14 Utility Patents
#107 in Jiangsu
#8,719 in China
#270,966 in the World
Forward Citations = 12
Company Filing History:
China University of Mining and Technology
Dongnan Elevator Co, Ltd
Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd.
4. 1 out of 21
Inner Mongolia University of Technology
5. 1 out of 6
Xuzhou Zhirun Mining Equipment Science and Technology Co., Ltd
where one patent can have more than one assignee
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