H02M 3/33507
With automatic control of the output voltage or current
Official title: {with automatic control of the output voltage or current, e.g. flyback converters (H02M3/33561, H02M3/33569 take precedence)}
H02M3/33507 (With automatic control of the output voltage or current) appears on 6,166 US grants and 6,099 published applications in this corpus.
Search patents in H02M- Granted patents
- 6,166
- Published applications
- 6,099
- Assignees
- 1,438
- Inventors
- 7,204
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 14 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 13 | 0 |
| 1982 | 17 | 0 |
| 1983 | 15 | 0 |
| 1984 | 16 | 0 |
| 1985 | 17 | 0 |
| 1986 | 11 | 0 |
| 1987 | 27 | 0 |
| 1988 | 25 | 0 |
| 1989 | 23 | 0 |
| 1990 | 23 | 0 |
| 1991 | 13 | 0 |
| 1992 | 13 | 0 |
| 1993 | 16 | 0 |
| 1994 | 25 | 0 |
| 1995 | 25 | 0 |
| 1996 | 25 | 0 |
| 1997 | 42 | 0 |
| 1998 | 49 | 0 |
| 1999 | 64 | 0 |
| 2000 | 50 | 0 |
| 2001 | 56 | 7 |
| 2002 | 60 | 61 |
| 2003 | 59 | 56 |
| 2004 | 51 | 76 |
| 2005 | 58 | 92 |
| 2006 | 80 | 141 |
| 2007 | 85 | 145 |
| 2008 | 110 | 179 |
| 2009 | 119 | 159 |
| 2010 | 161 | 221 |
| 2011 | 151 | 210 |
| 2012 | 171 | 242 |
| 2013 | 206 | 290 |
| 2014 | 225 | 419 |
| 2015 | 347 | 463 |
| 2016 | 467 | 389 |
| 2017 | 467 | 380 |
| 2018 | 470 | 427 |
| 2019 | 474 | 351 |
| 2020 | 389 | 346 |
| 2021 | 295 | 269 |
| 2022 | 257 | 265 |
| 2023 | 244 | 266 |
| 2024 | 225 | 305 |
| 2025 | 243 | 219 |
| 2026 | 150 | 121 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power supply apparatus6 Oct 2026US 12,756,294 B2Delta Electronics, Inc.
- Voltage balancing in half-bridge voltage converter6 Oct 2026US 12,756,320 B2Texas Instruments Incorporated
- Implantable medical device comprising a DC-DC converter6 Oct 2026US 12,756,329 B2Sorin Crm SAS
- Synchronous rectification chip pin multiplexing technology29 Sep 2026US 12,749,962 B2Diodes Incorporated
- Resonant circuit and control method thereof29 Sep 2026US 12,749,968 B2Delta Electronics (Shanghai) Co., Ltd.
- Switch-mode power converters with demagnetization detection and methods thereof8 Oct 2026US 2026/0312501 A1On-Bright Integrations Co., Ltd.
- Circuits and methods for operation of asymmetric half-bridge flyback converter with zvs windings1 Oct 2026US 2026/0302911 A1Navitas Semiconductor Limited
- Control system and control method thereof1 Oct 2026US 2026/0302915 A1Delta Electronics, Inc.
- Semiconductor device, isolated dc-dc converter, ac-dc converter and vehicle1 Oct 2026US 2026/0302923 A1Rohm Co., Ltd.
- Single-ended dc-to-dc converter24 Sep 2026US 2026/0291366 A1
Most cited
By later US patents
- Method and system for communicating filter compensation coefficients for a digital power control system1,193US 7,249,267 B2Power-One, Inc. · 2007
- Contactless battery charger with wireless control link546US 6,184,651 B2Motorola, Inc. · 2001
- Adaptive inductive power supply393US 7,212,414 B2Access Business Group International LLC · 2007
- Power adapter for a remote device341US 7,518,267 B2Access Business Group International LLC · 2009
- Adaptive inductive power supply with communication296US 8,116,681 B2Access Business Group International LLC · 2012