Membership
Tour
Register
Log in
Xiamen Hongfa Electric Power Controls Co., Ltd.
Follow
Organization
Xiamen, Fujian, CN
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
High-voltage direct current relay capable of improving insulation c...
Patent number
12,183,534
Issue date
Dec 31, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang Dai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Relay
Patent number
D1042363
Issue date
Sep 17, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Relay
Patent number
D1042364
Issue date
Sep 17, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Direct-current relay capable of extinguishing arc and resisting sho...
Patent number
12,027,335
Issue date
Jul 2, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Direct-current relay capable of extinguishing arc and resisting sho...
Patent number
12,027,334
Issue date
Jul 2, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Direct-current relay capable of extinguishing arc and resisting sho...
Patent number
12,027,333
Issue date
Jul 2, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Direct-current relay having a function of extinguishing ARC and res...
Patent number
12,020,881
Issue date
Jun 25, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Direct-current relay having a function of extinguishing arc and res...
Patent number
12,020,880
Issue date
Jun 25, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-voltage DC relay with auxiliary contact
Patent number
12,009,172
Issue date
Jun 11, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-voltage DC relay having a movable piece
Patent number
12,002,641
Issue date
Jun 4, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Direct-current relay resistant to short-circuit current
Patent number
11,670,472
Issue date
Jun 6, 2023
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-voltage DC relay
Patent number
11,501,939
Issue date
Nov 15, 2022
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic latching relay capable of accurately positioning magnetic...
Patent number
11,476,070
Issue date
Oct 18, 2022
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
DC contactor with dual micro switches
Patent number
11,164,711
Issue date
Nov 2, 2021
Xiamen Hongfa Electric Power Controls Co., Ltd.
Songsheng Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic latching relay capable of resisting short-circuit current
Patent number
11,031,202
Issue date
Jun 8, 2021
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-voltage direct-current relay and assembly method therefor
Patent number
10,854,410
Issue date
Dec 1, 2020
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shengsheng Shi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Framework of relay and relay
Patent number
10,068,731
Issue date
Sep 4, 2018
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic latching relay having asymmetrical solenoid structure
Patent number
9,640,336
Issue date
May 2, 2017
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
CONTACT PART AND RELAY
Publication number
20240395488
Publication date
Nov 28, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang Dai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY
Publication number
20240387131
Publication date
Nov 21, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang Dai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CONTACT PIECE STRUCTURE AND MAGNETIC HOLDING RELAY
Publication number
20240387134
Publication date
Nov 21, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Guojin LIAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY
Publication number
20240387132
Publication date
Nov 21, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang Dai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CONTACT PIECE STRUCTURE AND MAGNETIC LATCHING RELAY
Publication number
20240387133
Publication date
Nov 21, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang DAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY
Publication number
20240387136
Publication date
Nov 21, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang Dai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FIXING FRAME AND MAGNETIC LATCHING RELAY
Publication number
20240387138
Publication date
Nov 21, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang DAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETIC LATCHING RELAY
Publication number
20240387130
Publication date
Nov 21, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang DAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY
Publication number
20240387135
Publication date
Nov 21, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang Dai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY
Publication number
20240387137
Publication date
Nov 21, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang Dai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH-VOLTAGE DIRECT CURRENT (DC) RELAY CAPABLE OF ENHANCING ARC EXT...
Publication number
20240379300
Publication date
Nov 14, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang DAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY
Publication number
20240347299
Publication date
Oct 17, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming ZHONG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY
Publication number
20240347303
Publication date
Oct 17, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang DAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY
Publication number
20240347301
Publication date
Oct 17, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang DAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY
Publication number
20240347298
Publication date
Oct 17, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang DAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY
Publication number
20240347300
Publication date
Oct 17, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang DAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY
Publication number
20240347297
Publication date
Oct 17, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang DAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY
Publication number
20240347302
Publication date
Oct 17, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Meng WANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY
Publication number
20240312746
Publication date
Sep 19, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang DAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETIC SHIELDING STRUCTURE FOR RELAY CONTACT AND RELAY
Publication number
20240312744
Publication date
Sep 19, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang DAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH-VOLTAGE DC RELAY
Publication number
20240297008
Publication date
Sep 5, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming Zhong
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MULTI-PHASE ELECTROMAGNETIC RELAY
Publication number
20240282539
Publication date
Aug 22, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming ZHONG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SHORT CIRCUIT CURRENT-RESISTANT AND ARC-EXTINGUISHING DC RELAY
Publication number
20240177956
Publication date
May 30, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming ZHONG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH-VOLTAGE DC RELAY WITH PERMANENT MAGNET ARC EXTINGUISHING FUNCTION
Publication number
20240145188
Publication date
May 2, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang DAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETIC LATCHING RELAY HAVING MICROSWITCH
Publication number
20240128037
Publication date
Apr 18, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming ZHONG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY
Publication number
20240128038
Publication date
Apr 18, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Wenguang DAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HINGE TYPE BISTABLE MAGNETIC CIRCUIT STRUCTURE AND MAGNETIC LATCHIN...
Publication number
20240087827
Publication date
Mar 14, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming ZHONG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RELAY MOVABLE SPRING CAPABLE OF REDUCING TEMPERATURE RISE AND RELAY
Publication number
20240021392
Publication date
Jan 18, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming ZHONG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH-VOLTAGE DIRECT-CURRENT MAGNETIC LATCHING RELAY WITH SENSITIVE...
Publication number
20240006139
Publication date
Jan 4, 2024
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming ZHONG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH-VOLTAGE DC RELAY WITH AUXILIARY CONTACT
Publication number
20230395347
Publication date
Dec 7, 2023
Xiamen Hongfa Electric Power Controls Co., Ltd.
Shuming ZHONG
H01 - BASIC ELECTRIC ELEMENTS
Trademark
last 30 trademarks