Sen Wei

City:

Qingdao

Country:

China

Published Applications:

Last publication date:

2024-03-14

Top Assignees for applications by Sen Wei

The entities that hold a legal rights for patent applications filed by inventor Wei Sen:

Sen Wei from Qingdao, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Bottom-hole impact-rotation stepping combined unloading rock-breaking efficient drilling system and method thereof

InventorID:

6648965 ⎘