Patents by Inventor William C. Colter

William C. Colter 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).

  • Ventilation temperature and pressure control apparatus
    Patent number: 6375563
    Abstract: A ventilation apparatus for a building with a roof is disclosed comprising a housing that has openings for exhausting or supplying air. The housing is fixedly secure to the building and covers an opening in the roof. A propeller fan with a motor resides in and is fixedly attached to the housing. The motor controls the fan speed and direction. The motor is controlled by a variable frequency drive that is powered by a power supply. A plurality of temperature controllers is employed to measure the indoor and outdoor temperatures. The temperature controllers operatively engage the variable frequency drive. A splash diffuser pan is fixedly attached to the roof underneath the opening in the roof. The diffuser pan must be larger in size than the opening in the roof.
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: April 23, 2002
    Inventor: William C. Colter
  • Ventilation temperature and pressure control apparatus
    Patent number: 6241604
    Abstract: A ventilation apparatus for a building with a roof. comprises a housing that has openings for exhausting or supplying air. The housing is fixedly secured to the building and covers an opening in the roof A propeller fan with a motor resides in and is fixedly attached to the housing. The motor controls the fan speed and direction. The motor is controlled by a variable frequency drive that is powered by a power supply. A plurality of temperature controllers is employed to measure the indoor and outdoor temperatures. The temperature controllers operatively engage the variable frequency drive. A splash diffuser pan is fixedly attached to the roof underneath the opening in the roof. The diffuser pan must be larger in size than the opening in the roof.
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: June 5, 2001
    Inventor: William C. Colter