Patents by Inventor Steve Truesdail

Steve Truesdail 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).

  • Zone coated filter, emission treatment systems and methods
    Patent number: 8800268
    Abstract: Exhaust treatment filters, systems, and methods are disclosed. According to one or more embodiments, a particulate filter is zone coated with an oxidation catalyst and is used in an emission treatment system or method including a NOx reducing catalyst and an optional NH3 destruction catalyst.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: August 12, 2014
    Assignee: BASF Corporation
    Inventors: Kenneth Voss, Ingemar Gottberg, Steve Truesdail, Marius Vaarkamp
  • Zone Coated Filter, Emission Treatment Systems and Methods
    Publication number: 20080141661
    Abstract: Exhaust treatment filters, systems, and methods are disclosed. According to one or more embodiments, a particulate filter is zone coated with an oxidation catalyst and is used in an emission treatment system or method including a NOx reducing catalyst and an optional NH3 destruction catalyst.
    Type: Application
    Filed: November 29, 2007
    Publication date: June 19, 2008
    Inventors: Kenneth Voss, Ingemar Gottberg, Steve Truesdail, Marius Vaarkamp