Patents by Inventor Werner Landvatter

Werner Landvatter 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).

  • Piston for internal combustion engines
    Patent number: 6345599
    Abstract: A light metal piston for internal combustion engines which includes a bearing bushing comprising a shell wrapped from a rolled strip or band shaped metal material. The shell has a butt joint which is closed in a pressed-in state, with a preferred orientation of the metallurgical grain areas being formed in the circumferential direction of the shell.
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: February 12, 2002
    Assignee: KS Kolbenschmidt GmbH
    Inventors: Harald Pfestorf, Siegfried Mielke, Werner Landvatter, Emmerich Ottliczky