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Pilkington Brothers Limited

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  • St. Helens, EN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Glass fiber reinforced cement composite materials
    • Patent number 4,093,471
    • Issue date Jun 6, 1978
    • Pilkington Brothers Limited
    • Ian Robert Kennedy Greig
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Photochromic glasses
    • Patent number 4,092,174
    • Issue date May 30, 1978
    • Pilkington Brothers Limited
    • Edric Ellis
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Apparatus for coating glass
    • Patent number 4,088,471
    • Issue date May 9, 1978
    • Pilkington Brothers Limited
    • Bernard J. Kirkbride
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Photochromic alumino-phosphate glasses
    • Patent number 4,088,501
    • Issue date May 9, 1978
    • Pilkington Brothers Limited
    • Edric Ellis
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Electrolytic ion migration into glass
    • Patent number 4,086,073
    • Issue date Apr 25, 1978
    • Pilkington Brothers Limited
    • David Gordon Loukes
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Glass melting tank with temperature control and method of melting
    • Patent number 4,082,528
    • Issue date Apr 4, 1978
    • Pilkington Brothers Limited
    • Stanley Lythgoe
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Controlled method for the production of clad glass rod
    • Patent number 4,076,512
    • Issue date Feb 28, 1978
    • Pilkington Brothers Limited
    • James Robert Mellor
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Breaking flat glass into cullet
    • Patent number 4,076,159
    • Issue date Feb 28, 1978
    • Pilkington Brothers Limited
    • Joseph Farragher
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Apparatus for cutting or scoring sheet material
    • Patent number 4,070,936
    • Issue date Jan 31, 1978
    • Pilkington Brothers Limited
    • Angus Dougal Duncan
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Coating compositions for glass fibres
    • Patent number 4,062,690
    • Issue date Dec 13, 1977
    • Pilkington Brothers Limited
    • Kenneth Leslie Litherland
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Manufacture of glass
    • Patent number RE29464
    • Issue date Nov 1, 1977
    • Pilkington Brothers Limited
    • David Gordon Loukes
    • 065 - Glass manufacturing
  • Information Patent Grant

    Method and apparatus for conditioning molten glass
    • Patent number 4,052,186
    • Issue date Oct 4, 1977
    • Pilkington Brothers Limited
    • William Jackson Rhodes
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Method and apparatus for refining glass in a melting tank
    • Patent number 4,046,546
    • Issue date Sep 6, 1977
    • Pilkington Brothers Limited
    • William Christie Hynd
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Alkali-resistant glass compositions
    • Patent number 4,036,654
    • Issue date Jul 19, 1977
    • Pilkington Brothers Limited
    • Brian Yale
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Method for coating glass
    • Patent number 4,019,887
    • Issue date Apr 26, 1977
    • Pilkington Brothers Limited
    • Bernard James Kirkbride
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Glass compositions
    • Patent number 4,014,705
    • Issue date Mar 29, 1977
    • Pilkington Brothers Limited
    • Brian Yale
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Interleaving materials comprising particulate separator and acidic...
    • Patent number 4,011,359
    • Issue date Mar 8, 1977
    • Pilkington Brothers Limited
    • Gordon Thomas Simpkin
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method and apparatus for regulating molten glass flow into a condit...
    • Patent number 4,011,070
    • Issue date Mar 8, 1977
    • Pilkington Brothers Limited
    • William Christie Hynd
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Manufacture of float glass
    • Patent number 4,001,476
    • Issue date Jan 4, 1977
    • Pilkington Brothers Limited
    • William Ramsey Maltman
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Glass melting
    • Patent number 3,997,315
    • Issue date Dec 14, 1976
    • Pilkington Brothers Limited
    • William Jackson Rhodes
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Glass manufacturing apparatus and process
    • Patent number 3,996,034
    • Issue date Dec 7, 1976
    • Pilkington Brothers Limited
    • Charles Ronald Taylor
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Glass melting
    • Patent number 3,989,497
    • Issue date Nov 2, 1976
    • Pilkington Brothers Limited
    • George Alfred Dickinson
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Production of glass fibers
    • Patent number 3,985,530
    • Issue date Oct 12, 1976
    • Pilkington Brothers Limited
    • William Christie Hynd
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Method of moulding and tempering glass articles
    • Patent number 3,973,942
    • Issue date Aug 10, 1976
    • Pilkington Brothers Limited
    • Ernesto Coen
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Stirring of molten glass
    • Patent number 3,971,646
    • Issue date Jul 27, 1976
    • Pilkington Brothers Limited
    • William Jackson Rhodes
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Detection and reduction of roll bowing
    • Patent number 3,961,928
    • Issue date Jun 8, 1976
    • Pilkington Brothers Limited
    • John James Jago
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus and method for moulding glass objects
    • Patent number 3,961,927
    • Issue date Jun 8, 1976
    • Pilkington Brothers Limited
    • John Victor Alderson
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Manufacture of flat glass
    • Patent number 3,961,930
    • Issue date Jun 8, 1976
    • Pilkington Brothers Limited
    • Albert Sidney Robinson
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Manufacture of glass
    • Patent number 3,958,969
    • Issue date May 25, 1976
    • Pilkington Brothers Limited
    • David Gordon Loukes
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Coating compositions for glass fibres
    • Patent number 3,954,490
    • Issue date May 4, 1976
    • Pilkington Brothers Limited
    • David Ralph Cockram
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

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