Patents by Inventor Josef Dambacher

Josef Dambacher 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).

  • SIMPLE FRICTIONAL WELD
    Publication number: 20100275873
    Abstract: A cooling channel piston for an internal combustion engine which includes a piston bottom and a piston shaft that are joined thereto of a friction welding process. The piston bottom and the piston shaft jointly form a cooling channel. An annular wall which radially delimits the cooling channel towards the outside is formed by the piston bottom and/or the piston shaft. The annular wall can be sealed by a welding process once the piston bottom and the piston shaft have been joined together.
    Type: Application
    Filed: September 29, 2005
    Publication date: November 4, 2010
    Applicant: KS KOLBENSCHMIDT GMBH
    Inventors: Volker Gniesmer, Gerhard Luz, Jochen Müller, Christian Schaller, Ernst Peter Schmitz, Peter Kolbe, Josef Dambacher