H01H 53/04
Ferrodynamic relays, i.e. relays in which the magnetic field is concentrated in
Official title: Ferrodynamic relays, i.e. relays in which the magnetic field is concentrated in ferromagnetic parts
H01H53/04 (Ferrodynamic relays, i.e. relays in which the magnetic field is concentrated in) appears on 3 US grants and 6 published applications in this corpus.
Search patents in H01H- Granted patents
- 3
- Published applications
- 6
- Assignees
- 3
- Inventors
- 8
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Movable contact part and direct current relay comprising same12 May 2026US 12,626,877 B2Ls Electric Co., Ltd.
- Short circuit current-resistant and arc-extinguishing DC relay4 Mar 2025US 12,243,700 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Anti-short circuit structure of high-capacity relay22 Aug 2023US 11,735,386 B2
- 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.
- Anti-Short Circuit Structure of High-Capacity Relay21 Apr 2022US 2022/0122792 A1Dongguan Zhonghui Ruide Electronics Co., Ltd
Most cited
By later US patents