TREA

John G. A. Lovegrove

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  • Stalybridge, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for and method of treating a viscous material
    • Patent number 4,793,957
    • Issue date Dec 27, 1988
    • Francis Shaw & Co. (Manchester) Ltd.
    • John G. A. Lovegrove
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Extruder screw
    • Patent number 4,140,400
    • Issue date Feb 20, 1979
    • Francis Shaw & Company
    • John G. A. Lovegrove
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL