Chudleigh B. Cochran

Person

  • Houston, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Landing collar and float valve assembly

    • Patent number 5,058,672
    • Issue date Oct 22, 1991
    • Lindsey Completion Systems, Inc.
    • Chudleigh B. Cochran
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe insert assembly

    • Patent number 5,058,671
    • Issue date Oct 22, 1991
    • Lindsey Completion Systems, Inc.
    • Chudleigh B. Cochran
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pressure operated circulation valve

    • Patent number 5,048,611
    • Issue date Sep 17, 1991
    • Lindsey Completion Systems, Inc.
    • Chudleigh B. Cochran
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Double nut setting tool and linger hanger assembly

    • Patent number 5,048,612
    • Issue date Sep 17, 1991
    • Lindsey Completion Systems, Inc.
    • Chudleigh B. Cochran
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Continuous flow perforation washing tool and method

    • Patent number 4,519,456
    • Issue date May 28, 1985
    • Hughes Tool Company
    • Chudleigh B. Cochran
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well working rig

    • Patent number 4,267,675
    • Issue date May 19, 1981
    • Brown; Joe R.
    • Chudleigh B. Cochran
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well tool with pressure responsive tightening means

    • Patent number 4,131,160
    • Issue date Dec 26, 1978
    • Brown Oil Tools, Inc.
    • Chudleigh B. Cochran
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well packer

    • Patent number 4,071,084
    • Issue date Jan 31, 1978
    • Brown Oil Tools, Inc.
    • Joe R. Brown
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Swivel assembly

    • Patent number 4,030,546
    • Issue date Jun 21, 1977
    • Brown Oil Tools, Inc.
    • Jerry L. Rogers
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well packer

    • Patent number 4,018,274
    • Issue date Apr 19, 1977
    • Brown Oil Tools, Inc.
    • Chudleigh B. Cochran
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well tool which changes reciprocating movement to rotary motion

    • Patent number 4,015,662
    • Issue date Apr 5, 1977
    • Brown Oil Tools, Inc.
    • Chudleigh B. Cochran
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Check valve assembly

    • Patent number 3,973,587
    • Issue date Aug 10, 1976
    • Brown Oil Tools, Inc.
    • Chudleigh B. Cochran
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus and method for cementing well liners

    • Patent number 3,934,652
    • Issue date Jan 27, 1976
    • Brown Oil Tools, Inc.
    • Chudleigh B. Cochran
    • E21 - EARTH DRILLING MINING