Patents by Inventor Christopher W Drewnowski

Christopher W Drewnowski 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).

  • Engine exhaust gas reactors and methods
    Patent number: 7959883
    Abstract: Particulate pollutants such as carbonaceous particles are removed from an engine exhaust stream by passing the exhaust stream through an exhaust gas reactor, the exhaust stream first traversing a charging zone wherein the particles are charged via a corona discharge, and thereafter traversing a downstream collection zone wherein the charged particles are collected and eliminated by a collector/reactor having an oppositely charged reactive collecting surface.
    Type: Grant
    Filed: August 28, 2009
    Date of Patent: June 14, 2011
    Assignee: Corning Incorporated
    Inventors: Christopher W Drewnowski, Martin Andrew Sala
  • ENGINE EXHAUST GAS REACTORS AND METHODS
    Publication number: 20110052464
    Abstract: Particulate pollutants such as carbonaceous particles are removed from an engine exhaust stream by passing the exhaust stream through an exhaust gas reactor, the exhaust stream first traversing a charging zone wherein the particles are charged via a corona discharge, and thereafter traversing a downstream collection zone wherein the charged particles are collected and eliminated by a collector/reactor having an oppositely charged reactive collecting surface.
    Type: Application
    Filed: August 28, 2009
    Publication date: March 3, 2011
    Inventors: Christopher W. Drewnowski, Martin Andrew Sala