Patents by Inventor Richard E. Jass

Richard E. Jass 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).

  • Diesel engine EGR system with exhaust gas conditioning
    Patent number: 5440880
    Abstract: The exhaust gas recirculation system which includes a diverter valve system for selectively directing recirculated gas through an aftercooler includes a self regenerating catalyzed particulate filter which is positioned upstream of the aftercooler of the system to prevent soot from accumulating on the heat exchange surfaces of the aftercooler. Removal of the soot from the exhaust gas increases efficiency and longevity of the aftercooler.
    Type: Grant
    Filed: May 16, 1994
    Date of Patent: August 15, 1995
    Assignee: Navistar International Transportation Corp.
    Inventors: Kenneth P. Ceynow, Richard E. Jass, Robert X. Shi