60 Utility Patents
#4 in Jiangsu
#1,207 in China
#26,872 in the World
Forward Citations = 30
Company Filing History:
China University of Mining and Technology
Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd.
Dongnan Elevator Co, Ltd
4. 4 out of 6
Xuzhou Zhirun Mining Equipment Science and Technology Co., Ltd
5. 2 out of 19
Inner Mongolia University of Technology
where one patent can have more than one assignee
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