Patents by Inventor Xian An Wu

Xian An Wu 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).

  • Patent number: 9776144
    Abstract: An ultrasonic humidifier includes a tank having a water level and a floater having a tubular structure with a bottom rim and a top rim. The tubular structure has a frusto-conical shape and is vertically and co-axially disposed within the floater. The tubular structure having a widest diameter end disposed on the bottom rim and a narrower diameter end disposed at the top rim. This humidifier also has an air-supply arrangement that eliminates water damage to the fan during spillage.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: October 3, 2017
    Assignee: ZHONGSHAN TITAN ARTS & CRAFTS CO., LTD.
    Inventors: Shao Quan Lu, Yu Yang, Lei Peng Zuo, Xian An Wu, Peng Fei Zuo, Hai Feng Yan, Mu Mian Wang, Ze Hui Hu