Ferrodynamic relays

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Patents Grantslast 30 patents

Information Patent Grant
Short circuit current-resistant and arc-extinguishing DC relay
- Patent number 12,243,700
- Issue date Mar 4, 2025
- Xiamen Hongfa Electric Power Controls Co., Ltd.
- Shuming Zhong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Anti-short circuit structure of high-capacity relay
- Patent number 11,735,386
- Issue date Aug 22, 2023
- Kangping Zhou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3141078
- Patent number 3,141,078
- Issue date Jul 14, 1964
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2053619
- Patent number 2,053,619
- Issue date Sep 8, 1936
- H01 - BASIC ELECTRIC ELEMENTS