Hanjun Liu

4 Patents

• US124906712025

  Robotic Lawnmower

  Shenzhen Hua Xin Information Technology Co., Ltd.

  0 cites
• US121740822024

  Integrated Detection Test Device for Drill Bit and Rotary Blowout Preventer and Detection Method Thereof

  Sichuan Kete Testing Technology Co., Ltd

  0 cites
• US121638562024

  Multifunctional Rotary Blowout Preventer Test Device and Method Thereof

  Sichuan Kete Testing Technology Co., Ltd

  0 cites
• USD10129822024

  Lawnmower Robot

  Shenzhen Hua Xin Information Technology Co., Ltd.

  0 cites