Inventor

CAO ZHIGUO

CN2 patents

⚠️ This page may combine multiple inventors who share the name “CAO ZHIGUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV CHINA MINING

1 patent

US11673747B2Jun 13, 2023

Method for constructing pumping-injection well of groundwater reservoir in dump of open-pit mine

UNIV CHINA MINING0 citations43

CHINA SHENHUA ENERGY CO LTD

1 patent

US9689128B2Jun 27, 2017

Artificial dam of distributed coal mine underground reservoir and its constructing method

CHINA SHENHUA ENERGY CO LTD0 citations37