H01H 50/16
Magnetic circuit arrangements
H01H50/16 (Magnetic circuit arrangements) appears on 1,408 US grants and 1,231 published applications in this corpus.
Search patents in H01H- Granted patents
- 1,408
- Published applications
- 1,231
- Assignees
- 466
- Inventors
- 2,208
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 16 | 0 |
| 1978 | 13 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 11 | 0 |
| 1982 | 17 | 0 |
| 1983 | 7 | 0 |
| 1984 | 17 | 0 |
| 1985 | 23 | 0 |
| 1986 | 16 | 0 |
| 1987 | 24 | 0 |
| 1988 | 16 | 0 |
| 1989 | 14 | 0 |
| 1990 | 14 | 0 |
| 1991 | 21 | 0 |
| 1992 | 12 | 0 |
| 1993 | 17 | 0 |
| 1994 | 13 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 12 | 0 |
| 1998 | 13 | 0 |
| 1999 | 29 | 0 |
| 2000 | 20 | 0 |
| 2001 | 17 | 3 |
| 2002 | 20 | 17 |
| 2003 | 9 | 14 |
| 2004 | 22 | 19 |
| 2005 | 14 | 14 |
| 2006 | 8 | 21 |
| 2007 | 14 | 14 |
| 2008 | 7 | 17 |
| 2009 | 14 | 27 |
| 2010 | 11 | 22 |
| 2011 | 20 | 14 |
| 2012 | 34 | 42 |
| 2013 | 42 | 53 |
| 2014 | 29 | 40 |
| 2015 | 47 | 87 |
| 2016 | 61 | 85 |
| 2017 | 75 | 60 |
| 2018 | 57 | 63 |
| 2019 | 57 | 74 |
| 2020 | 61 | 80 |
| 2021 | 68 | 79 |
| 2022 | 84 | 88 |
| 2023 | 67 | 89 |
| 2024 | 80 | 96 |
| 2025 | 69 | 64 |
| 2026 | 48 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electromagnetic relay29 Sep 2026US 12,749,640 B2OMRON Corporation
- High-voltage DC relay22 Sep 2026US 12,744,174 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Arc path formation unit and direct current relay comprising same22 Sep 2026US 12,744,175 B2Ls Electric Co., Ltd.
- Electromagnetic relay15 Sep 2026US 12,738,435 B2Excel Cell Electronic Co., Ltd.
- Relay8 Sep 2026US 12,731,745 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Relay8 Oct 2026US 2026/0311945 A1Sensata Technologies (Wuhu) Co., Ltd.
- Electromagnetic contactor having structure for improving operation performance8 Oct 2026US 2026/0311946 A1Ls E-Mobility Solutions Co., Ltd.
- Contactor1 Oct 2026US 2026/0302114 A1Schneider Electric Industries SAS
- High-voltage contactor or high-voltage relay1 Oct 2026US 2026/0302115 A1Pierburg GmbH
- Relay1 Oct 2026US 2026/0302116 A1Sensata Technologies (Wuhu) Co., Ltd.
Most cited
By later US patents
- Sealed contact device with contact gap adjustment capability102US 5,892,194 AMatsushita Electric Works, Ltd. · 1999
- Electromagnetic contactor with energy balanced closing system101US 4,893,102 AWestinghouse Electric Corp. · 1990
- Current limiting circuit breaker with integral magnetic drive device housing and contact arm stop94US 4,220,934 AWestinghouse Electric Corp. · 1980
- Solenoid actuator having a magnetic flux sensor87US 5,032,812 AAutomatic Switch Company · 1991
- Electromagnetic switching apparatus68US 6,911,884 B2Matsushita Electric Works, Ltd. · 2005