H01H 50/38
Part of main magnetic circuit shaped to suppress arcing between the contacts
Official title: Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
H01H50/38 (Part of main magnetic circuit shaped to suppress arcing between the contacts) appears on 127 US grants and 160 published applications in this corpus.
Search patents in H01H- Granted patents
- 127
- Published applications
- 160
- Assignees
- 36
- Inventors
- 188
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 3 |
| 2004 | 2 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 9 |
| 2014 | 5 | 4 |
| 2015 | 6 | 6 |
| 2016 | 4 | 14 |
| 2017 | 11 | 7 |
| 2018 | 5 | 5 |
| 2019 | 9 | 10 |
| 2020 | 4 | 8 |
| 2021 | 11 | 11 |
| 2022 | 11 | 17 |
| 2023 | 11 | 20 |
| 2024 | 14 | 23 |
| 2025 | 18 | 13 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Arc path formation unit and direct current relay comprising same22 Sep 2026US 12,744,175 B2Ls Electric Co., Ltd.
- Relay21 Jul 2026US 12,688,989 B2BYD Company Limited
- Relay9 Jun 2026US 12,651,719 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Relay19 May 2026US 12,633,480 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Electromagnetic relay7 Apr 2026US 12,597,576 B2OMRON Corporation
- Relay comprising arc induction shield structure13 Aug 2026US 2026/0237582 A1Ls E-Mobility Solutions Co., Ltd.
- Arc path formation unit and direct current relay comprising same6 Aug 2026US 2026/0229435 A1Ls E-Mobility Solutions Co., Ltd.
- High-voltage dc relay with permanent magnet arc extinguishing function4 Jun 2026US 2026/0155321 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Electromagnetic relay9 Apr 2026US 2026/0100318 A1Denso Corporation
- Contactor19 Feb 2026US 2026/0051447 A1Tyco Electronics (Shanghai) Co., Ltd.
Most cited
By later US patents
- Electromagnetic relay52US 8,138,863 B2OMRON Corporation · 2012
- Single-pole, single current path switching system and method34US 9,726,726 B2Rockwell Automation Technologies, Inc. · 2017
- Electromagnetic relay and coil terminal31US 10,242,829 B2Fujitsu Component Limited · 2019
- Relay27US 8,674,796 B2Ngk Spark Plug Co., Ltd. · 2014
- Intelligent timed electromagnetic switching16US 10,393,809 B2Rockwell Automation Technologies, Inc. · 2019