Inventor
CHEN SONGSHENG
CN10 patents
Patents
10 patentsUS12482621B2Nov 25, 2025
Connecting structure between lead-out pins of auxiliary stationary contacts and yoke plate of DC relay
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD0 citations56
US12368014B2Jul 22, 2025
High-voltage DC relay
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD0 citations56
US12009172B2Jun 11, 2024
High-voltage DC relay with auxiliary contact
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD1 citations56
US12183534B2Dec 31, 2024
High-voltage direct current relay capable of improving insulation capability
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD0 citations50
US12354819B2Jul 8, 2025
High-voltage DC relay
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD0 citations47
US11164711B2Nov 2, 2021
DC contactor with dual micro switches
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD0 citations47
US12592353B2Mar 31, 2026
Relay
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD0 citations46
US12080501B2Sep 3, 2024
High-voltage direct-current magnetic latching relay with sensitive response
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD0 citations45
US12488954B2Dec 2, 2025
Relay having a pressure relief valve assembly
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD0 citations44
US12562320B2Feb 24, 2026
High-voltage DC relay with permanent magnet arc extinguishing function
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD0 citations40