Patents by Inventor James U. Derby

James U. Derby 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).

  • Method for producing a self lubricating coating on a substrate
    Patent number: 5766690
    Abstract: A composite material comprising a matrix including chromium carbide particles, and a solid lubricant mixed with the matrix and including barium fluoride and calcium fluoride. The composite material is spray deposited onto a substrate using a high velocity oxy-fuel (HVOF) spray technique to provide an HVOF spray coating.
    Type: Grant
    Filed: January 20, 1995
    Date of Patent: June 16, 1998
    Assignee: EG&G Sealol, Inc.
    Inventors: James U. Derby, Amitava Datta