H02M 1/4275
By adding an auxiliary output voltage in series to the input
Official title: {by adding an auxiliary output voltage in series to the input}
H02M1/4275 (By adding an auxiliary output voltage in series to the input) appears on 44 US grants and 22 published applications in this corpus.
Search patents in H02M- Granted patents
- 44
- Published applications
- 22
- Assignees
- 31
- Inventors
- 71
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 2 |
| 2005 | 2 | 3 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Rectifying-and-modulating circuit and wireless power receiver incorporating the same270US 9,225,196 B2Richtek Technology Corporation · 2015
- High power factor, voltage-doubler rectifier104US 5,119,283 AGeneral Electric Company · 1992
- High power factor conversion circuitry63US 4,109,307 AGTE Sylvania Incorporated · 1978
- Efficient, high power density, high power factor converter for very low dc voltage applications48US 5,481,449 AGeneral Electric Company · 1996
- Low-pressure discharge lamp, particularly fluorescent lamp high-frequency operating system with low inductance power network circuit44US 4,808,887 APatent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · 1989