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EPO Patents = 1

Forward Citations = 1

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53 inventors (with patents filed for the assignee):

Hualin Wang (7 out of 15 patents)

Xin Cui (4 out of 5 patents)

Ling Shen (3 out of 18 patents)

4. Jiangang Wang (3 out of 6 patents)

5. Jianping Li (3 out of 4 patents)

6. Xia Jiang (3 out of 5 patents)

7. Qiang Yang (2 out of 8 patents)

8. Yuan Huang (2 out of 3 patents)

9. Pengbo Fu (2 out of 4 patents)

10. Yanhong Zhang (2 out of 6 patents)

11. Liquan Li (2 out of 3 patents)

12. Chonggang Chen (2 out of 3 patents)

13. Qian Zeng (2 out of 3 patents)

14. Ying Zhao (2 out of 19 patents)

15. Qisong Shen (2 out of 2 patents)

7 patents: Sort by Forward Citations

1. 12466753 - Fluidized bed separation method and device for methanol-to-olefins quenched water (2025-11-11),

2. 12017939 - Oily sewage pretreatment method and device without air floatation (2024-06-25),

3. 12017937 - Rotational flow rotation deoiling method and device for oil-based mud rock debris (2024-06-25),

4. 11772091 - Method and apparatus for treating, sorting and recycling oil-containing discharged catalyst (2023-10-03),

5. 10041010 - Process and device for treating catalyst discharged from bubbling bed hydrogenation of residual oil (2018-08-07),

6. 9938472 - Method for enclosed recycling of oil-water-sludge in oil shale dry distillation system (2018-04-10),

7. 9533247 - Method and apparatus for micro-hydrocyclone purification for flue gas carbon dioxide capture system (2017-01-03),

Shanghai Huachang Environmental Protection Co., Ltd. is a leading provider of environmental protection solutions in China. With a focus on sustainable practices and cutting-edge technology, the company offers a range of services including waste management, pollution control, and recycling. Established in 2005, Huachang Environmental Protection has developed a strong reputation for delivering high-quality and cost-effective solutions to a wide range of clients across various industries.

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USPTO Data Jan 1 1976 - Dec 23 2025

7 Patents

#299 in Shanghai

#3,416 in China

Shanghai, China

Shanghai Huachang Environmental Protection Co., Ltd.