Patents by Inventor Matthew Earnest Williams

Matthew Earnest Williams 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).

  • Exhaust gas recirculation system having an electrostatic precipitator
    Patent number: 7356987
    Abstract: An exhaust gas recirculation system for a power source, has at least one inlet port configured to receive at least a portion of a flow of exhaust produced by the power source. The exhaust gas recirculation system also has an electrode disposed upstream of the at least one inlet port and configured to charge particulate matter in the flow of exhaust. The exhaust gas recirculation system further has at least one collection surface configured to allow the at least one electrode to repel the charged particulate matter away from the at least one inlet port towards the at least one collection surface.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: April 15, 2008
    Assignee: Caterpillar Inc.
    Inventors: Matthew Thomas Kiser, David Michael Thaler, Anthony Clark Rodman, Matthew Earnest Williams
  • Electrical connection for porous material
    Patent number: 7264643
    Abstract: An electrical connection element for providing an electrical connection to a porous material may include a first electrically conductive plate disposed on at least a portion of a first side of the porous material. A second electrically conductive plate may be disposed on at least a portion of a second side of the porous material, opposite to the first side. An electrically conductive material may impregnate the porous material in a region between the first and second electrically conductive plates, and an electrical connector may be attached to at least one of the first and second electrically conductive plates.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: September 4, 2007
    Assignee: Caterpillar Inc.
    Inventors: Matthew Earnest Williams, Matthew Thomas Kiser, Michael J. Pollard, Jo L. Costura, Cornelius Nicolae Opris, Hind M. Abi-Akar, Robert L. Meyer