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For the Inventor, By the Inventor

Beijing, China

Greentech Environment Co., Ltd.


USPTO Granted Patents = 11


Forward Citations = 0

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18 inventors (with patents filed for the assignee):

goldMedal Zehua Li (11 out of 11 patents)

silverMedal Mu Liu (11 out of 11 patents)

bronzeMedal Huiming Han (10 out of 10 patents)

4.  Yingqiang Su (10 out of 10 patents)

5.  Kai Sun (9 out of 43 patents)

6.  Mengyuan Duan (9 out of 9 patents)

7.  XiKun Zhu (8 out of 8 patents)

8.  Liyan Zhang (7 out of 7 patents)

9.  Xiaofeng Lin (5 out of 5 patents)

10.  Cong Xiao (3 out of 3 patents)

11.  Jin Li (1 out of 140 patents)

12.  Qiaoyun Zhang (1 out of 1 patent)

13.  Yuan Liu (1 out of 25 patents)

14.  Hexing Zhang (1 out of 1 patent)

15.  Xiaohong Niu (1 out of 1 patent)


11 patents:

1. 12509374 - System and method for softening high-salinity water via self-induced calcium bicarbonate crystallization in fluidized bed (2025-12-30),
2. 12486179 - Control method for delaying nanofiltration membrane aluminum fouling of water treatment system (2025-12-02),
3. 12162783 - Saline wastewater treatment method and system (2024-12-10),
4. 12151210 - Method for controlling hollow fiber nanofiltration membrane system with controllable power consumption (2024-11-26),
5. 12145869 - Hollow fiber nanofiltration membrane system and control method thereof (2024-11-19),
6. 12023628 - Drinking water purification system with a backwashable filter cartridge and a nanofiltration system (2024-07-02),
7. 11772999 - System and method for treating reverse-osmosis concentrated water with high temporary hardness (2023-10-03),
8. 11772995 - Total nitrogen removal device for sewage and method for operating the same (2023-10-03),
9. 11760675 - System and method for treating printed circuit board (PCB) wastewater (2023-09-19),
10. 11440819 - Dosing control method and system for micro-flocculation in ultrafiltration (2022-09-13),
11. 11046593 - System for treating reverse-osmosis concentrated water with permanent hardness (2021-06-29),
Company Overview
Greentech Environment Co., Ltd. is a prominent player in the environmental technology sector, specializing in innovative solutions for waste management and pollution control. The company focuses on developing advanced technologies that promote sustainable practices and enhance environmental protection. Based in Beijing, Greentech Environment is committed to addressing pressing ecological challenges through research and development in areas such as waste treatment, resource recovery, and renewable energy integration, contributing to a cleaner and more sustainable future.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#263 in Beijing

#2,552 in China

#51,761 in the World

Beijing, CN
Beijing, China

Greentech Environment Co., Ltd.

Forward Citations = 0

18 inventors:

goldMedal Zehua Li (11 out of 11 patents)

silverMedal Mu Liu (11 out of 11 patents)

bronzeMedal Huiming Han (10 out of 10 patents)

4.  Yingqiang Su (10 out of 10 patents)

5.  Kai Sun (9 out of 43 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Greentech Environment Co., Ltd.. Retrieved from https://idiyas.com/company/greentech-environment-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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