Patents by Inventor Teddy Lee Henderson

Teddy Lee Henderson 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).

  • Clean air cabinet with valved exhaust
    Patent number: 5665128
    Abstract: A clean air cabinet includes a blower chamber and a sample chamber separated by a filter. A blower within the blower chamber forces air through the filter into the sample chamber. A perforated wall between the sample chamber and the filter provides a pressurized zone between the wall and the filter. An exhaust plenum connects the pressurized zone with an exterior of the cabinet. A cap is provided to close off the plenum when the blower is not operating.
    Type: Grant
    Filed: September 24, 1996
    Date of Patent: September 9, 1997
    Assignee: NuAire, Inc.
    Inventors: Max D. Peters, Gerald D. Peters, Teddy Lee Henderson