TREA

Denis S. Ward

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  • Walton-on-Thames, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Solids transfer system
    • Patent number 4,557,637
    • Issue date Dec 10, 1985
    • The British Petroleum Company Limited
    • John L. Barclay
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Separation equipment
    • Patent number 4,411,791
    • Issue date Oct 25, 1983
    • The British Petroleum Company, p.l.c.
    • Denis S. Ward
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL