Patents by Inventor Helmut Poellath

Helmut Poellath 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 for the formation of a frangible zone for the fracture separation of a machine part, in particular, a connecting rod for internal combustion engines
    Patent number: 5882438
    Abstract: For a method for the formation of a frangible zone for fracture separation of a part, namely a connecting rod for internal combustion engines, by which method, in a fracture plane for the intended triggered break-away, a frangible zone is formed along a side of the plane, through which, ordered depressions with ribs are developed from the surface, there is proposed that in the case of a part comprised of ductile metal, the ribs are at least sectionally embrittled, i.e. penetratingly hardened, for intended formation of initial starting cracks.
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: March 16, 1999
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Clemens Luchner, Helmut Poellath, Helmut Hochsteiner