Shanxi
China
2
2025-07-03
The entities that hold a legal rights for patent applications filed by inventor Wang Wei:
Wei Wang from Shanxi, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
ROD-SPRING STRUCTURED CLAMPING AND LOOSENING DEVICE FOR DOWNHOLE BELT REPLACEMENT APPARATUS AND OPERATING METHOD THEREOF
#2 | 2021-08-26Method and device for evaluating long-term operation of transformer oil pump
6563750 ⎘