Patents by Inventor Gordon G. Chalfant, Jr.

Gordon G. Chalfant, 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).

  • Conical O-ring seal
    Patent number: 4465201
    Abstract: A shipping container for radioactive or other hazardous materials which has a conical-shaped closure containing grooves in the conical surface thereof and an O-ring seal incorporated in each of such grooves. The closure and seal provide a much stronger, tighter and compact containment than with a conventional flanged joint.
    Type: Grant
    Filed: January 28, 1983
    Date of Patent: August 14, 1984
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventor: Gordon G. Chalfant, Jr.