Patents by Inventor C. David Livengood

C. David Livengood 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).

  • Method for combined removal of mercury and nitrogen oxides from off-gas streams
    Patent number: 7118720
    Abstract: A method for removing elemental Hg and nitric oxide simultaneously from a gas stream is provided whereby the gas stream is reacted with gaseous chlorinated compound to convert the elemental mercury to soluble mercury compounds and the nitric oxide to nitrogen dioxide. The method works to remove either mercury or nitrogen oxide in the absence or presence of each other.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: October 10, 2006
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Marshall H. Mendelsohn, C. David Livengood