Inventor · disambiguated record
Yongfu Xu
Also filed as: XU YONGFU
4 granted patents·7 pending applications·0 citations·filing 2015–2023
51Inventor score
Technology areasH01H
Files withCHINT LOW VOLTAGE ELECTRICAL TECH CO LTD9NOARK ELECTRICS SHANGHAI CO LTD1ZHEJIANG CHINT ELECTRICS CO LTD1
Top patents by PatentIndex Score
11 records- 0155US12412719B2Operating mechanism of circuit breaker, and circuit breakerCHINT LOW VOLTAGE ELECTRICAL TECH CO LTD·Filed 2022·Granted Sep 9, 2025·0 cites·15 claims
- 0253US12431310B2Operating mechanism of circuit breaker and assembling breakerCHINT LOW VOLTAGE ELECTRICAL TECH CO LTD·Filed 2022·Granted Sep 30, 2025·0 cites·10 claims
- 0352US12308192B2Quick tripping device and circuit breakerCHINT LOW VOLTAGE ELECTRICAL TECH CO LTD·Filed 2022·Granted May 20, 2025·0 cites·11 claims
- 0448US2025218699A1Operating mechanism and switching deviceCHINT LOW VOLTAGE ELECTRICAL TECH CO LTD·Filed 2023·Application pending·0 cites
- 0547US2025201495A1Operating mechanism and isolating switchCHINT LOW VOLTAGE ELECTRICAL TECH CO LTD·Filed 2023·Application pending·0 cites
- 0647US2024212955A1Operating mechanism and switching deviceCHINT LOW VOLTAGE ELECTRICAL TECH CO LTD·Filed 2022·Application pending·0 cites
- 0745US2025253114A1Arc-extinguishing mechanismCHINT LOW VOLTAGE ELECTRICAL TECH CO LTD·Filed 2023·Application pending·0 cites
- 0845US2024203680A1Air-blowing tripping mechanism and molded case circuit breakerZHEJIANG CHINT ELECTRICS CO LTD·Filed 2022·Application pending·0 cites
- 0944US2025372330A1Circuit breaker and operating mechanism thereofCHINT LOW VOLTAGE ELECTRICAL TECH CO LTD·Filed 2023·Application pending·0 cites
- 1040US2024242910A1Circuit breaker and quick tripping device thereofCHINT LOW VOLTAGE ELECTRICAL TECH CO LTD·Filed 2022·Application pending·0 cites
- 1123US9991078B2Short-current protection action current adjusting method and device thereof and device for multi-pole electromagnetic releaseNOARK ELECTRICS SHANGHAI CO LTD·Filed 2015·Granted Jun 5, 2018·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Yongfu Xu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →