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Guanghan, China

Sichuan Honghua Petroleum Equipment Co., Ltd.

USPTO Granted Patents = 9

Forward Citations = 4

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51 inventors (with patents filed for the assignee):

Aimin Tang (4 out of 4 patents)

Yan Lyu (3 out of 3 patents)

Yu Tian (3 out of 5 patents)

4. Xiaohu Li (2 out of 2 patents)

5. Xiaowu Ou (2 out of 2 patents)

6. Qionghua Yang (2 out of 2 patents)

7. Junqing Chai (2 out of 2 patents)

8. Hongke Xia (2 out of 2 patents)

9. Chong Chen (1 out of 1 patent)

10. Zhigang Li (1 out of 1 patent)

11. Bo He (1 out of 1 patent)

12. Hang Gao (1 out of 1 patent)

13. Ying Li (1 out of 1 patent)

14. Lin Wang (1 out of 1 patent)

15. Rui Luo (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 12331784 - Crosshead part and crosshead system for drilling pumps and the drilling pumps (2025-06-17),

2. 12234711 - Hard pipe connecting device and manifold system thereof (2025-02-25),

3. 12157097 - Fully electric-drive sand-mixing apparatus, and automatic control system for fully electric-drive sand-mixing apparatus (2024-12-03),

4. 12152448 - Coiled tubing operating system and coiled tubing operating method (2024-11-26),

5. 11603720 - Methods for tripping a drilling rig or a workover rig (2023-03-14),

6. 11299942 - Drilling machines and methods thereof (2022-04-12),

7. 11286731 - Pipe racking system (2022-03-29),

8. 11028651 - Drilling rig (2021-06-08),

9. 9016378 - Shale gas operation method (2015-04-28),

Sichuan Honghua Petroleum Equipment Co., Ltd. is a leading provider of petroleum equipment and services in China. Established in 1997, the company specializes in the research, development, and manufacturing of drilling equipment and technologies for the oil and gas industry. With a strong commitment to innovation and quality, Honghua Petroleum Equipment has built a reputation for delivering reliable and efficient solutions to its customers worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

9 Patents

#1 in Guanghan

#2,742 in China

Guanghan, China

Sichuan Honghua Petroleum Equipment Co., Ltd.

Forward Citations = 4

51 inventors:

Aimin Tang (4 out of 4 patents)

Yan Lyu (3 out of 3 patents)

Yu Tian (3 out of 5 patents)

4. Xiaohu Li (2 out of 2 patents)

5. Xiaowu Ou (2 out of 2 patents)

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