Yongfu XU

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Quick tripping device and circuit breaker
- Patent number 12,308,192
- Issue date May 20, 2025
- CHINT LOW VOLTAGE ELECTRICAL TECHNOLOGY CO., LTD.
- Denggui Ao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Short-current protection action current adjusting method and device...
- Patent number 9,991,078
- Issue date Jun 5, 2018
- NOARK ELECTRICS (SHANGHAI) CO. LTD.
- Denggui Ao
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPERATING MECHANISM AND SWITCHING DEVICE
- Publication number 20250218699
- Publication date Jul 3, 2025
- Chint Low Voltage Electrical Technology Co., Ltd.
- Wei YAO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPERATING MECHANISM AND ISOLATING SWITCH
- Publication number 20250201495
- Publication date Jun 19, 2025
- Chint Low Voltage Electrical Technology Co., Ltd.
- Wei YAO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CIRCUIT BREAKER AND QUICK TRIPPING DEVICE THEREOF
- Publication number 20240242910
- Publication date Jul 18, 2024
- Chint Low Voltage Electrical Technology Co., Ltd.
- Denggui AO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPERATING MECHANISM AND SWITCHING DEVICE
- Publication number 20240212955
- Publication date Jun 27, 2024
- Chint Low Voltage Electrical Technology Co., Ltd.
- Wei YAO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CIRCUIT BREAKER AND OPERATING MECHANISM THEREOF
- Publication number 20240212963
- Publication date Jun 27, 2024
- Chint Low Voltage Electrical Technology Co., Ltd.
- Denggui AO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPERATING MECHANISM OF CIRCUIT BREAKER, AND CIRCUIT BREAKER
- Publication number 20230377825
- Publication date Nov 23, 2023
- Chint Low Voltage Electrical Technology Co., Ltd.
- Denggui AO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
QUICK TRIPPING DEVICE AND CIRCUIT BREAKER
- Publication number 20230377824
- Publication date Nov 23, 2023
- Chint Low Voltage Electrical Technology Co., Ltd.
- Denggui AO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPERATING MECHANISM OF CIRCUIT BREAKER AND ASSEMBLING BREAKER
- Publication number 20230368997
- Publication date Nov 16, 2023
- Chint Low Voltage Electrical Technology Co., Ltd.
- Denggui AO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SHORT-CURRENT PROTECTION ACTION CURRENT ADJUSTING METHOD AND DEVICE...
- Publication number 20170133186
- Publication date May 11, 2017
- NOARK Electrics (Shanghai) Co. Ltd.
- Denggui AO
- H01 - BASIC ELECTRIC ELEMENTS

Person

Patents Grantslast 30 patents

Quick tripping device and circuit breaker

Short-current protection action current adjusting method and device...

Patents Applicationslast 30 patents

OPERATING MECHANISM AND SWITCHING DEVICE

OPERATING MECHANISM AND ISOLATING SWITCH

CIRCUIT BREAKER AND QUICK TRIPPING DEVICE THEREOF

OPERATING MECHANISM AND SWITCHING DEVICE

CIRCUIT BREAKER AND OPERATING MECHANISM THEREOF

OPERATING MECHANISM OF CIRCUIT BREAKER, AND CIRCUIT BREAKER

QUICK TRIPPING DEVICE AND CIRCUIT BREAKER

OPERATING MECHANISM OF CIRCUIT BREAKER AND ASSEMBLING BREAKER

SHORT-CURRENT PROTECTION ACTION CURRENT ADJUSTING METHOD AND DEVICE...