Patents by Inventor Sean J. Massey

Sean J. Massey 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).

  • Flow rate measuring device
    Patent number: 7782461
    Abstract: A flow metering device and method for monitoring flow of a liquid, has a body with an inlet port and an outlet port. A flow chamber is formed therein between a pair of laterally placed windows in the flow chamber. A light emitting source placed in one of the windows and a light receiver placed in a second of the windows. The flow chamber has a flow restricting and light stopping element held therein and movable between a rest position and an operating position.
    Type: Grant
    Filed: April 5, 2007
    Date of Patent: August 24, 2010
    Inventors: Sean J. Massey, Robert P. Baeyens, Donald K. Henderson, Robert D. Moss