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For the Inventor, By the Inventor

Zhuji Shaoxing, China

Zhejiang Dunan Artificial Environment Co., Ltd.

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USPTO Granted Patents = 21


Forward Citations = 0

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44 inventors (with patents filed for the assignee):

goldMedal Yonghao Chen (6 out of 6 patents)

silverMedal Zhongbo Feng (5 out of 12 patents)

bronzeMedal Yuchen He (5 out of 5 patents)

4.  Guanjun Xu (4 out of 4 patents)

5.  Yongbin Xuan (3 out of 4 patents)

6.  Zhijun Kang (3 out of 5 patents)

7.  Fugang Wang (2 out of 9 patents)

8.  Lifeng Zheng (2 out of 3 patents)

9.  Jiyou Zhang (2 out of 3 patents)

10.  Zhouyang Shou (2 out of 2 patents)

11.  Hongfeng Huang (2 out of 2 patents)

12.  Guanjun Wang (2 out of 2 patents)

13.  Fangying Zhu (2 out of 2 patents)

14.  Leqiang Liu (2 out of 2 patents)

15.  Wenjian Wei (1 out of 17 patents)


21 patents:

1. 12770767 - Framework, framework assembly, coil assembly, and electronic expansion valve (2026-10-20),
2. 12768600 - Triangular heat exchanger (2026-10-20),
3. 12768466 - Ball valve (2026-10-20),
4. 12768452 - Valve needle component and flow regulating valve (2026-10-20),
5. 12760946 - Bidirectional throttle valve, first air conditioning system and second air conditioning system (2026-10-13),
6. 12747804 - Expansion valve coil structure and preparing method thereof, and expansion valve (2026-09-29),
7. 12747794 - Valve head structure and flow regulating valve with valve head structure (2026-09-29),
8. 12710098 - Valve Needle and Electronic Expansion Valve Having Valve Needle (2026-08-18),
9. 12693055 - Control method, control apparatus, and electronic expansion valve (2026-07-28),
10. 12692944 - Electronic expansion valve (2026-07-28),
11. 12687242 - Electronic expansion valve (2026-07-21),
12. 12687241 - Rotary control valve and control method of rotary control valve (2026-07-21),
13. 12686538 - Bottle solenoid valve (2026-07-21),
14. 12674624 - Heat exchanger (2026-07-07),
15. 12674515 - Four-way valve and air conditioning system provided with same (2026-07-07),
Company Overview
Zhejiang Dunan Artificial Environment Co., Ltd. is a prominent player in the field of artificial environment technology, specializing in the development and manufacturing of advanced HVAC systems and environmental control solutions. The company focuses on enhancing indoor air quality and energy efficiency through innovative designs and technologies. Based in Zhuji, Shaoxing, China, Dunan is committed to research and development, aiming to provide sustainable and intelligent solutions for various industries, including residential, commercial, and industrial applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

21 Patents

#62 in Zhuji Shaoxing

#1,403 in China

#30,018 in the World

Zhuji Shaoxing, CN
Zhuji Shaoxing, China

Zhejiang Dunan Artificial Environment Co., Ltd.

Forward Citations = 0

44 inventors:

goldMedal Yonghao Chen (6 out of 6 patents)

silverMedal Zhongbo Feng (5 out of 12 patents)

bronzeMedal Yuchen He (5 out of 5 patents)

4.  Guanjun Xu (4 out of 4 patents)

5.  Yongbin Xuan (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Zhejiang Dunan Artificial Environment Co., Ltd.. Retrieved from https://idiyas.com/company/zhejiang-dunan-artificial-environment

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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