Jingjing Xu

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Qingyuan City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Heat pump system
- Patent number 12,331,970
- Issue date Jun 17, 2025
- Tyco Fire & Security GmbH
- Xiening Qiu
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
HEAT PUMP SYSTEM
- Publication number 20230213249
- Publication date Jul 6, 2023
- York Guangzhou Air Conditioning and Refrigeration CO., LTD.
- Xiening Qiu
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...