LL

Ling Li

HC Hangzhou Oxygen Plant Group Co.: 1 patents #8 of 24Top 35%
Robert Bosch Gmbh: 1 patents #10,465 of 19,740Top 55%
Overall (All Time): #1,729,357 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12378686 Device and method for recovering by-product oxygen of hydrogen production from electrolyzed water by low-temperature method Yisong HAN, Fang TAN, Xudong Peng, Lei Yao, Lijian Lao +4 more 2025-08-05
10851695 Exhaust gas aftertreatment system for diesel engine and method of detecting abnormal injection Yujiang Xu, Honglong Zhou, Siwei Dong 2020-12-01