H01H 47/325
By switching regulator
Official title: {by switching regulator}
H01H47/325 (By switching regulator) appears on 405 US grants and 253 published applications in this corpus.
Search patents in H01H- Granted patents
- 405
- Published applications
- 253
- Assignees
- 242
- Inventors
- 787
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 12 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 18 | 0 |
| 1999 | 13 | 0 |
| 2000 | 9 | 0 |
| 2001 | 15 | 3 |
| 2002 | 10 | 6 |
| 2003 | 9 | 3 |
| 2004 | 5 | 6 |
| 2005 | 7 | 9 |
| 2006 | 6 | 12 |
| 2007 | 8 | 1 |
| 2008 | 3 | 6 |
| 2009 | 2 | 7 |
| 2010 | 4 | 5 |
| 2011 | 2 | 6 |
| 2012 | 4 | 5 |
| 2013 | 7 | 11 |
| 2014 | 4 | 8 |
| 2015 | 7 | 22 |
| 2016 | 7 | 14 |
| 2017 | 17 | 16 |
| 2018 | 16 | 20 |
| 2019 | 19 | 7 |
| 2020 | 15 | 16 |
| 2021 | 13 | 14 |
| 2022 | 18 | 14 |
| 2023 | 12 | 12 |
| 2024 | 10 | 12 |
| 2025 | 12 | 9 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Relay module with combined control and power supply input17 Feb 2026US 12,555,730 B2Phoenix Contact GmbH & Co.KG
- Relay driving apparatus for controlling operation of multiple switches27 Jan 2026US 12,537,154 B2Hanwha Solutions Corporation
- Switch control device and battery pack including the same6 Jan 2026US 12,519,467 B2Samsung SDI.Co., Ltd.
- Control method and control device for electric switch, and electric switch2 Dec 2025US 12,488,952 B2Schneider Electric Industries SAS
- Driving control device of relay for battery pack28 Oct 2025US 12,456,924 B2Samsung SDI.Co., Ltd.
- Selectable shunt voltage for circuit breaker6 Aug 2026US 2026/0229872 A1Vertiv Corporation
- Contactor bounce reduction4 Jun 2026US 2026/0155325 A1Allegro MicroSystems, LLC
- System and method for regulating a voltage signal23 Apr 2026US 2026/0112559 A1Resideo LLC
- Relay device and electric vehicle charging controller comprising same12 Mar 2026US 2026/0074133 A1LG Innotek Co., Ltd.
- Detection of relay contactor movement5 Mar 2026US 2026/0063717 A1Allegro MicroSystems, LLC
Most cited
By later US patents
- Method and apparatus for inductive load control with current simulation1,009US 5,038,247 ADelco Electronics Corporation · 1991
- Electromagnetic actuator889US 6,366,441 B1Honda Giken Kogyo Kabushiki Kaisha · 2002
- Pulse width modulated solenoid driver controller140US 5,621,603 AUnited Technologies Corporation · 1997
- Solenoid driver control circuit with initial boost voltage87US 4,729,056 AMotorola, Inc. · 1988
- Fuel injection valve drive control apparatus64US 5,574,617 AHonda Giken Kogyo Kabushiki Kaisha · 1996