H01H 51/2209
With rectilinearly movable armature
Official title: {with rectilinearly movable armature}
H01H51/2209 (With rectilinearly movable armature) appears on 214 US grants and 137 published applications in this corpus.
Search patents in H01H- Granted patents
- 214
- Published applications
- 137
- Assignees
- 130
- Inventors
- 419
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 11 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 8 | 7 |
| 2003 | 7 | 3 |
| 2004 | 8 | 7 |
| 2005 | 4 | 5 |
| 2006 | 6 | 6 |
| 2007 | 4 | 3 |
| 2008 | 0 | 7 |
| 2009 | 4 | 7 |
| 2010 | 5 | 4 |
| 2011 | 4 | 4 |
| 2012 | 8 | 3 |
| 2013 | 4 | 9 |
| 2014 | 6 | 2 |
| 2015 | 6 | 15 |
| 2016 | 8 | 14 |
| 2017 | 14 | 7 |
| 2018 | 3 | 3 |
| 2019 | 12 | 1 |
| 2020 | 2 | 6 |
| 2021 | 1 | 3 |
| 2022 | 5 | 3 |
| 2023 | 1 | 5 |
| 2024 | 3 | 4 |
| 2025 | 4 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Magnetic circuit system with enhanced initial electromagnetic attraction and high-voltage DC relay5 May 2026US 12,620,537 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Electrical switching device with locking function14 Apr 2026US 12,603,240 B2Schaltbau GmbH
- Circuit breaker27 May 2025US 12,311,784 B2Ellenberger & Poensgen GmbH
- Direct current relay and manufacturing method therefor11 Mar 2025US 12,249,473 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.
- Switching device27 Aug 2026US 2026/0253825 A1Ellenberger & Poensgen GmbH
- Magnetic circuit system with enhanced intial electromagnetic attraction and high-voltage dc relay20 Aug 2026US 2026/0245820 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Relay9 Jul 2026US 2026/0196433 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Digital control for circuit breakers12 Feb 2026US 2026/0045433 A1Schneider Electric USA, Inc.
- Electromagnet contact device11 Sep 2025US 2025/0285822 A1YM Tech Co., Ltd.
Most cited
By later US patents