Patents by Inventor Hengzhi Xiao

Hengzhi 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).

  • Two-blade aircraft propeller
    Patent number: D761184
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: July 12, 2016
    Assignee: XIANGSHAN GEMFAN HOBBY CO., LTD.
    Inventor: Hengzhi Xiao
  • Three-blade aircraft propeller
    Patent number: D769786
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: October 25, 2016
    Assignee: XIANGSHAN GEMFAN HOBBY CO., LTD.
    Inventor: Hengzhi Xiao
  • Aircraft propeller having three blades
    Patent number: D797638
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: September 19, 2017
    Assignee: XIANGSHAN GEMFAN HOBBY CO., LTD.
    Inventor: Hengzhi Xiao
  • Aircraft propeller with three blades
    Patent number: D797639
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: September 19, 2017
    Assignee: XIANGSHAN GEMFAN HOBBY CO., LTD.
    Inventor: Hengzhi Xiao
  • Aircraft propeller having two blades
    Patent number: D798219
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: September 26, 2017
    Assignee: XIANGSHAN GEMFAN HOBBY CO., LTD.
    Inventor: Hengzhi Xiao
  • Three-blade propeller
    Patent number: D802513
    Type: Grant
    Filed: November 26, 2016
    Date of Patent: November 14, 2017
    Assignee: XIANGSHAN GEMFAN HOBBY CO., LTD.
    Inventor: Hengzhi Xiao
  • Aircraft propeller having three blades
    Patent number: D828803
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: September 18, 2018
    Assignee: XIANGSHAN GEMFAN HOBBY CO., LTD.
    Inventor: Hengzhi Xiao
  • Propeller through-hole insert
    Patent number: D897265
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: September 29, 2020
    Assignee: XIANGSHAN GEMFAN HOBBY CO., LTD.
    Inventor: Hengzhi Xiao
  • Propeller through-hole
    Patent number: D899343
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: October 20, 2020
    Assignee: XIANGSHAN GEMFAN HOBBY CO., LTD.
    Inventor: Hengzhi Xiao
  • Aircraft propeller
    Patent number: D930547
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: September 14, 2021
    Assignee: NINGBO GEMFAN HOBBY CO., LTD.
    Inventor: Hengzhi Xiao