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Ludwig Hettich & Co.

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  • Schramberg-Sulgen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and rolling die for manufacturing a screw
    • Patent number 9,192,980
    • Issue date Nov 24, 2015
    • Ludwig Hettich & Co.
    • Ulrich Hettich
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Production of a planned distribution of internal stress in componen...
    • Patent number 9,151,314
    • Issue date Oct 6, 2015
    • Ludwig Hettich & Co.
    • Ulrich Hettich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method and rolling die for producing a screw with a variable thread...
    • Patent number 9,017,176
    • Issue date Apr 28, 2015
    • Ludwig Hettich & Co.
    • Ulrich Hettich
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Thread-furrowing screw
    • Patent number 8,920,093
    • Issue date Dec 30, 2014
    • Ludwig Hettich & Co.
    • Ulrich Hettich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    Head of a countersunk screw
    • Patent number 8,337,131
    • Issue date Dec 25, 2012
    • Ludwig Hettich & Co.
    • Ulrich Hettich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Countersunk head screw
    • Patent number 8,231,320
    • Issue date Jul 31, 2012
    • Ludwig Hettich & Company
    • Ulrich 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

    Screw with cutting edge
    • Patent number 6,328,516
    • Issue date Dec 11, 2001
    • Ludwig Hettich & Co.
    • Ulrich Hettich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents