TREA

Francis Maissant

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  • Oslo, NO
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Patents Grantslast 30 patents

  • Information Patent Grant

    Methods and systems for seismic sensors
    • Patent number 8,027,225
    • Issue date Sep 27, 2011
    • Schlumberger Technology Corporation
    • Masahiro Kamata
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Seismic sensor housing
    • Patent number 8,000,171
    • Issue date Aug 16, 2011
    • WesternGeco L. L. C.
    • Jean-Michel Hache
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Methods and systems for seismic sensors
    • Patent number 7,929,379
    • Issue date Apr 19, 2011
    • Schlumberger Technology Corporation
    • Masahiro Kamata
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Sensor assembly
    • Patent number 7,443,766
    • Issue date Oct 28, 2008
    • WesternGeco L. L. C.
    • Harvey Ray Grimes
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents