Patents by Inventor Brien Hollis

Brien Hollis 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).

  • High reliability heating system
    Patent number: 6109531
    Abstract: A high reliability heating system that includes dual furnace control mechanisms wherein each furnace control mechanism includes blowers and control elements and each is independently operable to control the operation of a shared furnace burner unit and heat exchanger. The heating system preferably includes a controller mechanism selector mechanism that detects an abnormal operating condition, malfunction, in the controlling furnace controller mechanism and, in response, automatically switches control to the other furnace controller mechanism.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: August 29, 2000
    Inventor: Brien Hollis