Patents by Inventor John Oonkj

John Oonkj 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).

  • Publication number: 20060280667
    Abstract: The invention relates to a method and apparatus for purifying off-gasses of gas-fired plants. According to the invention, just methane or both metane and Nox contents in an off-gas stream of a plant are reduced by contacting the off-gas stream with a plasma and a catalyst.
    Type: Application
    Filed: March 29, 2004
    Publication date: December 14, 2006
    Inventors: John Oonkj, Franciscus Willems, Yves Creijgton