Patents by Inventor Joseph W. Brickell

Joseph W. Brickell 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).

  • Pressure control valve and system
    Patent number: 5035357
    Abstract: A pressure control system, including a pilot valve suitable for use therein, for providing a constant pressure from a non-compensated pump to a plurality of nozzle valves controlling flow from a manifold to nozzles associated with the valves, including a pressure control valve interposed between the pump and the manifold which is response to a control pressure created by a pilot valve which reduces manifold pressure to the control pressure.
    Type: Grant
    Filed: February 14, 1990
    Date of Patent: July 30, 1991
    Assignee: FMC Corporation
    Inventors: Joseph W. Brickell, Steven W. Post
  • Sprayer sight gauge
    Patent number: 4628960
    Abstract: A sight gauge for a towed sprayer having a channel formed in a shroud, which is inclined more from the vertical in its upper portion, with a plastic tube mounted in the channel. A visual indicator is trapped within the tube to indicate liquid level in the sprayer tank.
    Type: Grant
    Filed: September 10, 1984
    Date of Patent: December 16, 1986
    Assignee: FMC Corporation
    Inventors: Joseph W. Brickell, Edward A. Bellandi