Dongying, China

Drilling Technology Research Institute of Shengli Petroleum Engineering Corporation Limited, Sinopec


USPTO Granted Patents = 1

Forward Citations = 1

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8 inventors (with patents filed for the assignee):

goldMedal Sheng Zhan (1 out of 36 patents)

silverMedal Jinhai Zhao (1 out of 18 patents)

bronzeMedal Herong Zheng (1 out of 11 patents)

4 Jinzhou Yang (1 out of 8 patents)

5 Weiping Xu (1 out of 10 patents)

6 Hongbing Xiao (1 out of 9 patents)

7 Zhen Yang (1 out of 5 patents)

8 Haihua Zhang (1 out of 3 patents)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#8 in Dongying

#16,035 in China

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Dongying, China
Forward Citations = 1

8 inventors:

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