Doudou Wang

City:

Qingdao

Country:

China

Published Applications:

Last publication date:

2025-08-07

Top Assignees for applications by Doudou Wang

The entities that hold a legal rights for patent applications filed by inventor Wang Doudou:

Doudou Wang from Qingdao, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

SEALING GEL WITH DELAYED GELATION FOR WELL CEMENTATION, PREPARATION METHOD, AND APPLICATION

Sealing gel with delayed gelation for well cementation, preparation method, and application

InventorID:

7340289 ⎘