H01H 50/021
Structurally combining a relay and an electronic component
Official title: {structurally combining a relay and an electronic component, e.g. varistor, RC circuit (auxiliary switch inserting resistor during closure H01H50/543)}
H01H50/021 (Structurally combining a relay and an electronic component) appears on 190 US grants and 139 published applications in this corpus.
Search patents in H01H- Granted patents
- 190
- Published applications
- 139
- Assignees
- 107
- Inventors
- 429
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 5 |
| 2003 | 5 | 3 |
| 2004 | 3 | 4 |
| 2005 | 8 | 6 |
| 2006 | 3 | 3 |
| 2007 | 3 | 2 |
| 2008 | 1 | 4 |
| 2009 | 3 | 4 |
| 2010 | 2 | 0 |
| 2011 | 4 | 2 |
| 2012 | 0 | 6 |
| 2013 | 5 | 4 |
| 2014 | 3 | 4 |
| 2015 | 4 | 9 |
| 2016 | 4 | 5 |
| 2017 | 7 | 3 |
| 2018 | 6 | 14 |
| 2019 | 9 | 5 |
| 2020 | 11 | 24 |
| 2021 | 5 | 5 |
| 2022 | 11 | 8 |
| 2023 | 16 | 2 |
| 2024 | 3 | 6 |
| 2025 | 1 | 4 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Relay1 Sep 2026US 12,725,747 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Quantifiable electromagnetic relay and electronic energy meter7 Jul 2026US 12,674,826 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Relay28 Apr 2026US 12,614,687 B2BYD Company Limited
- High voltage DC contactor isolation via electromechanical actuation10 Mar 2026US 12,573,570 B2Hamilton Sundstrand Corporation
- Fuse and contactor management for an electric mobile application7 Jan 2025US 12,187,159 B2Eaton Intelligent Power Limited
- Power distribution apparatus1 Oct 2026US 2026/0302494 A1Autonetworks Technologies, Ltd.
- Manual override safety restrictor and manual override cover for making electrical control and manual control of a microgrid interconnect device relay mutually exclusive23 Jul 2026US 2026/0213087 A1Eaton Intelligent Power Limited
- Relay with shielding shell21 May 2026US 2026/0142110 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Electromagnetic relay and detection system23 Apr 2026US 2026/0112558 A1Panasonic Intellectual Property Management Co., Ltd.
- Contactor Device For High Voltage Electrical Systems26 Feb 2026US 2026/0058071 A1Sensata Technologies, Inc.
Most cited
By later US patents
- Modular contactor control system40US 5,652,420 AEaton Corporation · 1997
- Self-powered switches and related methods34US 10,141,144 B2Eaton Intelligent Power Limited · 2018
- Electromagnetic relay28US 5,160,910 AOMRON Corporation · 1992
- Power distribution unit and fuse management for an electric mobile application25US 11,052,784 B2Eaton Intelligent Power Limited · 2021
- Starter contactor incorporating an electronic control circuit, and a vehicle starter having such a contactor25US 6,049,263 AValeo Equipements Electronics Moteur · 2000