Patents by Inventor John Duncan MacIntyre

John Duncan MacIntyre 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).

  • Meter calibration system and apparatus
    Patent number: 6782333
    Abstract: A meter calibration system and apparatus capable of calibrating meters devoid of process connections. The apparatus are a calibration system and process connection adapters, where in the system is operable for calibrating both linear and nonlinear meters at multiple flow rates, and is suitable for use with both gravimetric and master meter standard references.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: August 24, 2004
    Assignee: Micro Motion, Inc.
    Inventors: David Baker, John Duncan MacIntyre
  • Meter calibration system and apparatus
    Publication number: 20030225538
    Abstract: A meter calibration system and apparatus capable of calibrating meters devoid of process connections. The apparatus are a calibration system and process connection adapters, where in the system is operable for calibrating both linear and nonlinear meters at multiple flow rates, and is suitable for use with both gravimetric and master meter standard references.
    Type: Application
    Filed: May 31, 2002
    Publication date: December 4, 2003
    Applicant: Micro Motion, Inc.
    Inventors: David Baker, John Duncan MacIntyre