Patents by Inventor Gunter Schweighofer

Gunter Schweighofer 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).

  • Deep Hole Drill
    Publication number: 20090047080
    Abstract: The present invention concerns a drill, in particular a deep hole drill, comprising a shaft (1) and a portion (2) which has flutes (6) and the length of which is more than three times the nominal diameter (D) and the front end of which is formed by a drill tip which is defined by main cutting edges (5) arranged in frontal relationship at the front end of the drill.
    Type: Application
    Filed: February 8, 2006
    Publication date: February 19, 2009
    Inventors: Gunter Schweighofer, Peter Muller