Patents by Inventor William G. Manda

William G. Manda 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).

  • Condensate isolator and drainage system for furnace
    Patent number: 5375586
    Abstract: The present invention involves a gas furnace having a condensate trap formed in the transition box between the secondary heat exchanger and the exhaust blower. The gas furnace includes gas burners which burn fuel within the passageways of the heat exchanger are induced through its internal passageways by an exhaust blower. The transition box connects the heat exchangers with the exhaust blower and provides a location for condensate to collect for discharge through the integral condensate trap assembly. Also, the exhaust blower housing has drainage ports to convey condensate from the blower and vent back to the condensate trap.
    Type: Grant
    Filed: August 11, 1993
    Date of Patent: December 27, 1994
    Assignee: Inter-City Products Corporation (USA)
    Inventors: David B. Schumacher, William G. Manda