Patents by Inventor Chi C. Hung

Chi C. Hung 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).

  • Five-smoke-flue type wet water box boiler
    Patent number: 4372255
    Abstract: The present invention relates to wet type water box boiler having five smoke-flues characterized by that the hot gas produced by the combustion is subject to twice of heat exchange with the water box in its route, thereby allowing an operating temperature of 1900.degree. C. and enhancing the heat efficiency to 95%.
    Type: Grant
    Filed: December 8, 1980
    Date of Patent: February 8, 1983
    Inventor: Chi C. Hung