Patents by Inventor Jürgen-Michael Welck

Jürgen-Michael Welck has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Laser processing head
    Patent number: 7605342
    Abstract: A laser processing head includes a first housing region associated with a beam guidance of a laser processing machine, a second housing region associated with the laser processing head, and an aperture in a wall separating the first and second housing regions. The head is configured such that a laser beam may pass sequentially through the beam guidance, the first housing region, the aperture, and the second housing, and the first housing region includes a first gas atmosphere associated with the beam guidance and maintained at a higher pressure than a second gas atmosphere in the second housing region.
    Type: Grant
    Filed: August 5, 2005
    Date of Patent: October 20, 2009
    Assignee: TRUMPF Werkzeugmaschinen GmbH + Co. KG
    Inventors: Martin Lambert, Jürgen-Michael Welck