Patents by Inventor Craig L. Di Maggio

Craig L. Di Maggio 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: 7198764
    Abstract: In one embodiment, a method of treating a gas stream comprises: controlling an amount of the NH3 entering a catalytic unit and converting NO2 and the NH3 to N2 in the catalytic unit, wherein greater than or equal to about 60 wt % of NOx initially in the gas stream is converted to N2. In one embodiment, a gas treatment system comprises: a plasma reactor disposed downstream of an engine; a cracking catalyst disposed downstream of the engine; and a catalytic unit capable of converting NO and HC to NH3, and capable of converting NH3 and NO2 to N2.
    Type: Grant
    Filed: March 5, 2003
    Date of Patent: April 3, 2007
    Assignee: Delphi Technologies, Inc.
    Inventors: Galen Bruce Fisher, Joachim Kupe, William J. Labarge, Craig L. Di Maggio
  • Publication number: 20040173450
    Abstract: In one embodiment, a method of treating a gas stream comprises: controlling an amount of the NH3 entering a catalytic unit and converting NO2 and the NH3 to N2 in the catalytic unit, wherein greater than or equal to about 60 wt % of NOx initially in the gas stream is converted to N2. In one embodiment, a gas treatment system comprises: a plasma reactor disposed downstream of an engine; a cracking catalyst disposed downstream of the engine; and a catalytic unit capable of converting NO and HC to NH3, and capable of converting NH3 and NO2 to N2.
    Type: Application
    Filed: March 5, 2003
    Publication date: September 9, 2004
    Inventors: Galen Bruce Fisher, Joachim Kupe, William J. Labarge, Craig L. Di Maggio