H01H 50/443
Connections to coils
Official title: {Connections to coils}
H01H50/443 (Connections to coils) appears on 213 US grants and 177 published applications in this corpus.
Search patents in H01H- Granted patents
- 213
- Published applications
- 177
- Assignees
- 116
- Inventors
- 482
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 8 |
| 2003 | 3 | 3 |
| 2004 | 6 | 8 |
| 2005 | 7 | 7 |
| 2006 | 6 | 7 |
| 2007 | 4 | 5 |
| 2008 | 1 | 7 |
| 2009 | 5 | 4 |
| 2010 | 5 | 1 |
| 2011 | 5 | 1 |
| 2012 | 0 | 4 |
| 2013 | 5 | 11 |
| 2014 | 4 | 2 |
| 2015 | 7 | 12 |
| 2016 | 12 | 15 |
| 2017 | 7 | 7 |
| 2018 | 8 | 7 |
| 2019 | 11 | 15 |
| 2020 | 7 | 11 |
| 2021 | 11 | 8 |
| 2022 | 13 | 5 |
| 2023 | 5 | 8 |
| 2024 | 5 | 6 |
| 2025 | 6 | 9 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electromagnetic relay8 Sep 2026US 12,731,748 B2Xiamen Hongfa Automotive Electronics Co., Ltd.
- Electromagnetic relay and method of manufacturing the same5 May 2026US 12,620,539 B2OMRON Corporation
- Electromagnetic relay with decreasing hold power requirement23 Dec 2025US 12,505,967 B2OMRON Corporation
- High-voltage DC relay with auxiliary contact23 Sep 2025US 12,424,405 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Multi-voltage contactors, controls, and related methods2 Sep 2025US 12,406,820 B2Copeland Comfort Control LP
- Relay voltage input connection structure and relay28 May 2026US 2026/0148919 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Relay Coil Assembly and Relay14 May 2026US 2026/0135054 A1Tyco Electronics Technology (SIP) Co., Ltd.
- Electromagnetic relay and detection system23 Apr 2026US 2026/0112558 A1Panasonic Intellectual Property Management Co., Ltd.
- Contactor magnetic core, contactor electromagnetic assembly and contactor16 Apr 2026US 2026/0106099 A1Tyco Electronics (Shanghai) Co., Ltd.
- Contactor2 Apr 2026US 2026/0094772 A1Tyco Electronics (Shanghai) Co., Ltd.
Most cited
By later US patents
- Electromagnetic switching apparatus68US 6,911,884 B2Matsushita Electric Works, Ltd. · 2005
- Solenoid switch contact and mounting assembly60US 5,021,760 AClum Manufacturing Company, Inc. · 1991
- Electronic component51US 9,320,162 B2Yazaki Corporation · 2016
- Switch38US 4,345,225 AStarkstrom Gummersbach GmbH · 1982
- Electromagnetic relay32US 7,911,301 B2OMRON Corporation · 2011