - Design for a piano : en
  • CA441889A - Cooling device for liquids : en fr
  • AU1972245A - Refrigerator cabinet construction : en
  • CA441790A - Variable speed drive : en fr
  • US2421444A - Bobbin-wound coil : en
  • FI22163A - Flussmedel och svetsstav för svetsning av eller med lättmetaller jämte sätt för dennas framställning : en fi
  • FR922177A - Aircraft propeller de-icing pump : en fr
  • FR922209A - Jet engine tubes applicable in particular to the propulsion of self-propelled projectiles : en fr
  • CA441864A - Easily opened metal container : en fr
  • US2421616A - Catalytic treatment of hydrocarbon oils : en
  • US2421434A - Cementing wells : en
  • US2421535A - Form for molding grave markers and the like in situ : en
  • AU124357B2 - Improvements in corrugated sheet materials : en
  • AU1200447A - Oscillation: generator : en
  • AU133584B2 - Lateral spreader : en
  • AU124320B2 - Polymerisation of methyl methacrylate in the presence of aliphatic thiols : en
  • CA441832A - Welding gun : en fr
  • AU400646A - Improvements in and relating to portable concrete mixers : en
  • GB588808A - A handle for saucepans and the like : en
  • CA441920A - Electrical gaseous discharge device : en fr
  • FR922359A - Improvements to cabinets for drying textiles, for example linen : en fr
  • GB588955A - Improvements in or relating to steering handles for small tractors, self-propelled cultivators and the like : en
  • FR922226A - Improvements in gas distribution in meters : en fr
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  • US2421406A - Fuel conditioning device : en
  • US2421694A - Airplane control surface : en
  • GB588752A - Improvements in or relating to concrete mixers and the like : en
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  • US2421735A - Method of electrolytically reproducing prints or designs : en
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  • GB588792A - Improvements in or relating to sealing devices for rotary shafts : en
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  • AU1177147A - Improvements relating to oil filtration systems : en
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  • AU131882B2 - Improvements in gas meter casings : en
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  • US2421480A - Joint for sectionalized electric distribution systems : en
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  • AU1945345A - Variable condenser : en
  • AU1200747A - Improvements in or relating to electric discharge devices : en
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  • US2421593A - Coaxial half-wave microwave antenna : en
  • AU138729B2 - Improvements in and relating to circuits for electric discharge lamps : en
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  • AU1500244A - Improvements in audio frequency amplifiers : en
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  • AU143701B2 - Improvements in or relating to electronic devices : en
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  • AU124346B2 - Improvements in or relating to pressure cookers : en
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  • US2421731A - Machine for cutting shoe sole taps : en
  • GB588904A - Improvements in the manufacture of hectograph master forms : en
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  • CA441842A - Aerial system for aircraft : en fr
  • CA441793A - Aluminum zinc-magnesium alloy : en fr
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  • AU138030B2 - Improvements in or relating to synchronous speed control systems for electric motors : en
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  • US2421671A - Wheel attachment for boats : en
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  • AU133948B2 - Improvements in or relating to level luffing jib cranes : en
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  • AU124370B2 - Improvements in or relating to springs for use in bedding and upholstery andthe like : en
  • AU130232B2 - Improvements in and relating to portable concrete mixers : en
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  • FI22191A - Propeller snow feet : en fi
  • AU131522B2 - Improvements in or relating toa mineral coating composition, the process of coating paper with said composition, andthe coated paper resulting from said process : en
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  • GB588858A - Improvements in or relating to flexible tubing : en
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  • CA441803A - Automatic brake adjuster : en fr
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  • FR922156A - Device for feeding discharge tubes : en fr
  • FR922151A - Variable speed modulating tube, medium speed : en fr
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  • CA441839A - Protected electrical apparatus : en fr
  • GB588759A - Improvements in valve closures : en
  • CA441921A - Electrical welding system : en fr
  • CA441928A - High efficiency magnetron : en fr
  • US2421514A - Dual rotation propeller : en
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  • AU1192747A - Improved radar system employing frequency modulated energy for determining target velocity : en
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  • AU124358B2 - Hydraulic flow control valve : en
  • AU137679B2 - Phase shifter : en
  • FR922371A - Electric discharge lamps : en fr
  • GB588714A - Improvements in or relating to thermionic valve apparatus : en
  • AU2085845A - Pneumatic structure : en
  • CA441880A - Rail bonding apparatus : en fr
  • AU1679344A - Improvements relating to knockers and number plates for doors : en
  • FI22171A - Device for automatically closing the central heating boiler air door : en fi
  • AU1118647A - Improvements in refrigerating systems for freezing food products : en
  • US2421513A - Recording device, including rotatable number carrying rings : en
  • US2421691A - Universal joint : en
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  • FI22165A - Method for making gluten glue and adhesive mixtures prepared thereon : en fi
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  • US2421536A - Process for preparing blasting gelatin : en
  • FR922270A - Improvements to obstacle detection devices : en fr
  • GB588869A - Improvements in electromagnetic vibratory interrupters : en
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  • AU124376B2 - Improvements in or relating tothe manufacture of low-density cellular material : en
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  • AU124324B2 - 4 Treating oxidisable constituents for use in manufacturing alloys : en
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  • US2421508A - Force lasting machine : en
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  • FR922285A - Improvements relating to an oven device for incinerating household waste : en fr
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  • FR922157A - Coupling device : en fr
  • US2421441A - Purification of methyl chloride : en
  • US2421512A - Method and apparatus for handling airplanes for refueling : en
  • FR922261A - Device for rational use in direct reaction electric pendulums, new powerful aluminum magnets and others : en fr
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  • FR922210A - Lighting method and device : en fr
  • US2421407A - Button locked down siding : en
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  • US2421419A - Sole treating apparatus : en
  • US2421618A - Toy parachute : en
  • US2421470A - Honing device : en
  • US2421556A - Connecting rod boring machine : en
  • USD146858S - Design fob an electric iron : en
  • GB588862A - Improvements in or relating to refrigerating apparatus : en
  • FI22204A - Transport carton for packing form in the form of a pyramid or a machine : en fi
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  • US2421667A - Apparatus for beading or flaring metal tubing : en
  • FR922392A - Method and device for producing hot gases, in particular for supplying gas turbines : en fr
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  • GB588800A - Apparatus for the artificial culture of plants : en
  • GB588913A - Improvements relating to loose-leaf securing means : en
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  • AU141088B2 - Improved radar system employing frequency modulated energy for determining target velocity : en
  • AU2093245A - Improvements in or relating to desiccators : en
  • AU124298B2 - Improvements in and relating to louvre shutters : en
  • US2421723A - Welding electrode holder : en
  • FR922332A - Lighter : en fr
  • AU1108347A - Improvements in or relating toan anode structure for Xray generators : en
  • GB588798A - Improvements relating to hydraulic presses : en
  • FR922250A - Improvements to distillation furnaces and reaction furnaces : en fr
  • FR922384A - Improvements in the manufacture of steel by the Bessemer process and resulting steels : en fr
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