Patents by Inventor Robert John Langston

Robert John Langston 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).

  • Optical sensing arrangements
    Patent number: 8111584
    Abstract: A method of detecting a submerged vessel in or near the wake of a ship in which a plurality of optical fiber sensors are trailed from said ship and in which at least one of said sensors which is located in the ship's wake comprises a magnetically-responsive optical fiber sensor.
    Type: Grant
    Filed: June 11, 1987
    Date of Patent: February 7, 2012
    Assignee: Plessey Overseas Limited
    Inventor: Robert John Langston