TREA

David A. Prucha

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  • Duncan, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Slurry mixing apparatus
    • Patent number 5,026,168
    • Issue date Jun 25, 1991
    • Halliburton Company
    • Leslie N. Berryman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Slurry mixing apparatus
    • Patent number 4,989,987
    • Issue date Feb 5, 1991
    • Halliburton Company
    • Leslie N. Berryman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Slurry mixing apparatus
    • Patent number 4,930,576
    • Issue date Jun 5, 1990
    • Halliburton Company
    • Leslie N. Berryman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Integrated blending control system
    • Patent number 4,850,750
    • Issue date Jul 25, 1989
    • Halliburton Company
    • Randall B. Cogbill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Transportable integrated blending system
    • Patent number 4,715,721
    • Issue date Dec 29, 1987
    • Halliburton Company
    • Lonnie R. Walker
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL