Qingfeng Cheng

City:

Xinxiang

Country:

China

Published Applications:

Last publication date:

2017-03-16

Top Assignees for applications by Qingfeng Cheng

The entities that hold a legal rights for patent applications filed by inventor Cheng Qingfeng:

Qingfeng Cheng from Xinxiang, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Spiral louver shaped condenser with multilayer spatial structure

InventorID:

6465372 ⎘