Patents by Inventor Benchao Xiao

Benchao Xiao 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).

  • Gearbox
    Patent number: D833494
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: November 13, 2018
    Assignee: Shanghai Putao Technology Co., Ltd.
    Inventors: Xiang Zhang, Di Peng, Zhaolong Li, Shaohua Zhang, Benchao Xiao
  • Toy brick
    Patent number: D833540
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: November 13, 2018
    Assignee: Shanghai Putao Technology Co., Ltd.
    Inventors: Xiang Zhang, Di Peng, Zhaolong Li, Shaohua Zhang, Benchao Xiao
  • Toy brick
    Patent number: D852284
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: June 25, 2019
    Assignee: Shanghai Putao Technology Co., Ltd.
    Inventors: Xiang Zhang, Di Peng, Zhaolong Li, Shaohua Zhang, Benchao Xiao