Qianfeng LI

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Patents Grantslast 30 patents

Information Patent Grant
Transformer short-circuit protection method and transformer short-c...
- Patent number 11,728,639
- Issue date Aug 15, 2023
- Delta Electronics (Shanghai) Co., Ltd.
- Zehua Zhou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Centralized charging cabinet provided with isolation area and charg...
- Patent number 11,588,337
- Issue date Feb 21, 2023
- Delta Electronics (Shanghai) Co., Ltd.
- Hongyang Wu
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
TRANSFORMER SHORT-CIRCUIT PROTECTION METHOD AND TRANSFORMER SHORT-C...
- Publication number 20220149612
- Publication date May 12, 2022
- DELTA ELECTRONICS (SHANGHAI) CO.,LTD.
- Zehua ZHOU
- G01 - MEASURING TESTING
Information Patent Application
CENTRALIZED CHARGING CABINET
- Publication number 20200335989
- Publication date Oct 22, 2020
- DELTA ELECTRONICS (SHANGHAI) CO., LTD.
- Hongyang WU
- B60 - VEHICLES IN GENERAL