Changming He

City:

Chengdu

Country:

China

Published Applications:

Last publication date:

2019-03-07

Top Assignees for applications by Changming He

The entities that hold a legal rights for patent applications filed by inventor He Changming:

Changming He from Chengdu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Hydraulic Adapter for Installing Connecting Flange of Oil Pipe

Screen Pipe for Thick Oil Thermal Recovery in Horizontal Well Completion

Horizontal well completion tubing string capable of achieving sublevel mining

InventorID:

2234181 ⎘