Patents by Inventor Ni Lidong

Ni Lidong 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).

  • Electrical outlet with ground fault circuit interrupter
    Patent number: D470108
    Type: Grant
    Filed: September 19, 2000
    Date of Patent: February 11, 2003
    Assignee: Yueqing Huameili Electronic Co., Ltd.
    Inventors: Wang Daoxian, Ni Lidong, Miu Zhidong, Chen Yiping
  • Occupancy sensor
    Patent number: D565984
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: April 8, 2008
    Inventors: Ni Lidong, Yu Xiang
  • 7 day mechanical plug-in timer
    Patent number: D569743
    Type: Grant
    Filed: March 12, 2007
    Date of Patent: May 27, 2008
    Inventors: Ni Lidong, Yu Xiang