Zefeng Wei

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Changzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Power tool, detection circuit and detection method of load state of...
- Patent number 12,000,873
- Issue date Jun 4, 2024
- Globe (Jiangsu) Co., Ltd.
- Zefeng Wei
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High-voltage driver switch system and switching method
- Patent number 11,909,242
- Issue date Feb 20, 2024
- Globe (Jiangsu) Co., Ltd.
- Zefeng Wei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
STARTUP CONTROL CIRCUIT, POWER TOOL, AND STARTUP CONTROL METHOD THE...
- Publication number 20250219555
- Publication date Jul 3, 2025
- Greenworks (Jiangsu) Co., Ltd.
- Zefeng WEI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SUPPLY CONTROL CIRCUITS, POWER TOOLS, AND POWER TOOL SYSTEMS
- Publication number 20240275197
- Publication date Aug 15, 2024
- Greenworks (Jiangsu) Co., Ltd.
- Zefeng WEI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power tool, detection circuit and detection method of load state of...
- Publication number 20220291261
- Publication date Sep 15, 2022
- Globe (Jiangsu) Co., Ltd.
- Zefeng Wei
- G08 - SIGNALLING
Information Patent Application
HIGH-VOLTAGE DRIVER SWITCH SYSTEM AND SWITCHING METHOD
- Publication number 20210184483
- Publication date Jun 17, 2021
- Globe (Jiangsu) Co., Ltd.
- Zefeng Wei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER