Patents by Inventor Joseph E. McQuillen

Joseph E. McQuillen 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).

  • Patent number: 4457329
    Abstract: A safety pressure regulator employing a diaphragm actuator that upon exposure to high temperature an element melts to release the valve from the actuator to effect its automatic closing.
    Type: Grant
    Filed: December 4, 1981
    Date of Patent: July 3, 1984
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Barry L. Werley, Richard H. Snyder, Joseph E. McQuillen, Keith A. Miller