Patents by Inventor David G. Brennan

David G. Brennan 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: 5931453
    Abstract: A self aligning clamp for fixturing two items of unequal thickness together in a stationary relationship in a vice device prior to joining the items together by welding or the like is disclosed. The self aligning clamping device has a fixed rigid lower jaw adapted to receive an underside of the two items of unequal thickness together in a stationary co-planar relationship, the lower jaw being disposed transversely to the vice device and further having a lower region adapted for releasable communication with a lower extent of the vice device, each jaw still further having a solid cylindrical shape for urging continuous, rigid, unbending contact communication with the upper side of each item.
    Type: Grant
    Filed: January 5, 1995
    Date of Patent: August 3, 1999
    Inventor: David G. Brennan
  • Patent number: 5788809
    Abstract: A self aligning clamp for fixturing two items of unequal thickness together in a stationary relationship in a vice device prior to joining the items together by welding, glueing or the like is disclosed. The self aligning clamping device has a fixed rigid lower jaw adapted to receive an underside of the two items of unequal thickness together in a stationary co-planar relationship, the lower jaw being disposed transversely to the vice device and further having a lower region adapted for releasable communication with a lower extent of the vice device, each jaw still further having a solid cylindrical shape for urging continuous, rigid, unbending contact communication with the upper side of each item.
    Type: Grant
    Filed: February 5, 1997
    Date of Patent: August 4, 1998
    Inventor: David G. Brennan