H02M 3/33573
Full-bridge at primary side of an isolation transformer
Official title: {Full-bridge at primary side of an isolation transformer}
H02M3/33573 (Full-bridge at primary side of an isolation transformer) appears on 1,634 US grants and 2,163 published applications in this corpus.
Search patents in H02M- Granted patents
- 1,634
- Published applications
- 2,163
- Assignees
- 739
- Inventors
- 3,787
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 8 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 13 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 3 |
| 2002 | 22 | 15 |
| 2003 | 12 | 11 |
| 2004 | 9 | 14 |
| 2005 | 14 | 19 |
| 2006 | 12 | 12 |
| 2007 | 7 | 8 |
| 2008 | 9 | 23 |
| 2009 | 10 | 14 |
| 2010 | 16 | 17 |
| 2011 | 17 | 16 |
| 2012 | 11 | 26 |
| 2013 | 17 | 34 |
| 2014 | 22 | 54 |
| 2015 | 34 | 71 |
| 2016 | 57 | 45 |
| 2017 | 66 | 60 |
| 2018 | 56 | 72 |
| 2019 | 85 | 109 |
| 2020 | 87 | 118 |
| 2021 | 100 | 159 |
| 2022 | 136 | 247 |
| 2023 | 179 | 278 |
| 2024 | 199 | 267 |
| 2025 | 216 | 223 |
| 2026 | 148 | 248 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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