Patents by Inventor Warren Zeigler

Warren Zeigler 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).

  • Publication number: 20080108290
    Abstract: An improved fume hood that has an external sensor that automatically controls at least one lighting fixture located on or in the fume hood such that when a person is sensed in front of the fume hood, the light in the fume hood will automatically turn on. Once the technician is not sensed in front of the fume hood, the control module will delay and then turn the fume hood light off.
    Type: Application
    Filed: October 30, 2007
    Publication date: May 8, 2008
    Inventors: Warren Zeigler, Robert Berlin, David Sweitzer