Patents by Inventor Gerald F. Gravett

Gerald F. Gravett 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).

  • ASW intercept localization sonar
    Patent number: 3978445
    Abstract: A sonar for detecting and localizing sources of high frequency sonar pulses n range and bearing in real time. Three hydrophones pick up sonar pulses and process them in their respective detectors for storing. Detection by all three detectors cause the stored signals to be sent to a cross-correlator computer for range and bearing calculation.
    Type: Grant
    Filed: November 19, 1974
    Date of Patent: August 31, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Gerald F. Gravett