TREA

Didier Pierrejean

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  • Sevrier, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Turbomolecular vacuum pump
    • Patent number 5,542,825
    • Issue date Aug 6, 1996
    • Alcatel Cit
    • Denis Perrillat-Amede
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electromagnetic bearing
    • Patent number 5,304,876
    • Issue date Apr 19, 1994
    • Alcatel Cit
    • Guy Lemarquand
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vacuum pump for producing a clean molecular vacuum
    • Patent number 5,106,273
    • Issue date Apr 21, 1992
    • Alcatel Cit
    • Guy Lemarquand
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...