TREA

J. C. Birdwell

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mud pump
    • Patent number 5,616,009
    • Issue date Apr 1, 1997
    • J. C. Birdwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid means for data transmission
    • Patent number 4,932,005
    • Issue date Jun 5, 1990
    • J. C. Birdwell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Variable orifice control means
    • Patent number 4,869,100
    • Issue date Sep 26, 1989
    • J. C. Birdwell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mud pump
    • Patent number 4,676,724
    • Issue date Jun 30, 1987
    • J. C. Birdwell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pumping system and method of operating the same
    • Patent number 4,611,973
    • Issue date Sep 16, 1986
    • P & B Industries
    • J. C. Birdwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mud pump
    • Patent number 4,541,779
    • Issue date Sep 17, 1985
    • J. C. Birdwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mud pump
    • Patent number 4,500,267
    • Issue date Feb 19, 1985
    • J. C. Birdwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulically operated downhole motor
    • Patent number 4,098,359
    • Issue date Jul 4, 1978
    • J. C. Birdwell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe handling apparatus for pipe laying barges
    • Patent number 4,067,450
    • Issue date Jan 10, 1978
    • Midcon Pipeline Equipment Co.
    • J. C. Birdwell
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Adjustable rollers for positioning pipe
    • Patent number 4,062,456
    • Issue date Dec 13, 1977
    • Midcon Pipeline Equipment Co.
    • J. C. Birdwell
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pipe handling apparatus for pipe laying barges
    • Patent number 4,061,231
    • Issue date Dec 6, 1977
    • Midcon Pipeline Equipment Co.
    • J. C. Birdwell
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pipe handling apparatus for pipe laying barges
    • Patent number 4,029,215
    • Issue date Jun 14, 1977
    • Midcon Pipeline Equipment Co.
    • J. C. Birdwell
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    System for laying pipe
    • Patent number 4,016,393
    • Issue date Apr 5, 1977
    • Midcon Pipeline Equipment Co.
    • J. C. Birdwell
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pipe handling apparatus for pipe laying barges
    • Patent number 3,984,007
    • Issue date Oct 5, 1976
    • Mid-Continent Pipeline Equipment Co.
    • J. C. Birdwell
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL