Patents Assigned to XIANGSHAN GEMFAN HOBBY CO., LTD.
  • 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