Patents by Inventor Courtney Hall

Courtney Hall 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).

  • Vehicle performance monitoring system
    Patent number: 5074144
    Abstract: Apparatus for monitoring the operating performance of a vehicle. The vehicle speed, engine operating speed and manifold pressure of the vehicle are compared to corresponding preset threshold values. The total time during which each of the vehicle speed, engine operating speed and manifold pressure exceed its threshold value is recorded and provided to the driver in a real-time display. The total time during which the engine is operating and the total time during which the engine is idling are also recorded and provided to the driver in a real time display.
    Type: Grant
    Filed: June 8, 1990
    Date of Patent: December 24, 1991
    Assignee: Gary F. Krofchalk
    Inventors: Gary F. Krofchalk, Richard F. Dickey, Courtney Hall
  • Vehicle performance monitoring system
    Patent number: 4945759
    Abstract: Apparatus for monitoring the operating performance of a vehicle. The vehicle speed, engine operating speed and manifold pressure of the vehicle are compared to corresponding preset threshold values. The total time during which each of the vehicle speed, engine operating speed and manifold pressure exceed its threshold value is recorded and provided to the driver in a real-time display. The total time during which the engine is operating and the total time during which the engine is idling are also recorded and provided to the driver in a real time display.
    Type: Grant
    Filed: February 27, 1989
    Date of Patent: August 7, 1990
    Assignee: Gary F. Krofchalk
    Inventors: Gary F. Krofchalk, Richard F. Dickey, Courtney Hall