Patents by Inventor Wade L. Box

Wade L. Box 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: 6298913
    Abstract: An explosive pipe cutter assembly (10, 10′) has a housing (20, 20′) which defines at its closed end a hemispherical shaped nose end (22, 22′) and contains a toroidal shaped charge (48) comprised of two half-charges (42). Toroidal shaped charge (48) has a seating surface (31) seated on a support shoulder (50, 50′) adjacent the closed end of the housing (20, 20′), and a trailing end which is engaged by a retaining ring (38) received in the open end (24, 24′) of the housing (20, 20′). Two juxtaposed half-liners (28) provide a liner having an apex (A) which is curved in longitudinal cross section to increase the mass of the metal formed into a penetrating jet by detonation of the shaped charge (48).
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: October 9, 2001
    Assignee: The Ensign-Bickford Company
    Inventor: Wade L. Box