Patents by Inventor Charles H. O'Kelley

Charles H. O'Kelley 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).

  • Exhaust header for building ventilator fan
    Patent number: 5766073
    Abstract: An apparatus and method for handling and controlling exhaust from a ventilation fan. A header is placed over the exterior end of the exhaust air conduit used to exhaust air by the ventilation fan. The header provides upper and lower air paths for the exhaust, but blocks direct wind from entering the air conduit. The upper and lower air paths terminate in exhaust openings. The exhaust openings are similar is size to one another and are similar in cross-sectional area to the air paths through the header.
    Type: Grant
    Filed: January 23, 1997
    Date of Patent: June 16, 1998
    Inventor: Charles H. O'Kelley