TREA

Knut Horvei

Follow

Person

  • Sandnes, NO
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Valve arrangement
    • Patent number 5,413,310
    • Issue date May 9, 1995
    • Den Norske Stats Oljeselskap A.S.
    • Knut V. Horvei
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Converter group and pressure converter for use therein
    • Patent number 5,375,671
    • Issue date Dec 27, 1994
    • Den Norske Stats Oljeselskap A.S.
    • Knut V. Horvei
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pressure converter
    • Patent number 5,361,857
    • Issue date Nov 8, 1994
    • Den Norske Stats Oljeselskap A.S.
    • Knut V. Horvei
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rotatable valve having upper and lower parts
    • Patent number 5,224,829
    • Issue date Jul 6, 1993
    • Den Norske Stats Oljeselskap A.S.
    • Knut V. Horvei
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve and actuator for operating valves and the like
    • Patent number 5,154,395
    • Issue date Oct 13, 1992
    • Den Norske Stats Oljeselskap A.S.
    • Knut V. Horvei
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ceramic coating
    • Patent number 5,112,698
    • Issue date May 12, 1992
    • Den Norske Stats Oljeselskap A.S.
    • Knut Horvei
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Ceramic coating
    • Patent number 4,988,538
    • Issue date Jan 29, 1991
    • Den Norske Stats Oljeselskap A.S.
    • Knut Horvei
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Shut-down valve
    • Patent number 4,921,003
    • Issue date May 1, 1990
    • Den norske stats olkeselskap
    • Knut Horvei
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus for maintenance of ball valve
    • Patent number 4,901,752
    • Issue date Feb 20, 1990
    • Statoil
    • Knut Horvei
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanism for locking of a cover againt a flange
    • Patent number 4,850,505
    • Issue date Jul 25, 1989
    • Den Norske Stats Oljeselskap A.S.
    • Knut Horvei
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve
    • Patent number 4,727,901
    • Issue date Mar 1, 1988
    • Den Norske Stats Oljeselskap A.S.
    • Knut Horvei
    • E21 - EARTH DRILLING MINING