Haijun LUAN

City:

Karamay

Country:

China

Published Applications:

Last publication date:

2017-11-16

Top Assignees for applications by Haijun LUAN

The entities that hold a legal rights for patent applications filed by inventor LUAN Haijun:

Haijun LUAN from Karamay, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Downhole occluder, pressurized sucker rod and operation technique to repair oil pipes

InventorID:

2038755 ⎘