Patents by Inventor Markus Wöelfel

Markus Wöelfel 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).

  • Printed circuit board or card comprising a heating wire
    Patent number: 8481897
    Abstract: A printed circuit board or card (1) has an electric circuit (1a) and at least one electrically insulated conductive heating wire (2), the heating wire (2) being wire-printed on or in the printed circuit board or card. Heating wire (2) can be connected at connection points (4) to a voltage source (not shown) to be provided on or in the printed circuit board or card (1).
    Type: Grant
    Filed: January 24, 2006
    Date of Patent: July 9, 2013
    Assignee: Jumatech, GmbH
    Inventor: Markus Wöelfel