Patents by Inventor Leland L. Young

Leland L. Young 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).

  • Carbon baking furnace--refractory construction
    Patent number: 4842511
    Abstract: A ring furnace having pits arranged in rows and sections with individual headwalls between adjacent pits in each row and flue sections separating adjacent pits in each section with the flue sections meeting end-to-end to provide a continuous flue on each side of a row of pits. The connection between adjacent flue section ends is adapted to provide for longitudinal expansion and contraction of each flue section, and is also adapted to provide a tight seal between connected flue ends without a need for using a sealing material at such connection.
    Type: Grant
    Filed: December 28, 1987
    Date of Patent: June 27, 1989
    Assignee: Aluminum Company of America
    Inventor: Leland L. Young