Hanjun Liu

City:

Deyang

Country:

China

Published Applications:

Last publication date:

2024-12-24

Top Assignees for applications by Hanjun Liu

The entities that hold a legal rights for patent applications filed by inventor Liu Hanjun:

Hanjun Liu from Deyang, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Integrated detection test device for drill bit and rotary blowout preventer and detection method thereof

Multifunctional rotary blowout preventer test device and method thereof

InventorID:

7053414 ⎘