Patents by Inventor Steven J. Gaul

Steven J. Gaul 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).

  • Sash sensor and method of sensing a sash using an array of multiplexed elements
    Patent number: 6137403
    Abstract: A fume hood sash sensor uses multiplexed sensors to measure sash position. The sensor transmitter or receiver elements may be multiplexed. Furthermore, the sensor may employ passive, passive remote powered transponder, or powered transponder elements on the sashes to measure sash position.
    Type: Grant
    Filed: December 10, 1998
    Date of Patent: October 24, 2000
    Assignee: Phoenix Controls Corporation
    Inventors: Eric M. Desrochers, Steven J. Gaul, Herbert A. Winters