Patents by Inventor W. John Williams

W. John Williams 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).

  • Multilane remote sensing device
    Patent number: 7164132
    Abstract: A remote sensing device is provided to detect the emissions of passing vehicles. Preferably, the device detects the emissions of individual vehicles traveling on a roadway of more than one traffic lane. The remote sensing device may preferably detect the emissions due to an individual vehicle in situations where more than one vehicle is present. The device is capable of determining which sensed emission data corresponds to which vehicle exhaust plume.
    Type: Grant
    Filed: July 18, 2001
    Date of Patent: January 16, 2007
    Assignee: Envirotest Systems Corp.
    Inventors: John Didomenico, James Johnson, Donald H. Stedman, Gary A. Bishop, W. John Williams
  • Multilane remote sensing device
    Publication number: 20020092988
    Abstract: A remote sensing device is provided to detect the emissions of passing vehicles. Preferably, the device detects the emissions of individual vehicles traveling on a roadway of more than one traffic lane. The remote sensing device may preferably detect the emissions due to an individual vehicle in situations where more than one vehicle is present. The device is capable of determining which sensed emission data corresponds to which vehicle exhaust plume.
    Type: Application
    Filed: July 18, 2001
    Publication date: July 18, 2002
    Inventors: John Didomenico, James H. Johnson, Donald H. Stedman, Gary A. Bishop, W. John Williams