Patents by Inventor Vance R. Kopp

Vance R. Kopp 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).

  • Method and apparatus for measuring octane number
    Patent number: 5633798
    Abstract: An apparatus and method to automate octane number measurements from a knock engine is provided. A first and second reference fuel having different knock octane numbers and a test fuel having an unknown octane number are each provided to the fuel inlet of an engine at a series of flow rates. For each flow rate an average knock intensity is calculated and from the resulting series of average knock intensities, a flow rate which will give a maximum knock intensity is calculated using curve fitting techniques.
    Type: Grant
    Filed: April 13, 1995
    Date of Patent: May 27, 1997
    Assignee: Phillips Petroleum Company
    Inventor: Vance R. Kopp