Patents by Inventor Marvin O. Smith, Jr.

Marvin O. Smith, 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).

  • Blast furnace support apparatus
    Patent number: 4344607
    Abstract: Support apparatus for a vertically disposed furnace having a unique mantle-to-bosh configuration and lower stack section to provide for expansion and contraction between the mantle and bosh jackets.
    Type: Grant
    Filed: December 1, 1980
    Date of Patent: August 17, 1982
    Assignee: Bethlehem Steel Corporation
    Inventor: Marvin O. Smith, Jr.