Patents by Inventor Desmond C. M. Thomas

Desmond C. M. Thomas 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 methods
    Patent number: 4172598
    Abstract: Doors and other closure members for apertures of high temperature plant e.g. coke ovens, are sealed by a heat-resistant putty, conveniently a clay-based putty, applied in a tubular skin, e.g. of polyethylene. On closing the aperture the skin deforms and bursts to distribute the putty to the mating surfaces.
    Type: Grant
    Filed: June 28, 1976
    Date of Patent: October 30, 1979
    Assignee: Goricon Metallurgical Services Limited
    Inventor: Desmond C. M. Thomas