For the Inventor, By the Inventor

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Tianrun Industry Technology Co., Ltd.

USPTO Granted Patents = 3

Trademarks = 1

Forward Citations = 0

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14 inventors (with patents filed for the assignee):

Jianchen Cong (3 out of 3 patents)

Shijie Lv (2 out of 2 patents)

Meizhen Feng (2 out of 2 patents)

4. Yuping Hu (1 out of 1 patent)

5. Xuezhong Dai (1 out of 1 patent)

6. Haiming Yu (1 out of 1 patent)

7. Peixiang Ni (1 out of 1 patent)

8. Shibo Shao (1 out of 1 patent)

9. Hongri Cong (1 out of 1 patent)

10. Shibo Shao (1 out of 1 patent)

11. Yangfan Zhou (1 out of 1 patent)

12. Peixiang Ni (1 out of 1 patent)

13. Jun Sun (1 out of 1 patent)

14. Yongming Guo (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12503772 - Method for increasing wear resistance of surface of crankshaft using ceramic coating (2025-12-23),

2. 11946120 - Method for controlling amount of silicon added to ductile cast iron, method for casting ductile cast iron, and cast product (2024-04-02),

3. 11306767 - Method for connecting rod (2022-04-19),

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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#6 in Weihai

#7,230 in China

Tianrun Industry Technology Co., Ltd.

Forward Citations = 0

14 inventors:

Jianchen Cong (3 out of 3 patents)

Shijie Lv (2 out of 2 patents)

Meizhen Feng (2 out of 2 patents)

4. Yuping Hu (1 out of 1 patent)

5. Xuezhong Dai (1 out of 1 patent)

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