Patents by Inventor Roger J. Waterman

Roger J. Waterman 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).

  • Hydrocyclone roping detector and method
    Patent number: 6983850
    Abstract: An ultrasonic sensor is mounted on the splash skirt at the underflow outlet of a hydrocyclone to detect a change in the underflow discharge from the normal conical shape in which the discharge impacts upon the splash skirt to a more cylindrical shape associated with roping.
    Type: Grant
    Filed: June 25, 2003
    Date of Patent: January 10, 2006
    Assignee: Krebs Engineers Corporation
    Inventors: Timothy J. Olson, Roger J. Waterman