TREA

Ernst Winter & Sohn GmbH & Co.

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  • Hamburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Saw
    • Patent number 5,465,706
    • Issue date Nov 14, 1995
    • Ernst Winter & Sohn GmbH & Co.
    • Wlodzimierz Sawluk
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Process for treating diamond grains
    • Patent number 5,035,771
    • Issue date Jul 30, 1991
    • Ernst Winter & Sohn GmbH & Co.
    • Dietrich Borse
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Method of trueing of grinding disks
    • Patent number 4,475,321
    • Issue date Oct 9, 1984
    • Ernst Winter & Sohn GmbH & Co.
    • Hans-Robert Meyer
    • B24 - GRINDING POLISHING