TREA

Stefan Hettich

Follow

Person

  • Schramberg, DE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing a threaded insert with an internal and externa...
    • Patent number 8,449,235
    • Issue date May 28, 2013
    • Ludwig Hettich & Co.
    • Ulrich Hettich
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Screw anchor for fastening add-on parts in concrete or brickwork
    • Patent number 8,430,617
    • Issue date Apr 30, 2013
    • Ludwig Hettich & Co.
    • Stefan Hettich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thread-cutting screw
    • Patent number 6,623,228
    • Issue date Sep 23, 2003
    • Ludwig Hettich & Company
    • Ulrich Hettich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thread forming screw
    • Patent number 5,674,035
    • Issue date Oct 7, 1997
    • Ludwig Hettich Schraubenfabrik GmbH & Co.
    • Stefan Hettich
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents