For the Inventor, By the Inventor

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Cccc Construction Group Co., Ltd.

USPTO Granted Patents = 2

Forward Citations = 0

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7 inventors (with patents filed for the assignee):

Wenchao Liu (2 out of 5 patents)

Kesheng Zhang (2 out of 2 patents)

Yufeng Liu (1 out of 12 patents)

4. Zhiwei Yu (1 out of 1 patent)

5. Zhuohua Song (1 out of 1 patent)

6. Baoshuang Ren (1 out of 1 patent)

7. Shuwei Cheng (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 11939768 - Sleeve grouting device and method for prefabricated building (2024-03-26),

2. 11927368 - Prefabricated energy pile, construction method, and heat pump heat exchange system (2024-03-12),

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#772 in Beijing

#10,053 in China

Cccc Construction Group Co., Ltd.

Forward Citations = 0

7 inventors:

Wenchao Liu (2 out of 5 patents)

Kesheng Zhang (2 out of 2 patents)

Yufeng Liu (1 out of 12 patents)

4. Zhiwei Yu (1 out of 1 patent)

5. Zhuohua Song (1 out of 1 patent)

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