4 Utility Patents
#279 in Tianjin
#33,870 in China
Forward Citations = 0
Company Filing History:

Tianjin Lvxin Cryogenic Science and Technology Co., Ltd.
Offshore Oil Engineering Co., Ltd.
4. 1 out of 29

5. 1 out of 3
Beijing Hongming Xinda Technology Co., Ltd
where one patent can have more than one assignee
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