H02M 3/1557
Single ended primary inductor converters [sepic]
Official title: {Single ended primary inductor converters [SEPIC]}
H02M3/1557 (Single ended primary inductor converters [sepic]) appears on 114 US grants and 116 published applications in this corpus.
Search patents in H02M- Granted patents
- 114
- Published applications
- 116
- Assignees
- 95
- Inventors
- 241
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 3 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 3 |
| 2013 | 5 | 2 |
| 2014 | 4 | 7 |
| 2015 | 5 | 8 |
| 2016 | 4 | 11 |
| 2017 | 11 | 9 |
| 2018 | 11 | 10 |
| 2019 | 9 | 4 |
| 2020 | 6 | 10 |
| 2021 | 6 | 7 |
| 2022 | 8 | 8 |
| 2023 | 6 | 7 |
| 2024 | 6 | 5 |
| 2025 | 6 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- DC-to-DC converter and configurable output magnitude and polarity29 Sep 2026US 12,749,974 B2Hamilton Sundstrand Corporation
- Multi-level structures and methods for switched-mode power supplies14 Jul 2026US 12,683,491 B2Murata Manufacturing Co., Ltd.
- Multi-output SEPIC converter20 Jan 2026US 12,531,482 B2Sanken Electric Co., Ltd.
- Resonant converter9 Dec 2025US 12,494,711 B2Signify Holding B. V.
- Synchronous switch-mode active electromagnetic interference cancellation circuit and method30 Sep 2025US 12,431,792 B2Board of Regents, The University of Texas System
- Multi-level structures and methods for switched-mode power supplies8 Oct 2026US 2026/0312495 A1Murata Manufacturing Co., Ltd.
- Single stage sepic power converter with power factor correction25 Jun 2026US 2026/0180465 A1Renesas Design (UK) Limited
- Voltage regulating circuit, inductor assembly, and voltage regulating device12 Mar 2026US 2026/0074618 A1MetaPWR Electronics Co., Ltd.
- Low-noise voltage regulators and associated methods18 Sep 2025US 2025/0291375 A1Analog Devices, Inc.
- Compact Multifunctional Battery Booster26 Jun 2025US 2025/0211016 A1Schumacher Electric Corporation
Most cited
By later US patents
- Power distribution with digital current control90US 6,841,979 B2PowerDsine, Ltd. · 2005
- Methods and apparatus for a resonant converter84US 7,889,519 B2Massachusetts Institute of Technology · 2011
- Single conversion power factor correction using septic converter31US 5,115,185 AAT&T Bell Laboratories · 1992
- Power factor corrector with efficient ripple attenuator28US 6,650,554 B2Powersine Ltd. · 2003
- Pulse width modulated controller for high temperature power conversion26US 6,101,106 AThe Boeing Company · 2000