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David A. Christie

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  • Bartlesville, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Catalyst regenerator control
    • Patent number 4,217,243
    • Issue date Aug 12, 1980
    • Phillips Petroleum Company
    • David A. Christie
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fractionation control
    • Patent number 4,096,574
    • Issue date Jun 20, 1978
    • Phillips Petroleum Company
    • David A. Christie
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Automatic control of a hydrocracker
    • Patent number 3,981,793
    • Issue date Sep 21, 1976
    • Phillips Petroleum Company
    • David A. Christie
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL