Kunming
China
2
2025-07-31
The entities that hold a legal rights for patent applications filed by inventor Xi Longhai:
Longhai Xi from Kunming, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and system for determining evaluation indexes based on on-line evaluation layered architecture for concrete dam operation performance
#2 | 2024-05-02ACTIVE CONTROL METHOD AND DEVICE FOR LARGE DEFORMATION OF DEEP THIN-BEDDED SURROUNDING ROCK
6644594 ⎘