16 Utility Patents
#5 in Jinan
#7,305 in China
#226,203 in the World
Forward Citations = 0
Company Filing History:

China University of Petroleum

4. 2 out of 3
Qingdao Daneng Environmental Protection Equipment Co., Ltd.
5. 1 out of 2
Shandong Xinchuang Biotechnology Co., Ltd.
where one patent can have more than one assignee
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