Patents by Inventor Gregory V. Halversen

Gregory V. Halversen 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).

  • Method and apparatus for sealing movable panel and maintaining low signature integrity
    Patent number: 4997993
    Abstract: Two sets of filaments (38, 72) are mounted on opposite sides of a discontinuity (6) between a movable or removable panel (4) and adjacent outer skin portions (2) of an aircraft. The filaments (38, 72) have retracted positions in which they are out of engagement with each other. With the filaments (38, 72) retracted, the panel (4) is moved into its use position flush with the outer surface of the skin (2). The filaments (38, 72) are then extended into the discontinuity (6) by a mechanism, such as a cam-ratchet (44) or an inflatable bladder (68). The extended filaments (38, 72) interdigitate to seal the discontinuity (6) and simulate a solid surface across the discontinuity (6).
    Type: Grant
    Filed: January 17, 1990
    Date of Patent: March 5, 1991
    Assignee: The Boeing Company
    Inventor: Gregory V. Halversen