Patents by Inventor David C. Cadwell

David C. Cadwell 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).

  • Igniter for a pyrotechnic gas bag inflator
    Patent number: 4358998
    Abstract: For an inflator for pyrotechnically inflating protective gas bags for vehicles, an igniter is provided which causes the propellant in the inflator to ignite in a progressive manner so as to inflate the bag slowly at the onset but more rapidly later as inflation progresses. The overall inflation time is very rapid but the slow onset of bag deployment starts gentle movement against a vehicle's occupant and thus reduces the possibility of injury as compared with a more sudden movement by rapid inflation from the outset.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: November 16, 1982
    Assignee: Thiokol Corporation
    Inventors: Fred E. Schneiter, David C. Cadwell