Patents by Inventor William C. Richmond, Jr.

William C. Richmond, Jr. 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).

  • Smoke seal for coke oven pusher machine leveler bar
    Patent number: 4264263
    Abstract: An apparatus for sealing the air gap between a leveler bar and the chuck door opening in a coke oven having spring loaded rollers as side and top seals between the leveler bar and a surrounding smoke seal box. The smoke seal box is pressed into a sealing engagement with the frame surrounding the chuck door opening via a spring plate assembly. Also a swing gate assembly provides a coal seal between the bottom of the smoke seal and the bottom of the leveler bar.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: April 28, 1981
    Assignee: Bethlehem Steel Corporation
    Inventor: William C. Richmond, Jr.