Beijing
China
4
2025-08-07
The entities that hold a legal rights for patent applications filed by inventor Chen Dongdong:
Dongdong Chen from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Internal and external coupling shear resistance locking control system and monitoring method of tunnel surrounding rocks
#2 | 2025-02-13SAFETY THROMBECTOMY DEVICE
#3 | 2024-06-27Z-SHAPED BRAIDED STENT
#4 | 2019-03-14Electrical enclosure with a great heat-dissipation and an ingress protection rating equal or greater than level 65
6516186 ⎘