Patents by Inventor Reinhold Hafen

Reinhold Hafen 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).

  • Switch and switch device for a motor vehicle
    Patent number: 6635972
    Abstract: The invention relates to an electrical switch, in particular for a motor vehicle. The switch has a housing in which a contact system is located. Electrical connections which are located on the housing lead to the contact system, of which electrical connections first electrical connections are used to apply a power voltage for a high power current, and second electrical connections are used to apply a signal voltage for a low signal current. Optionally and if required, one connection can carry the power current via the first electrical connections and/or the signal current via the second electrical connections. Electrical switches designed in such a way are particularly suitable for arrangement in a control panel for a motor vehicle.
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: October 21, 2003
    Assignee: Marquardt GmbH
    Inventors: Klaus Barthel, Reinhold Hafen, Karl Mueller