Patents by Inventor Donald L. Crummett

Donald L. Crummett 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).

  • Manufacturing of shaped charge carriers
    Patent number: 4621396
    Abstract: Methods are provided for manufacturing a shaped charge carrier from a generally cylindrical thin wall tube. A plurality of flat areas are formed on the cylindrical tube, and an opening through the tube is associated with each of the flat areas for receiving a shaped charge therein.
    Type: Grant
    Filed: June 26, 1985
    Date of Patent: November 11, 1986
    Assignees: Jet Research Center, Inc., Halliburton Company
    Inventors: Jerry L. Walker, Donald L. Crummett, William C. Behling
  • Shaped charge carrier
    Patent number: 4609057
    Abstract: A shaped charge carrier for a perforating gun includes a generally cylindrical thin wall carrier tube, a plurality of flat areas formed on the carrier tube, and an opening through each of the flat areas for receiving a shaped charge therein.
    Type: Grant
    Filed: June 26, 1985
    Date of Patent: September 2, 1986
    Assignees: Jet Research Center, Inc., Halliburton Company
    Inventors: Jerry L. Walker, Donald L. Crummett, William C. Behling
  • Method of manufacturing brake rods
    Patent number: 4444350
    Abstract: A method of making brake rods comprising the steps of welding brake rod jaws to the ends of a solid bar or annular member, securing one end of the brake rod against movement, heating the brake rod and aligning the brake rod jaws on the ends of the brake rod so that the lugs of the brake rod jaws are generally parallel to the lug of a jaw on the other end of the brake rod. Alternately, the brake rod may be heated then have one end secured against movement and the lugs of the brake rod jaws aligned.
    Type: Grant
    Filed: May 16, 1983
    Date of Patent: April 24, 1984
    Assignee: Halliburton Company
    Inventor: Donald L. Crummett