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Pilkington Brothers P.L.C.

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Patents Grantslast 30 patents

  • Information Patent Grant

    Coated glass
    • Patent number 4,894,290
    • Issue date Jan 16, 1990
    • Pilkington Brothers P.L.C.
    • Peter Chesworth
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Dual path interferometer with varying difference in path length
    • Patent number 4,872,756
    • Issue date Oct 10, 1989
    • Pilkington Brothers plc
    • Barry R. Hill
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Process for manufacturing photochromic articles
    • Patent number 4,851,471
    • Issue date Jul 25, 1989
    • Pilkington Brothers P.L.C.
    • William R. Maltman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Current probe
    • Patent number 4,825,154
    • Issue date Apr 25, 1989
    • Pilkington Brothers P.L.C.
    • Geoffrey Cross
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Opaque cladding panel
    • Patent number 4,819,405
    • Issue date Apr 11, 1989
    • Pilkington Brothers P.L.C.
    • James R. Jackson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Window Panel
    • Patent number 4,817,347
    • Issue date Apr 4, 1989
    • Pilkington Brothers P.L.C.
    • Derek L. A. Hand
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Impact-resistant laminate
    • Patent number 4,812,359
    • Issue date Mar 14, 1989
    • Pilkington Brothers P.L.C.
    • Christopher W. G. Hall
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Television face plates resistant to browning
    • Patent number 4,786,619
    • Issue date Nov 22, 1988
    • Pilkington Brothers P.L.C.
    • Alan H. Gerrard
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Glass melting tanks and refractory material therefor
    • Patent number 4,764,198
    • Issue date Aug 16, 1988
    • Pilkington Brothers P.L.C.
    • Stanley Lythgoe
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Heat strengthened glass
    • Patent number 4,759,788
    • Issue date Jul 26, 1988
    • Pilkington Brothers P.L.C.
    • Peter Ward
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Manufacture of curved glass sheets
    • Patent number 4,755,204
    • Issue date Jul 5, 1988
    • Pilkington Brothers P.L.C.
    • James Boardman
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Production of infrared reflecting coatings on glass
    • Patent number 4,725,452
    • Issue date Feb 16, 1988
    • Pilkington Brothers P.L.C.
    • Edward Hargreaves
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Sealed double glazing unit
    • Patent number 4,680,206
    • Issue date Jul 14, 1987
    • Pilkington Brothers P.L.C.
    • Brian Yoxon
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Gripper apparatus for stacking a batch of sheets
    • Patent number 4,673,325
    • Issue date Jun 16, 1987
    • Pilkington Brothers P.L.C.
    • John J. Jago
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Treatment of trees and bushes
    • Patent number 4,655,001
    • Issue date Apr 7, 1987
    • Pilkington Brothers P.L.C.
    • Nicholas W. Lepp
    • C05 - FERTILISERS MANUFACTURE THEREOF
  • Information Patent Grant

    Window Panel
    • Patent number 4,645,146
    • Issue date Feb 24, 1987
    • Pilkington Brothers P.L.C.
    • Christopher W. G. Hall
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Laminated obscuration banded windows for vehicles
    • Patent number 4,644,139
    • Issue date Feb 17, 1987
    • Pilkington Brothers P.L.C.
    • Peter J. Harrison
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Apparatus for and method of coating glass
    • Patent number 4,642,130
    • Issue date Feb 10, 1987
    • Pilkington Brothers P.L.C.
    • Edward Hargreaves
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Apparatus for collecting material which becomes dislodged from the...
    • Patent number 4,620,627
    • Issue date Nov 4, 1986
    • Pilkington Brothers P.L.C.
    • Arthur Griffiths
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Mixer for mixing fibres into a slurry
    • Patent number 4,614,439
    • Issue date Sep 30, 1986
    • Pilkington Brothers P.L.C.
    • William H. Brunt
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Apparatus for the deposition of multi-layer coatings
    • Patent number 4,592,306
    • Issue date Jun 3, 1986
    • Pilkington Brothers P.L.C.
    • Jose M. Gallego
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Process for coating glass
    • Patent number 4,584,208
    • Issue date Apr 22, 1986
    • Pilkington Brothers P.L.C.
    • Edward Hargreaves
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Glass assembly
    • Patent number 4,581,868
    • Issue date Apr 15, 1986
    • Pilkington Brothers P.L.C.
    • James D. McCann
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Cationic surface coating of flat glass
    • Patent number 4,544,395
    • Issue date Oct 1, 1985
    • Pilkington Brothers Limited
    • Brian Evans
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Handling sheets of material
    • Patent number 4,522,544
    • Issue date Jun 11, 1985
    • Pilkington Brothers P.L.C.
    • Ramesh C. R. Shah
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Treatment of coated glass
    • Patent number 4,513,543
    • Issue date Apr 30, 1985
    • Pilkington Brothers P.L.C.
    • Jack Lawrenson
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Thermally toughening glass
    • Patent number 4,511,384
    • Issue date Apr 16, 1985
    • Pilkington Brothers P.L.C.
    • John Evason
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Thermally toughening glass
    • Patent number 4,494,972
    • Issue date Jan 22, 1985
    • Pilkington Brothers P.L.C.
    • Brian Marsh
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Method of and apparatus for thermally toughening glass
    • Patent number 4,493,723
    • Issue date Jan 15, 1985
    • Pilkington Brothers P.L.C.
    • John Evason
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    Mixer for mixing fibres into a slurry
    • Patent number 4,475,817
    • Issue date Oct 9, 1984
    • Pilkington Brothers P.L.C.
    • William H. Brunt
    • B28 - WORKING CEMENT, CLAY, OR STONE