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Hangzhou, China

Powerchina Huadong Engineering Corporation Limited

USPTO Granted Patents = 22

EPO Patents = 1

Forward Citations = 13

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99 inventors (with patents filed for the assignee):

Zhigang Shan (5 out of 6 patents)

Miaojun Sun (4 out of 6 patents)

Jing Hou (4 out of 10 patents)

4. Huafeng Yu (3 out of 3 patents)

5. Haifeng Qi (3 out of 5 patents)

6. Chunlin Huang (3 out of 3 patents)

7. Chunsheng Zhang (3 out of 4 patents)

8. Xingjian Sun (3 out of 3 patents)

9. Shengxiao Zhao (2 out of 3 patents)

10. Qunyi Tang (2 out of 2 patents)

11. Zhenzhou Sun (2 out of 2 patents)

12. Dongliang Zhang (2 out of 3 patents)

13. Xianlin Jia (2 out of 2 patents)

14. Baofeng Zhang (2 out of 2 patents)

15. Gen Xiong (2 out of 2 patents)

22 patents: Sort by Forward Citations

1. 12435588 - Rapid assembly and automatic sampling drilling tool for frozen soil layer exploration (2025-10-07),

2. 12325013 - One-step method for preparing magnetic magnesium-iron layered double hydroxide (LDH)-biochar composite material and use thereof (2025-06-10),

3. 12037907 - Hypergravity model test device and method for simulating progressive failure of shield tunnel face (2024-07-16),

4. 11788409 - Auto-collapsible pore pressure probe device and operating method thereof (2023-10-17),

5. 11645842 - Method for tracing pollution at drainage outlet of culvert (2023-05-09),

6. 11555480 - Prestressed-bolted dry-assembled segmental precast hybrid tower with grouting-free (2023-01-17),

7. 11058971 - Oil-water separator for offshore wind farm (2021-07-13),

8. 11035091 - Transportation device for offshore platforms and method for installing the same (2021-06-15),

9. 11008242 - Deep sludge dewatering method using electroosmosis with filter bags (2021-05-18),

10. 10853537 - Model test system for seabed seismic wave detection and method thereof (2020-12-01),

11. 10716296 - Floating offshore wind turbine integrated with steel fish farming cage (2020-07-21),

12. 10684111 - Non-destructive detection method and device of effective anchorage depth of full-length bonding anchor (2020-06-16),

13. 10381671 - Method for removing pentavalent antimony contaminants in water and fuel cell (2019-08-13),

14. 10378172 - Yieldable construction method for early releasing surrounding rock deformation on weak counter-inclined slope (2019-08-13),

15. 10353113 - Response surface method for identifying the parameters of Burgers model for slope soil (2019-07-16),

PowerChina Huadong Engineering Corporation Limited is a subsidiary of Power Construction Corporation of China (PowerChina), specializing in engineering, procurement, and construction (EPC) services for energy and infrastructure projects. With a focus on hydropower, thermal power, renewable energy, power transmission, and distribution projects, the company has a strong track record in delivering reliable and sustainable solutions. PowerChina Huadong Engineering Corporation Limited is committed to innovation, quality, and social responsibility, contributing to the global development of clean energy and infrastructure.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

22 Patents

#30 in Hangzhou

#1,198 in China

#27,907 in the World

Hangzhou, China

Powerchina Huadong Engineering Corporation Limited

Forward Citations = 13

99 inventors:

Zhigang Shan (5 out of 6 patents)

Miaojun Sun (4 out of 6 patents)

Jing Hou (4 out of 10 patents)

4. Huafeng Yu (3 out of 3 patents)

5. Haifeng Qi (3 out of 5 patents)

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