Patents by Inventor Christian Bömcke

Christian Bömcke 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).

  • Method of manufacturing of fastening elements
    Patent number: 6234913
    Abstract: A method for manufacturing of fastening elements (5, 6) and including producing a blank (1) having a length exceeding a combined length of two fastening elements, upsetting a head (2, 3) at each of opposite ends of the blank (1), heating a section of the blank (1) located between the opposite heads (2, 3) formed at the opposite ends of the blank, and, thereafter, pulling apart the heated section (4) until the heated section (4) is separated.
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: May 22, 2001
    Assignee: Hilti Akteingesellschaft
    Inventor: Christian Bömcke