Patents by Inventor Ralph Setter

Ralph Setter 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).

  • Doppler shift velocity measuring system with correction factors
    Patent number: 5777892
    Abstract: To determine the average velocity of a fluid stream, an ultrasonic signal is transmitted into the fluid and reflected ultrasonic signal received. The signals are mixed with a frequency of the transmitted ultrasonic signals. A Fourier transform is performed on the signals, the largest coefficient used to normalize the signal and certain of the weighted signals are averaged.
    Type: Grant
    Filed: September 16, 1996
    Date of Patent: July 7, 1998
    Assignee: Isco, Inc.
    Inventors: Frederick Alan Nabity, Larry Lee Fritz, Douglas Timothy Carson, Ralph Setter