TREA

Norbert W. Overfield

Follow

Person

  • Corry, PA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Positive displacement compressor
    • Patent number 5,411,054
    • Issue date May 2, 1995
    • Norbert W. Overfield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating compressor valve
    • Patent number 5,311,902
    • Issue date May 17, 1994
    • Norbert W. Overfield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable clearance pocket piston positioning device
    • Patent number 4,775,299
    • Issue date Oct 4, 1988
    • Cooper Industries, Inc.
    • Norbert W. Overfield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...