Patents by Inventor Hartmut Wredenhagen

Hartmut Wredenhagen 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).

  • Patent number: 4569125
    Abstract: A method of wiring an electric device, particularly an electric tool, comprises engaging conductor wires adjacent the ends thereof in bores and/or grooves provided in plastic carrier elements, with bared ends of at least some of the conductor wires protruding from these carrier elements. Then inserting the carrier elements, with the conductor wires engaged therein, into at least part of the housing of the electric device. And, electrically connecting the conductor wires by plugging carrier elements together and/or to an electrical component of the electric device, with said protruding bared ends functioning as plug pins. Preferably, the conductor wires each have a single solid conducting core having a cross-sectional area in the range of 1 to 5 mm. Such relatively rigid wires can be pre-shaped before insertion into a housing of the electric device.
    Type: Grant
    Filed: October 18, 1983
    Date of Patent: February 11, 1986
    Assignee: Black & Decker Inc.
    Inventors: Jurgen Antl, Willi J. Schmidt, Hartmut Wredenhagen