1 Utility and 1 Design Patents
#1,256 in Qingdao
#106,268 in China
Forward Citations = 0
Company Filing History:


Qingdao Daneng Environmental Protection Equipment Co., Ltd.
4. 1 out of 2
Qingda Low Carbon Green Hydrogen Industrial Technology Research Institute (qingdao) Co., Ltd.
where one patent can have more than one assignee
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