Patents by Inventor Charles D. Gorman

Charles D. Gorman 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).

  • Patent number: 4318635
    Abstract: A low-profile culvert structure comprising in combination, a plurality of arch-shaped corrugated structural metallic sheets secured to each other in such a manner as to form an elongated shell having typically a low rise to span ratio, and a plurality of transverse reinforcing ribs, each in the form of a corrugated metallic sheet. The transverse reinforcing ribs are secured to said shell at intervals along the length thereof, preferably to both the interior and exterior of the elongated shell.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: March 9, 1982
    Assignee: Bethlehem Steel Corporation
    Inventors: Mark A. Gurtner, Charles D. Gorman