Changyan Pu

City:

Hebei

Country:

China

Published Applications:

Last publication date:

2022-03-24

Top Assignees for applications by Changyan Pu

The entities that hold a legal rights for patent applications filed by inventor Pu Changyan:

Changyan Pu from Hebei, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Six-arm tunneling and anchoring machine for integrating tunneling and anchoring

Process and device for supporting anchor bolt and anchor cable on successive mining working face

Auxiliary transportation and support system used after rapid excavation

InventorID:

6059580 ⎘