Patents by Inventor Harald E. Adelmann

Harald E. Adelmann 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).

  • Electrical device having a bonded ceramic-copper heat transfer medium
    Patent number: 5355281
    Abstract: The present invention relates to an electrical device such as a resistor or silicon controlled rectifier that is provided with an improved heat transfer medium for transferring heat from the device to an adjacent structure such as a mounting panel. The improved heat transfer medium includes a bonded series of laminates including a layer of nickel-plated copper sandwiched between two layers of ceramic, such as aluminum oxide.
    Type: Grant
    Filed: June 29, 1993
    Date of Patent: October 11, 1994
    Assignee: E.B.G. Elektronische Bauelemente Gesellschaft m.b.H.
    Inventors: Harald E. Adelmann, Hans P. Peschl