H01H 53/02
Electrodynamic relays, i.e. relays in which the interaction is between two current-carrying
Official title: Electrodynamic relays, i.e. relays in which the interaction is between two current-carrying conductors
H01H53/02 (Electrodynamic relays, i.e. relays in which the interaction is between two current-carrying) appears on 18 US grants and 22 published applications in this corpus.
Search patents in H01H- Granted patents
- 18
- Published applications
- 22
- Assignees
- 11
- Inventors
- 32
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 3 |
| 2023 | 2 | 6 |
| 2024 | 6 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Movable contact part and direct current relay comprising same12 May 2026US 12,626,877 B2Ls Electric Co., Ltd.
- Component assemblies and methods of manufacturing component assemblies that include a magnetic yoke assembly for electromechanical contactors and relays20 Jan 2026US 12,531,199 B2Sensata Technologies, Inc.
- Short circuit current-resistant and arc-extinguishing DC relay4 Mar 2025US 12,243,700 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Levitation fuse device12 Nov 2024US 12,142,444 B2Gigavac, LLC
- Direct-current relay capable of extinguishing arc and resisting short-circuit current2 Jul 2024US 12,027,333 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Dc relay for anti-short circuit current and arc extinction8 May 2025US 2025/0149280 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Dc relay for anti-short circuit current and arc extinction8 May 2025US 2025/0149281 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Short circuit current-resistant and arc-extinguishing dc relay30 May 2024US 2024/0177956 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Movable contact part and direct current relay comprising same18 Jan 2024US 2024/0021389 A1Ls Electric Co., Ltd.
- Direct-current relay capable of extinguishing arc and resisting short-circuit current17 Aug 2023US 2023/0260730 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
Most cited
By later US patents
- Short circuit current-resistant and arc-extinguishing DC relay8US 12,243,700 B2Xiamen Hongfa Electric Power Controls Co., Ltd. · 2025
- Relay8US 8,841,979 B2Anden Co., Ltd. · 2014
- Micro-electromechanical switching device7US 7,202,763 B2NXP B. V. · 2007
- Direct-current relay resistant to short-circuit current5US 11,670,472 B2Xiamen Hongfa Electric Power Controls Co., Ltd. · 2023
- Anti-short circuit structure of high-capacity relay4US 11,735,386 B22023