Patents by Inventor Dale Arnold Dalton

Dale Arnold Dalton 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: 8096112
    Abstract: An exhaust after-treatment system having a main tank configured to retain and supply a reductant is disclosed. The exhaust after-treatment system includes a main heat source disposed in the main tank and configured to thaw the reductant. The exhaust after-treatment system also includes a secondary tank configured to retain a supply of reductant and a pump configured to pass reductant from the secondary tank to the main tank. The exhaust after-treatment system further includes a secondary heat source configured to thaw the reductant within the secondary tank.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: January 17, 2012
    Assignee: Caterpillar Inc.
    Inventor: Dale Arnold Dalton
  • Publication number: 20090084095
    Abstract: An exhaust after-treatment system having a main tank configured to retain and supply a reductant is disclosed. The exhaust after-treatment system includes a main heat source disposed in the main tank and configured to thaw the reductant. The exhaust after-treatment system also includes a secondary tank configured to retain a supply of reductant and a pump configured to pass reductant from the secondary tank to the main tank. The exhaust after-treatment system further includes a secondary heat source configured to thaw the reductant within the secondary tank.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 2, 2009
    Inventor: Dale Arnold Dalton