Patents by Inventor Clifford O. Chapin

Clifford O. Chapin 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).

  • System for reducing stress concentrations in lap joints
    Patent number: 7850387
    Abstract: A stress concentration reduction system includes a hoop tension finger doubler coupled to a lap splice. The lap slice is formed by an first panel overlapped by a second panel. The hoop tension finger doubler is formed to fit against the panels flushly.
    Type: Grant
    Filed: January 6, 2005
    Date of Patent: December 14, 2010
    Assignee: The Boeing Company
    Inventor: Clifford O. Chapin