10 Utility Patents
#1,906 in Houston, TX
#13,401 in Texas
#200,408 in US
#407,520 in the World
Forward Citations = 6
Company Filing History:
China Petroleum & Chemical Corporation
Sinopec Tech Houston, LLC
Beijing Tienyi Lufu Pharmatech Co. Ltd.
4. 1 out of 1
Drilling Technology Research Institute of Shengli Petroleum Engineering Corporation Limited, Sinopec
5. 1 out of 1
Exploration & Production Research Insitute, Sinopec
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