Patents by Inventor Graham F. Thieman

Graham F. Thieman 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).

  • Emission abatement device and method of using same
    Patent number: 7341699
    Abstract: An emission abatement device comprises a hydrocarbon trap, a 3-way catalyst downstream from the hydrocarbon trap, and a valve movable to control flow of exhaust gas to the hydrocarbon trap and the 3-way catalyst.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: March 11, 2008
    Assignee: Arvin Technologies, Inc.
    Inventors: Graham F. Thieman, Michael D. Virtue, David H. Pope, John D. Warren
  • Emission abatement device and method of using same
    Publication number: 20040067177
    Abstract: An emission abatement device comprises a hydrocarbon trap, a 3-way catalyst downstream from the hydrocarbon trap, and a valve movable to control flow of exhaust gas to the hydrocarbon trap and the 3-way catalyst.
    Type: Application
    Filed: August 29, 2003
    Publication date: April 8, 2004
    Inventors: Graham F. Thieman, Michael D. Virtue, David H. Pope, John D. Warren
  • Tube-to-plate connection
    Patent number: 4334703
    Abstract: A tube-to-plate connection and method for making it utilize a plate defining an aperture where the tube is to be attached to the plate, with the portion of the plate surrounding the aperture including a flange extending away from the plane of the plate. The tube side wall lies generally within the flange. The flange and tube wall are simultaneously cut or staked radially by a piercing cutter-staker which pierces the walls of both flange and tube wall to prevent axial movement or rotation of the tube with respect to the flange.
    Type: Grant
    Filed: August 9, 1979
    Date of Patent: June 15, 1982
    Assignee: Arvin Industries, Inc.
    Inventors: James C. Arthur, Graham F. Thieman
  • Tube-to-tube connection
    Patent number: 4333672
    Abstract: A mechanical connection of a first tube to a second tube, in which the first tube has a radially inner dimension and the second tube has a radially outer dimension permitting close sliding engagement of an end of the second tube within an end of the first tube. The connection includes staked segments spaced apart circumferentially about the first and second tube side walls. Each staked segment includes simultaneously formed projections formed by a staking or piercing knife in the side walls of both tubes.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: June 8, 1982
    Assignee: Arvin Industries, Inc.
    Inventors: James C. Arthur, Graham F. Thieman