Patents by Inventor Wang Chin-Hua

Wang Chin-Hua 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).

  • Method used to purify smoke pollutant
    Patent number: 4929258
    Abstract: The invention is associated with a method used to purify smoke pollutant. The smoke pollutant can be introduced to several hollow tanks filled with plenty of water droplets. The smoke pollutant can contact with water droplets to condense inside tanks. So the smoke pollutant can be purified completely without smoke and odor by this kind of treatment.
    Type: Grant
    Filed: February 7, 1989
    Date of Patent: May 29, 1990
    Inventor: Wang Chin-Hua