Patents by Inventor Otwin Kistner

Otwin Kistner 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).

  • Combination wrench socket
    Patent number: 8113093
    Abstract: A combination wrench socket is provided that includes, but is not limited to a one-piece outer part, in the form of a wrench socket having an inner part situated therein, a first tool head molded onto the inner part, and a second tool head, designed differently there from, molded onto the outer part, in which the outer part is designed in such a way that it has at least one retention element for the lockable fastening of a tool head.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: February 14, 2012
    Assignee: GM Global Technology Operations LLC
    Inventor: Otwin Kistner
  • COMBINATION WRENCH SOCKET
    Publication number: 20090133541
    Abstract: A combination wrench socket is provided that includes, but is not limited to a one-piece outer part, in the form of a wrench socket having an inner part situated therein, a first tool head molded onto the inner part, and a second tool head, designed differently there from, molded onto the outer part, in which the outer part is designed in such a way that it has at least one retention element for the lockable fastening of a tool head.
    Type: Application
    Filed: November 19, 2008
    Publication date: May 28, 2009
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventor: Otwin KISTNER