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Heinz Frey

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  • Menziken, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plate valve
    • Patent number 6,241,211
    • Issue date Jun 5, 2001
    • ABB Alstom Power (Schweiz) AG
    • Heinz Frey
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Actuating drive for a control valve
    • Patent number 5,467,683
    • Issue date Nov 21, 1995
    • ABB Management AG
    • Heinz Frey
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Operating mechanism for a hydraulic actuator having a pressure-prop...
    • Patent number 5,435,227
    • Issue date Jul 25, 1995
    • Asea Brown Boveri AG
    • Heinz Frey
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pipe system
    • Patent number 5,427,419
    • Issue date Jun 27, 1995
    • ASEA Brown Boveri Ltd.
    • Heinz Frey
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Supply circuit for a two-tube hydraulic system
    • Patent number 5,280,807
    • Issue date Jan 25, 1994
    • ASEA Brown Boveri Ltd.
    • Heinz Frey
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic safety and regulating system
    • Patent number 5,269,141
    • Issue date Dec 14, 1993
    • ASEA Brown Boveri Ltd.
    • Edi Burch
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic valve
    • Patent number 5,238,020
    • Issue date Aug 24, 1993
    • ASEA Brown Boveri Ltd.
    • Heinz Frey
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Connecting valve and hydraulic oil safety and power system in which...
    • Patent number 5,217,199
    • Issue date Jun 8, 1993
    • ASEA Brown Boveri Ltd.
    • Heinz Frey
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Actuating drive
    • Patent number 5,193,779
    • Issue date Mar 16, 1993
    • ASEA Brown Boveri Ltd.
    • Heinz Frey
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Actuator
    • Patent number 5,137,253
    • Issue date Aug 11, 1992
    • ASEA Brown Boveri Ltd.
    • Heinz Frey
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic valve actuator
    • Patent number 5,070,766
    • Issue date Dec 10, 1991
    • ASEA Brown Boveri Ltd.
    • Heinz Frey
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...