TREA

Karl K. LaFleur

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  • Weatherford, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filling and circulating apparatus for subsurface exploration
    • Patent number 6,978,844
    • Issue date Dec 27, 2005
    • LaFleur Petroleum Services, Inc.
    • Karl K. LaFleur
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pressure relief valve
    • Patent number 6,510,867
    • Issue date Jan 28, 2003
    • LaFleur Petroleum Services, Inc.
    • Karl K. LaFleur
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mudsaver valve
    • Patent number 6,460,620
    • Issue date Oct 8, 2002
    • Weatherford/Lamb, Inc.
    • Karl K. LaFleur
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cementing plug
    • Patent number 5,435,386
    • Issue date Jul 25, 1995
    • LaFleur Petroleum Services, Inc.
    • Karl K. LaFleur
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cementing plug
    • Patent number 5,433,270
    • Issue date Jul 18, 1995
    • LaFleur Petroleum Services, Inc.
    • Karl K. LaFleur
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cementing plug
    • Patent number 5,361,835
    • Issue date Nov 8, 1994
    • LaFleur Petroleum Services, Inc.
    • Karl K. LaFleur
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Coupling apparatus
    • Patent number 5,348,351
    • Issue date Sep 20, 1994
    • LaFleur Petroleum Services, Inc.
    • Karl K. LaFleur
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cementing plug
    • Patent number 5,311,940
    • Issue date May 17, 1994
    • LaFleur Petroleum Services, Inc.
    • Karl K. LaFleur
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cementing plug
    • Patent number 5,242,018
    • Issue date Sep 7, 1993
    • LaFleur Petroleum Services, Inc.
    • Karl K. LaFleur
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Coupling apparatus
    • Patent number 5,152,554
    • Issue date Oct 6, 1992
    • LaFleur Petroleum Services, Inc.
    • Karl K. LaFleur
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Filling and circulating apparatus for subsurface exploration
    • Publication number 20050000695
    • Publication date Jan 6, 2005
    • LaFleur Petroleum Services, Inc.
    • Karl K. LaFleur
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Mudsaver valve
    • Publication number 20020096334
    • Publication date Jul 25, 2002
    • Karl K. LaFleur
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Pressure relief valve
    • Publication number 20020059955
    • Publication date May 23, 2002
    • Karl K. LaFleur
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...