TREA

Arthur E. Norman

Follow

Person

  • Northridge, CA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Protective control system for diffusion pump
    • Patent number 4,610,603
    • Issue date Sep 9, 1986
    • Torr Vacuum Products, Inc.
    • Arthur E. Norman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Spring loaded plug valve
    • Patent number 4,270,727
    • Issue date Jun 2, 1981
    • Torr Vacuum Products, Inc.
    • Arthur E. Norman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gate valve for use with vacuum equipment
    • Patent number 4,238,111
    • Issue date Dec 9, 1980
    • Torr Vacuum Products, Inc.
    • Arthur E. Norman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spring loaded plug valve
    • Patent number 4,237,920
    • Issue date Dec 9, 1980
    • Torr Vacuum Products, Inc.
    • Arthur E. Norman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid operated gate valve for use with vacuum equipment
    • Patent number 4,157,169
    • Issue date Jun 5, 1979
    • Torr Vacuum Products
    • Arthur E. Norman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...