TREA

Jacobus Hendrikus Petrus Maria Emmen

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  • Rijswijk, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Deformable well screen
    • Patent number 6,012,522
    • Issue date Jan 11, 2000
    • Shell Oil Company
    • Martin Donnelly
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Deformable well screen
    • Patent number 5,901,789
    • Issue date May 11, 1999
    • Shell Oil Company
    • Martin Donnelly
    • E21 - EARTH DRILLING MINING