Patents by Inventor David K. Lashbrook

David K. Lashbrook 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).

  • Sealing assembly for a coal pulverizer
    Patent number: 6021967
    Abstract: A packing for preventing leakage of air between a rotating yoke of a coal pulverizer and an annular seal surrounding an extension of the yoke. The packing is a ring of compressible graphite. A band encircles the graphite ring and clamps it tightly against the yoke extension and against the seal.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: February 8, 2000
    Assignee: The Detroit Edison Company
    Inventors: Douglas O. Clyne, David K. Lashbrook