Patents by Inventor John A. Bakalyar

John A. Bakalyar 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).

  • Cryogenic liquid level sensor apparatus and method
    Patent number: 9074921
    Abstract: The invention proposed herein is a system and method for measuring the liquid level in a container that employs an optic fiber sensor which is heated using a simple power source and a wire and making an anemometry measurement. The heater wire is cycled between two levels of heat and the liquid level is obtained by measuring the heat transfer characteristics of the surrounding environment.
    Type: Grant
    Filed: January 3, 2013
    Date of Patent: July 7, 2015
    Assignee: The United States of America as Represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Allen R. Parker, Jr., W. Lance Richards, Anthony Piazza, Hon Chan Man, John A. Bakalyar