Patents by Inventor Lawrence F. Athy, Jr.

Lawrence F. Athy, Jr. 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).

  • Actuator control system
    Patent number: 4036106
    Abstract: A control system for controlling the operation of a valve actuator. The system includes a control valve for conveying operating fluid to the actuator in response to an actuator control signal. A single conduit operably connected to the actuator control valve both supplies operating fluid to the control valve and conveys an actuator control signal to the control valve.
    Type: Grant
    Filed: April 3, 1975
    Date of Patent: July 19, 1977
    Assignee: Southwestern Manufacturing Co.
    Inventor: Lawrence F. Athy, Jr.