TREA

Elmar Schwill

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  • Essen, DE
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Patents Applicationslast 30 patents

  • Information Patent Application

    TANDEM BURIED ARC WELDING
    • Publication number 20130200054
    • Publication date Aug 8, 2013
    • LINCOLN GLOBAL, INC.
    • Timothy O'Donnell
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SPIRALLY WELDED CONICAL TOWER SECTIONS
    • Publication number 20100095508
    • Publication date Apr 22, 2010
    • LINCOLN GLOBAL, INC.
    • Patrick Wahlen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...