Lifeng ZHENG

Follow

Person

Shaoxing, CN

People

Patents Applicationslast 30 patents

Information Patent Application
Framework, Framework Assembly, Coil Assembly, and Electronic Expans...
- Publication number 20250052334
- Publication date Feb 13, 2025
- Zhejiang DunAn Artificial Environment Co., Ltd
- Jiyou ZHANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
EXPANSION VALVE COIL STRUCTURE AND PREPARING METHOD THEREOF, AND EX...
- Publication number 20240309962
- Publication date Sep 19, 2024
- ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
- Jiyou ZHANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
EXPANSION VALVE COIL ASSEMBLY
- Publication number 20220181057
- Publication date Jun 9, 2022
- Zhejiang DunAn Artificial Environment Co., Ltd
- Lifeng ZHENG
- H01 - BASIC ELECTRIC ELEMENTS