Patents by Inventor Dietmar Trennar

Dietmar Trennar 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).

  • Mechanical coin tester
    Publication number: 20060054456
    Abstract: A mechanical coin tester with a coin insert slot and a coin runner channel connecting thereto is suggested, wherein a coin scales is allocated to the coin runner channel, said scales include an ejector projecting into the channel and a weight fastened on the ejector. The weight is adapted to the weight of a coin to be let through. A fixing element capable of being actuated by an electromagnet is allocated to the coin scales and this element fixes the ejector in its ejection position or releases it from this, depending on a control signal.
    Type: Application
    Filed: August 23, 2005
    Publication date: March 16, 2006
    Applicant: Walter Hanke Mechanische Werkstatten GmbH & Co. KG
    Inventor: Dietmar Trennar