TREA

Trevor G. Stafford

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  • Whitley Bay, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of lining a pipeline
    • Patent number 5,368,669
    • Issue date Nov 29, 1994
    • British Gas PLC
    • Leslie Maine
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Polyolefin coupler for joining polyolefin pipes
    • Patent number 5,328,210
    • Issue date Jul 12, 1994
    • British Gas plc
    • Trevor G. Stafford
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of forming a welded joint between polyolefinic members
    • Patent number 5,296,073
    • Issue date Mar 22, 1994
    • British Gas PLC
    • Trevor G. Stafford
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for joining polyolefin pipes by fusion
    • Patent number 5,007,767
    • Issue date Apr 16, 1991
    • British Gas Corporation
    • Trevor G. Stafford
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Joining polyolefinic members by fusion
    • Patent number 4,987,018
    • Issue date Jan 22, 1991
    • British Gas PLC
    • Alan J. Dickinson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for joining polyolefin pipes by fusion
    • Patent number 4,981,541
    • Issue date Jan 1, 1991
    • British Gas Corporation
    • Trevor G. Stafford
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Joining polyolefinic members by fusion
    • Patent number 4,963,421
    • Issue date Oct 16, 1990
    • British Gas PLC
    • Alan J. Dickinson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for fusion joining of thermoplastic pipes
    • Patent number 4,640,732
    • Issue date Feb 3, 1987
    • British Gas Corporation
    • Trevor G. Stafford
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL