Chengdu, China

Vertechs Oil & Gas Technology Co., Ltd.


USPTO Granted Patents = 3


Trademarks = 12

Forward Citations = 3

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8 inventors (with patents filed for the assignee):

goldMedal Qijun Zeng (3 out of 9 patents)

silverMedal Wei Jun Zhang (2 out of 50 patents)

bronzeMedal Wei Zheng (1 out of 4 patents)

4 Chengsong Qiu (1 out of 1 patent)

5 Dengpan Xie (1 out of 1 patent)

6 Yuan Gao (1 out of 2 patents)

7 Liam Zeng (0 patent)


3 patents:

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USPTO Data Jan 1 1976 - Dec 2 2025

3 Patents

#60 in Chengdu

#7,179 in China

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Chengdu, China
Forward Citations = 3

8 inventors:

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