H01H 47/32
Energising current supplied by semiconductor device
H01H47/32 (Energising current supplied by semiconductor device) appears on 556 US grants and 385 published applications in this corpus.
Search patents in H01H- Granted patents
- 556
- Published applications
- 385
- Assignees
- 302
- Inventors
- 1,104
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 14 | 0 |
| 1986 | 8 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 11 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 10 | 0 |
| 1998 | 21 | 0 |
| 1999 | 15 | 0 |
| 2000 | 9 | 0 |
| 2001 | 16 | 3 |
| 2002 | 11 | 6 |
| 2003 | 11 | 7 |
| 2004 | 6 | 6 |
| 2005 | 7 | 10 |
| 2006 | 7 | 15 |
| 2007 | 9 | 4 |
| 2008 | 5 | 12 |
| 2009 | 5 | 12 |
| 2010 | 8 | 11 |
| 2011 | 8 | 11 |
| 2012 | 7 | 11 |
| 2013 | 13 | 21 |
| 2014 | 10 | 13 |
| 2015 | 14 | 30 |
| 2016 | 9 | 19 |
| 2017 | 20 | 18 |
| 2018 | 20 | 30 |
| 2019 | 26 | 15 |
| 2020 | 27 | 22 |
| 2021 | 21 | 19 |
| 2022 | 27 | 25 |
| 2023 | 15 | 16 |
| 2024 | 16 | 20 |
| 2025 | 19 | 17 |
| 2026 | 8 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Switch arrangement and method for operating a switch arrangement25 Aug 2026US 12,718,999 B2Siemens Aktiengesellschaft
- Driver for driving an electromechanical device28 Jul 2026US 12,695,039 B2Renesas Electronics America Inc.
- Apparatus and method for monitoring status of relay circuit16 Jun 2026US 12,658,391 B2Samsung SDI.Co., Ltd.
- Movable contact part and direct current relay comprising same19 May 2026US 12,633,482 B2Ls Electric Co., Ltd.
- Power supply circuit and electric device21 Apr 2026US 12,609,612 B2Schneider Electric Industries SAS
- High-Power Solid-State Relay with Pin Diode20 Aug 2026US 2026/0245818 A1Southwest Research Institute
- Selectable shunt voltage for circuit breaker6 Aug 2026US 2026/0229872 A1Vertiv Corporation
- Circuit breaker23 Jul 2026US 2026/0213102 A1Ellenberger & Poensgen GmbH
- Switching device for operation with different input control voltages23 Jul 2026US 2026/0213743 A1Phoenix Contact GmbH & Co.KG
- Contactor bounce reduction4 Jun 2026US 2026/0155325 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