Patents by Inventor Jimmie W. DeWitt

Jimmie W. DeWitt 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).

  • Partially redundant air conditioning system
    Patent number: 5142883
    Abstract: Unitized air conditioning apparatus for conditioning air for an enclosed space may include: an inlet chamber through which air may be drawn; first and second selectively operable air handling units by which air may be drawn through the inlet chamber and refrigeration apparatus for circulating refrigerant through the air handling units for heat exchange with air prior to discharge into the enclosed space. Air dampers are provided for isolating one of the air handling units, when not operating, from the other air handling unit when it is operating.
    Type: Grant
    Filed: March 25, 1991
    Date of Patent: September 1, 1992
    Inventor: Jimmie W. DeWitt