Patents by Inventor Dewey Dolison

Dewey Dolison 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).

  • Cooling, heating and ventilation system
    Patent number: 4779671
    Abstract: A system for the economic and efficient ventilating, cooling and heating of an enclosed space, such as a room or rooms within a building, through controlled ventilation of room air between an upper hotter building portion and a lower cooler building portion with the portions constituting different temperature zones in the building. The system includes a reversible ceiling fan facility and motorized inlets in the lower building portion and motorized outlets in the upper building portion, the inlets and motorized outlets being formed in the building and communicating with the exterior thereof.
    Type: Grant
    Filed: June 5, 1987
    Date of Patent: October 25, 1988
    Inventor: Dewey Dolison