Zhaozhong LAN

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Shaoxing, Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Heat exchanger and air conditioner
- Patent number 12,326,302
- Issue date Jun 10, 2025
- ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
- Guanjun Wang
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Flat Tube and Heat Exchanger
- Publication number 20240263891
- Publication date Aug 8, 2024
- Zhejiang DunAn Artificial Environment Co., Ltd
- Zhongbo FENG
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
HEAT EXCHANGER AND AIR CONDITIONING DEVICE
- Publication number 20230384042
- Publication date Nov 30, 2023
- ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
- Guanjun WANG
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
HEAT EXCHANGER AND AIR CONDITIONER
- Publication number 20230375274
- Publication date Nov 23, 2023
- ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
- Guanjun WANG
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Heat Exchanger
- Publication number 20230184489
- Publication date Jun 15, 2023
- Zhejiang DunAn Artificial Environment Co., Ltd
- Ronghui CAO
- F28 - HEAT EXCHANGE IN GENERAL