7 Utility and 1 Design Patents
#5,933 in Beijing
#19,054 in China
#597,011 in the World
rank by utility patentsForward Citations = 35
Company Filing History:
Institute of Geology and Geophysics, Cas


4. 1 out of 3
Institute of Geology and Geophysics
5. 1 out of 1
Yunnan Dianzhong Water Diversion Engineering Co.
where one patent can have more than one assignee
Get your Inventor Badge Today