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Patents PDF 1 PDF eBooks Online Free Download

GB-190619301-A: Improvements in or relating to the Driving Gear of Drums and Rollers or Cylinders of Ring Spinning and Twisting Machines. patent, GB-190619460-A: Improvements in and relating to Terrestrial Globes. patent, GB-190619624-A: Improvements in Apparatus for Filtering Gas. patent, GB-190619723-A: Improvements in and relating to the Manufacture of Cement. patent, GB-190620327-A: An Improved Method of Operation with Lead-peroxide-zinc Storage Batteries. patent, GB-190620794-A: Improvements in Screw Motors Operated by a Current of Air Directly Heated by the Sun. patent, GB-190621410-A: patent, GB-190621895-A: Improvements in or relating to Instruments for Registering the Pressure in Pneumatic Tyres patent, GB-190622850-A: Improvements in Processes of Manufacturing Glass Ware. patent, GB-190623897-A: Improvements in and relating to Bell Ticket-punches. patent, GB-190625574-A: Improved Method of Treating Poor Sulphide Ores patent, GB-190626620-A: Improvements in Electric Arc Lamps. patent, GB-190628119-A: An Improved Candle Holder. patent, GB-190628376-A: Improved Means for Preventing Halation in Sensitized Photographic Plates. patent, GB-190629671-A: Improvements in Cycle Attachments for Supporting and Locking purposes. patent, GB-190629684-A: Improved Methods and Means of, and for use in Constructing Tyre Covers for Motor Vehicles patent, GB-190700851-A: Improvements in or relating to Firebars for the Furnaces of Steam Boilers. patent, GB-190701545-A: Appliances for use in Shooting by Night. patent, GB-190702133-A: Improvements in the Manufacture of Barium Cyanide and Barium Oxide. patent, GB-190702720-A: Improvements in or relating to the Lighting by Electricity of Miners Safety Lamps in Coal Mines and other places patent, GB-190703638-A: Sash Cord Holder. patent, GB-190704799-A: Improvements relating to Wireless Telegraphy. patent, GB-190705675-A: Improvements in and relating to Saddles. patent, GB-190707340-A: Automatic Device for Signalling Shallow Water. patent, GB-190708149-A: Improvements in Puzzles. patent, GB-190709215-A: Improvement in Automobile Tyres. patent, GB-190709487-A: Improvements in Centrifugal Pumps. patent, GB-190709838-A: Improvements in Method of Tapping Barrels and the like and Apparatus therefor. patent, GB-190711162-A: Improvements in and relating to Ash Ejectors. patent, GB-190711732-A: Improved Locking and Releasing Means for Drop-sides of Childrens Cots. patent, GB-190711893-A: Improvements in or relating to Life Saving Apparatus. patent, GB-190712700-A: Improvements connected with the Cylinders and Pistons of Internal-combustion-motors patent, GB-190713620-A: Improvements relating to Regenerative Gas Furnaces. patent, GB-190713844-A: Improved Means and Appliances for the Prevention of Dust Raising by Motor Vehicles patent, GB-190713863-A: Improvements in and relating to Automatic Turret Lathes, or Screw Making Machines, and the like. patent, GB-190716958-A: Improved Lubricating Device for Shafts and the like. patent, GB-190717346-A: Improvements in or connected with Holders for Electric Incandescent Lamps. patent, GB-190717604-A: Improvements in and relating to Receptacles or Holders, specially suitable for Matches but applicable also to other Articles. patent, GB-190718765-A: Improvements in Safety Suspending Apparatus for Mine Cages. patent, GB-190719266-A: Improvements in Ventilators for Railway Carriages and similar uses. patent, GB-190720095-A: Improvements in Relays for the Protection of Electric Circuits. patent, GB-190720454-A: Improvements relating to Newspaper Vending Machines. patent, GB-190721324-A: Improvements in or relating to Domestic Fireplaces and Hearths. patent, GB-190721914-A: Improvements in Detonator Apparatus for Railway Signalling. patent, GB-190722131-A: Improvements in and relating to the Control of Electric Motors. patent, GB-190723789-A: An Improvement in Wall Advertising Tablets and in the Method of Fixing the same to Walls and the like. patent, GB-190724316-A: Valve-mechanism for Four-stroke Explosion Engines having Two or More Cylinders. patent, GB-190727664-A: Improvements in and relating to Boots and Shoes. patent, GB-190727827-A: Improved Clamp for Binding Together Wooden Boards, Planks and the like. patent, GB-190728360-A: Improvements in and relating to Gas Lamps. patent, GB-190800488-A: Means for Separately Collecting Different Portions of Liquid Discharged from a Hydro-extractor. patent, GB-190801654-A: Improvements in and Connected with the Starting of Internal Combustion Engines for Motor Vehicles patent, GB-190801661-A: Improvements in pipe Moulding Machines patent, GB-190801689-A: Improvements in or relating to the Production of Sensitized Surfaces or Films for Photographic Purposes patent, GB-190803524-A: Improvements in Worm Driving Mechanism. patent, GB-190804460-A: Improvements in and relating to Feed Water Heaters or Fuel Economisers for use in connection with Steam Generators. patent, GB-190804541-A: Manufacture of Dyestuffs Containing Sulphur or their Leuco-compounds. patent, GB-190804779-A: Improvements in Ring-spinning and Ring-doubling Machines for Spinning and Doubling Cotton and other Fibrous Materials. patent, GB-190804972-A: Improvements relating to Elastic Tyres for Wheels. patent, GB-190805324-A: A Process Serviceable with Apparatus in the Treatment of Certain Edible Substances to Arrest Decay. patent, GB-190805966-A: Armor Piercing Projectiles or Shells. patent, GB-190807121-A: Improvements in and relating to Blowpipes. patent, GB-190808034-A: Improvements in Instruments for Gauging Internal and External Diameters. patent, GB-190808218-A: Improvements in or relating to the Driving and Speed Reducing Gear of Paper-making machines. patent, GB-190808396-A: Improvements in or relating to Ointments. patent, GB-190808603-A: Improvements in Wheels for Vehicles. patent, GB-190809704-A: Improvements in Traverse Motions of Yarn Winding Machines. patent, GB-190811398-A: Improvements in or connected with Machinery for Measuring and Delivering Given Quantities of Granular Material patent, GB-190812520-A: Improvements in Trouser Presses. patent, GB-190815782-A: Improvements relating to Gas Fires and the like. patent, GB-190816074-A: Improvements in or connected with Inverted Incandescent Gas Burners. patent, GB-190816248-A: Improvements in Metal Plates for Securing Handles to Hand Bags, Suit Cases, Portmanteaux and the like. patent, GB-190817131-A: Improvements in Apparatus for Aerial Propulsion patent, GB-190817829-A: Improved Apparatus for Filling Pastry with Jam patent, GB-190818540-A: Improvements in the Process of Etching. patent, GB-190821309-A: Improvements in or connected with the Securing of Rain-water Down Spouts. patent, GB-190822332-A: Improvements in Loading and Unloading Apparatus. patent, GB-190823096-A: Improvements in or relating to Miners' Safety and other Lamps. patent, GB-190826901-A: New or Improved Controllable Superheat Unit or Apparatus for Superheating or Surcharging Steam. patent, GB-190827806-A: Improvements in and relating to Taximeters. patent, GB-190910003-A: Arrangement of Connections for Electric Tension Measurement Apparatus of Dynamometric Construction. patent, GB-190925179-A: Improvements in Carburetters for Internal Combustion Engines. patent, GB-190925757-A: Improvements in Memorandum Appliances for use with Telephones and the like. patent, GB-190929482-A: Improvements in the Manufacture of Steel. patent, GB-191112009-A: Manufacture of a Monoazo-dyestuff particularly adapted for the Preparation of Violet Colour Lakes. patent, GB-191116182-A: Improvements in the Production of Cast Metal Hinge Flaps and other Cast Metal Articles of which Numbers are Moulded at a Time in the same Moulding Boxes. patent, GB-191207894-A: Improvements in or relating to Cuspidors. patent, GB-191214200-A: Improved System of Wiring and Protecting the Bottom Wires of Wooden Cases for Mineral Water Bottles and the like. patent, GB-191215753-A: Manufacture and Production of Vat Dyes of the Anthracene Series. patent, GB-191226499-A: Improvements in Automatic Telephonic Apparatus. patent, GB-191305347-A: Improvements in or relating to Drying Oils. patent, GB-191309666-A: Improvements in the Process for the Manufacture of Reinforced Glass. patent, GB-191321861-A: Improvements in Air-regenerators for Portable Breathing Apparatus. patent, GB-191423530-A: A Method of Constructing a Piano Keyboard to Accomplish the Mechanical Transposition of Pianoforte Music to a Higher or a Lower Key. patent, GB-191508181-A: Improvements connected with Aiming Circles for Guns. patent, GB-191516151-A: Improvements in Wireless Telegraphy. patent, GB-199356-A: Improvements in or relating to circuit-controlling devices for tabulating machines patent, GB-201001290-D0: Security for communication apparatus patent, GB-201002132-D0: Packaging sixteen patent, GB-201002348-D0: Improvements in antimicrobial drugs patent, 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Patent 1, Patent 2, Patent 3, Patent 4, Patent 5, Patent 6, Patent 7, Patent 8, Patent 9, Patent 10, Patent 11, Patent 12, Patent 13, Patent 14, Patent 15, Patent 16, Patent 17, Patent 18, Patent 19, Patent 20, Patent 21, Patent 22, Patent 23, Patent 24, Patent 25, Patent 26, Patent 27, Patent 28, Patent 29, Patent 30, Patent 31, Patent 32, Patent 33, Patent 34, Patent 35, Patent 36, Patent 37, Patent 38, Patent 39, Patent 40, Patent 41, Patent 42, Patent 43, Patent 44, Patent 45, Patent 46, Patent 47, Patent 48, Patent 49, Patent 50, Patent 51, Patent 52, Patent 53, Patent 54, Patent 55, Patent 56, Patent 57, Patent 58, Patent 59, Patent 60, Patent 61, Patent 62, Patent 63, Patent 64, Patent 65, Patent 66, Patent 67, Patent 68, Patent 69, Patent 70, Patent 71, Patent 72, Patent 73, Patent 74, Patent 75, Patent 76, Patent 77, Patent 78, Patent 79, Patent 80, Patent 81, Patent 82, Patent 83, Patent 84, Patent 85, Patent 86, Patent 87, Patent 88, Patent 89, Patent 90, Patent 91, Patent 92, Patent 93, Patent 94, Patent 95, Patent 96, Patent 97, Patent 98, Patent 99, Patent 100, Sitemap