Patents by Inventor Christian F. Kemp

Christian F. Kemp 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: 4863536
    Abstract: An electrical component, such as a joint between bus bars, is insulated by wrapping therearound a sheet of gel-like material, and manually causing it to conform to the joint. The material is curable by ultra-violet radiation, and this is directed on to the wrapped sheet to cause it to harden. A recoverable tube may be mounted over the sheet, before or after curing, to provide additional protection.
    Type: Grant
    Filed: March 18, 1988
    Date of Patent: September 5, 1989
    Assignee: Raychem GmbH
    Inventors: Frank Heidenhain, Christian F. Kemp
  • Patent number: 4790544
    Abstract: A seal in an aperture, e.g., a duct, is made by foaming a foamable substrate within an envelope in the aperture, to expand the envelope, which desirably has sealant or adhesive on its outer surface, to conform it into sealing engagement with the aperture. The envelope is closed and is of wraparound configuration so as to seal a large variety of aperture sizes, whether empty or containing objects, such as cables.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: December 13, 1988
    Assignee: Raychem GmbH
    Inventor: Christian F. Kemp