Patents by Inventor George E. Maxim

George E. Maxim 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).

  • Submarine emergency communication transmitter
    Patent number: 5003515
    Abstract: An underwater acoustic transmitter adapted to be released from a submerged ubmarine to float towards the surface of the water and explode a plurality of signalling charges at a predetermined depth in a predetermined time sequence.
    Type: Grant
    Filed: May 28, 1964
    Date of Patent: March 26, 1991
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Albert S. Will, Frank C. McLean, Sylvan Wolf, Samuel H. Kauffman, John C. Hetzler, Jr., Charles A. Lewis, George E. Maxim