Beijing, China

Beijing Chengtian Hengye Coal Mine Equipment Co. Ltd


USPTO Granted Patents = 2

Forward Citations = 2

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9 inventors (with patents filed for the assignee):

goldMedal Yishan Pan (2 out of 6 patents)

silverMedal Hongying Wang (2 out of 3 patents)

bronzeMedal Lianpeng Dai (1 out of 3 patents)

4 Aiwen Wang (1 out of 2 patents)

5 Zhicai Chen (1 out of 1 patent)

6 Yonghui Xiao (1 out of 2 patents)

7 Zhi Tang (1 out of 1 patent)

8 Zhigao Zhang (1 out of 1 patent)

9 Hongqi Shi (1 out of 1 patent)


2 patents:

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#763 in Beijing

#9,981 in China

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Beijing, China
Forward Citations = 2

9 inventors:

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