Patents by Inventor James L. Lohrke

James L. Lohrke 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).

  • Flexible surface deformation-resistant graphite foil
    Patent number: 4752518
    Abstract: In a graphite material comprising a mass of expanded graphite particles compressed together so as to form a graphite foil, the graphite foil is provided with a plurality of apertures disposed on at least one surface thereof so as to substantially prevent formation of bubble-like deformations which occur when the graphite foil is heated and/or placed in a vacuum. The method of making the invented foil and devices used to make said foil are also disclosed.
    Type: Grant
    Filed: July 31, 1986
    Date of Patent: June 21, 1988
    Assignee: Polycarbon, Inc.
    Inventors: James L. Lohrke, Janet M. Sterry, Michael D. Lyons