TREA

Frederick G. Wietig

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  • West Falls, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston ring having hard multi-layer coating
    • Patent number 8,033,550
    • Issue date Oct 11, 2011
    • Sulzer Metaplas GmbH
    • Jean-Marie Jacquet
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Engine valve
    • Patent number 5,441,024
    • Issue date Aug 15, 1995
    • Val-Kro, Inc.
    • Frederick G. Wietig
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Engine valve
    • Patent number 5,190,002
    • Issue date Mar 2, 1993
    • Val-Kro, Inc.
    • Frederick G. Wietig
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Piston Ring Having Hard Multi-Layer Coating
    • Publication number 20080203674
    • Publication date Aug 28, 2008
    • N.V. BEKAERT S.A.
    • Jean-Marie Jacquet
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...