Patents by Inventor Joseph J. Birsa

Joseph J. Birsa 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).

  • Manipulator control system and apparatus for decontaminating nuclear steam generators
    Patent number: 4521844
    Abstract: A manipulator control system uses a microprocessor to compute appropriate control parameters in order to maintain constant tangential velocity of a spray nozzle in relation to the inside surface of a spherical portion of a nuclear steam generator. The microprocessor also computes, in one of the three modes of operation, of the control system, appropriate control parameters for maintaining a predetermined distance between the nozzle and the center of the spherical enclosure.
    Type: Grant
    Filed: June 3, 1982
    Date of Patent: June 4, 1985
    Assignee: Westinghouse Electric Corp.
    Inventors: Robert H. Sturges, Jr., Joseph J. Birsa, Paul H. Dawson, Roger G. Byford