23 Patents
- US126205372026Magnetic Circuit System with Enhanced Initial Electromagnetic Attraction and High-voltage DC Relay
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO., Ltd.
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- US125623202026High-voltage DC Relay with Permanent Magnet Arc Extinguishing Function
Xiamen Hongfa Electric Power Controls Co., Ltd.
0 cites - US124889542025Relay Having a Pressure Relief Valve Assembly
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO., Ltd.
0 cites - US124826212025Connecting Structure Between Lead-out Pins of Auxiliary Stationary Contacts and Yoke Plate of DC Relay
Xiamen Hongfa Electric Power Controls Co., Ltd.
0 cites - US124244052025High-voltage DC Relay with Auxiliary Contact
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO., Ltd.
0 cites - US123945832025Hinge Type Bistable Magnetic Circuit Structure and Magnetic Latching Relay
Xiamen Hongfa Electric Power Controls Co., Ltd.
0 cites - 0 cites
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- US122437002025Short Circuit Current-resistant and Arc-extinguishing DC Relay
Xiamen Hongfa Electric Power Controls Co., Ltd.
0 cites - 0 cites
- US121835342024High-voltage Direct Current Relay Capable of Improving Insulation Capability
Xiamen Hongfa Electric Power Controls Co., Ltd.
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- US120805012024High-voltage Direct-current Magnetic Latching Relay with Sensitive Response
Xiamen Mongfa Electric Power Controls Co., Ltd.
0 cites - US120273342024Direct-current Relay Capable of Extinguishing Arc and Resisting Short-circuit Current
Xiamen Hongfa Electric Power Controls Co., Ltd.
0 cites - US120273352024Direct-current Relay Capable of Extinguishing Arc and Resisting Short-circuit Current
Xiamen Hongfa Electric Power Controls Co., Ltd.
0 cites - US120273332024Direct-current Relay Capable of Extinguishing Arc and Resisting Short-circuit Current
Xiamen Hongfa Electric Power Controls Co., Ltd.
0 cites - US120208812024Direct-current Relay Having a Function of Extinguishing ARC and Resisting Short-circuit Current
Xiamen Hongfa Electric Power Controls Co., Ltd.
0 cites - US120208802024Direct-current Relay Having a Function of Extinguishing Arc and Resisting Short-circuit Current
Xiamen Hongfa Electric Power Controls Co., Ltd.
0 cites - US120091722024High-voltage DC Relay with Auxiliary Contact
Xiamen Hongfa Electric Power Controls Co., Ltd.
0 cites - US120026412024High-voltage DC Relay Having a Movable Piece
Xiamen Hongfa Electric Power Controls Co., Ltd.
0 cites - US116704722023Direct-current Relay Resistant to Short-circuit Current
Xiamen Hongfa Electric Power Controls Co., Ltd.
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