Shaanxi, China

Xi'an Tongyuan Petrotech Co., Ltd.


USPTO Granted Patents = 1


Forward Citations = 15

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2 inventors (with patents filed for the assignee):

goldMedal Xi Zhang (1 out of 90 patents)

silverMedal Tinghan Zhang (1 out of 1 patent)


1 patent:

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USPTO Data Jan 1 1976 - Dec 23 2025

1 Patents

#37 in Shaanxi

#16,077 in China

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Shaanxi, China
Forward Citations = 15

2 inventors:

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