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Petro-king Technology Co., Ltd

USPTO Granted Patents = 1

Forward Citations = 1

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6 inventors (with patents filed for the assignee):

Jianfeng Liu (1 out of 63 patents)

Ruijie Pang (1 out of 2 patents)

Jiangping Li (1 out of 2 patents)

4. Renjin Chen (1 out of 2 patents)

5. Fuzeng Pang (1 out of 1 patent)

6. Maoyong Zhou (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 11371313 - Hard-sealing soluble bridge plug (2022-06-28),

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USPTO Data Jan 1 1976 - Dec 23 2025

1 Patents

#96 in Huizhou

#16,077 in China

Petro-king Technology Co., Ltd

Forward Citations = 1

6 inventors:

Jianfeng Liu (1 out of 63 patents)

Ruijie Pang (1 out of 2 patents)

Jiangping Li (1 out of 2 patents)

4. Renjin Chen (1 out of 2 patents)

5. Fuzeng Pang (1 out of 1 patent)

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