TREA

M. Rifat Ullah

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  • Phoenix, AZ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Circumferential seal with ceramic rotor
    • Patent number 6,322,081
    • Issue date Nov 27, 2001
    • Ceramic Engineering Consulting, Inc.
    • M Rifat Ullah
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil film cooled face seal
    • Patent number 5,639,096
    • Issue date Jun 17, 1997
    • AlliedSignal Inc.
    • M. Rifat Ullah
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Coning resistant face seal having a "U" shape
    • Patent number 5,626,347
    • Issue date May 6, 1997
    • AlliedSignal Inc.
    • M. Rifat Ullah
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Composite face seal
    • Patent number 5,544,896
    • Issue date Aug 13, 1996
    • AlliedSignal Inc.
    • Barry S. Draskovich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...