Patents by Inventor Yung-Woou Lee

Yung-Woou Lee 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).

  • Manufacturing device for producing mineral fibers from incinerator ashes and its plasma-vitrified slag
    Patent number: 7802451
    Abstract: Incinerator ashes, which is obtained after treating municipal solid waste, incinerator ashes or its plasma vitrified slag is made into mineral fibers. Cullet is added during manufacturing the mineral fibers for conditioning. The mineral fibers thus obtained have a good strength and could raise value of recycled product. In addition, it could reduce impact of the incinerator ashes to the environment and environmental protection is achieved.
    Type: Grant
    Filed: August 15, 2007
    Date of Patent: September 28, 2010
    Assignee: Atomic Energy Council - Institute of Nuclear Energy Research
    Inventors: Sheng-Fu Yang, Yung-Woou Lee, To-Mai Wang, Wen-Cheng Lee, Kin-Seng Sun, Ching-Liang Chen, Chin-Ching Tzeng