Simeng Yan

City:

Hebei

Country:

China

Published Applications:

Last publication date:

2025-05-29

Top Assignees for applications by Simeng Yan

The entities that hold a legal rights for patent applications filed by inventor Yan Simeng:

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

SPRAY-APPLIED POLYURETHANE INSULATION MATERIAL FOR TUNNELS IN COLD REGIONS, ITS APPLICATION, AND ITS CONSTRUCTION METHOD

InventorID:

7689353 ⎘