H02M 3/1555
For the generation of a regulated current to a load whose impedance
Official title: {for the generation of a regulated current to a load whose impedance is substantially inductive}
H02M3/1555 (For the generation of a regulated current to a load whose impedance) appears on 223 US grants and 189 published applications in this corpus.
Search patents in H02M- Granted patents
- 223
- Published applications
- 189
- Assignees
- 159
- Inventors
- 505
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 4 |
| 2002 | 4 | 7 |
| 2003 | 9 | 13 |
| 2004 | 10 | 10 |
| 2005 | 8 | 16 |
| 2006 | 9 | 13 |
| 2007 | 11 | 10 |
| 2008 | 13 | 4 |
| 2009 | 2 | 10 |
| 2010 | 10 | 8 |
| 2011 | 8 | 10 |
| 2012 | 3 | 7 |
| 2013 | 6 | 3 |
| 2014 | 10 | 4 |
| 2015 | 2 | 16 |
| 2016 | 9 | 3 |
| 2017 | 9 | 5 |
| 2018 | 8 | 4 |
| 2019 | 4 | 8 |
| 2020 | 9 | 8 |
| 2021 | 5 | 3 |
| 2022 | 3 | 4 |
| 2023 | 2 | 6 |
| 2024 | 2 | 7 |
| 2025 | 5 | 2 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Seatbelt retractor unit and vehicle having a seatbelt retractor unit of this type3 Feb 2026US 12,539,822 B2Autoliv Development AB
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- System and method for error compensation in pulse-width modulated systems7 May 2026US 2026/0126819 A1Pittway Sarl
- Low noise high frequency coil driver19 Mar 2026US 2026/0081060 A1ColdQuanta, Inc.
- Power supply system and method for an inductive load5 Feb 2026US 2026/0039133 A1
- Protection system for switches in direct drive circuits of substrate processing systems28 Aug 2025US 2025/0273447 A1Lam Research Corporation
Most cited
By later US patents
- Adaptive current control1,062US 5,343,382 ADelco Electronics Corporation · 1994
- Electronic switching circuit229US 5,379,209 APerformance Controls, Inc. · 1995
- AC/DC chopper for power tool98US 6,286,609 B1Black & Decker Inc. · 2001
- Terminal protection system for portable power tools95US 6,237,698 B1Black & Decker Inc. · 2001
- Methods and apparatus for reducing MOSFET body diode conduction in a half-bridge configuration80US 6,107,844 ATripath Technology, Inc. · 2000