Patents by Inventor Nicholas John Birkby

Nicholas John Birkby 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).

  • Internal combustion engine exhaust system
    Patent number: 8209967
    Abstract: An internal combustion engine exhaust system comprises an exhaust gas recirculation pipe which, in use, recirculates engine exhaust gas into the engine air intake. A particulate filter is provided and a burner arrangement is arranged to burn off particulates caught by the filter.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: July 3, 2012
    Assignee: EMCON Technologies LLC
    Inventor: Nicholas John Birkby
  • INTERNAL COMBUSTION ENGINE EXHAUST SYSTEM
    Publication number: 20100257848
    Abstract: An internal combustion engine exhaust system comprises an exhaust gas recirculation pipe which, in use, recirculates engine exhaust gas into the engine air intake. A particulate filter is provided and a burner arrangement is arranged to burn off particulates caught by the filter.
    Type: Application
    Filed: June 24, 2010
    Publication date: October 14, 2010
    Inventor: Nicholas John Birkby
  • Internal combustion engine exhaust system
    Patent number: 7770385
    Abstract: An internal combustion engine exhaust system 10 comprises an exhaust gas recirculation pipe 22 which, in use, recirculates engine exhaust gas into the engine air intake. A particulate filter 18 is provided and a burner arrangement 36 is arranged to burn off particulates caught by the filter.
    Type: Grant
    Filed: November 3, 2004
    Date of Patent: August 10, 2010
    Assignee: EMCON Technologies LLC
    Inventor: Nicholas John Birkby