TREA

Martin Siemann

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  • Bad Breisig, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Positioning device
    • Patent number 4,867,317
    • Issue date Sep 19, 1989
    • Stabilus GmbH
    • Willi Wildemann
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Temperature-compensating hydraulic positioner
    • Patent number 4,785,921
    • Issue date Nov 22, 1988
    • Stabilus GmbH
    • Hans-Josef Hosan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal for pneumatic, hydraulic or hydropneumatic units
    • Patent number 4,750,594
    • Issue date Jun 14, 1988
    • Stabilus GmbH
    • Martin Siemann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas spring
    • Patent number 4,650,165
    • Issue date Mar 17, 1987
    • Stabilus GmbH
    • Martin Siemann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pneumatic or hydropneumatic tension spring
    • Patent number 4,647,026
    • Issue date Mar 3, 1987
    • Stabilus GmbH
    • Martin Siemann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...