Jianfei Wei

3 Patents

• US125463942026

  Sealing Device

  Schaeffler Technologies AG & Co. KG

  0 cites
• US123721542025

  Sealing Device of a Bearing and Bearing

  Schaeffler Technologies AG & Co. KG

  0 cites
• US120609582024

  Pure Electric Modular Subsea Test Tree

  Southwest Petroleum University

  0 cites