Patents by Inventor John P. Sutton

John P. Sutton 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 mapping apparatus and method
    Patent number: 5189907
    Abstract: An RPM variation test for use in an engine analyzer system is used to test internal combustion engines. The engine analyzer individually disables cylinders and monitors instantaneous engine RPM, to generate an engine map. The engine analyzer performs an engine performance test upon the internal combustion engine. The engine map is used to map the results of the engine performance test. Using the present invention, an engine map is produced just prior to performing an engine performance test.
    Type: Grant
    Filed: February 27, 1991
    Date of Patent: March 2, 1993
    Assignee: Bear Automotive Service Equipment Company
    Inventors: Joseph A. Marino, Surender Makhija, John P. Sutton, Steve A. Trottier
  • High aluminia tar-impregnated pressure pouring tubes
    Patent number: 5151200
    Abstract: An improved metal pouring tube especially adapted for conducting molten metal such as liquid steel, the tube being formed of carbon-impregnated ceramic-bonded refractory material principally comprising alumina, zirconia and silica. Also included is the method of forming the tube.
    Type: Grant
    Filed: August 9, 1991
    Date of Patent: September 29, 1992
    Assignee: Dresser Industries, Inc.
    Inventors: John J. Stephansky, John P. Sutton