H02M 7/49
Combination of the output voltage waveforms of a plurality of converters
H02M7/49 (Combination of the output voltage waveforms of a plurality of converters) appears on 845 US grants and 865 published applications in this corpus.
Search patents in H02M- Granted patents
- 845
- Published applications
- 865
- Assignees
- 346
- Inventors
- 1,529
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 11 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 10 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 12 | 3 |
| 2002 | 3 | 1 |
| 2003 | 5 | 4 |
| 2004 | 4 | 6 |
| 2005 | 5 | 3 |
| 2006 | 1 | 9 |
| 2007 | 7 | 13 |
| 2008 | 8 | 20 |
| 2009 | 11 | 17 |
| 2010 | 11 | 26 |
| 2011 | 13 | 39 |
| 2012 | 30 | 29 |
| 2013 | 34 | 55 |
| 2014 | 37 | 61 |
| 2015 | 43 | 50 |
| 2016 | 50 | 46 |
| 2017 | 61 | 43 |
| 2018 | 50 | 58 |
| 2019 | 54 | 46 |
| 2020 | 54 | 59 |
| 2021 | 56 | 52 |
| 2022 | 41 | 55 |
| 2023 | 44 | 48 |
| 2024 | 46 | 42 |
| 2025 | 43 | 44 |
| 2026 | 19 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Multiphase power supply with plural series connected cells and failed cell bypass268US 5,986,909 ARobicon Corporation · 1999
- Power line linking apparatus for linking a power generator to a commercial power line267US 5,548,504 ACanon Kabushiki Kaisha · 1996
- Scheme for operation of step wave power converter219US 7,808,125 B1Sustainable Energy Technologies, Inc. · 2010
- Reducing switching losses in series connected bridge inverters and amplifiers208US 5,734,565 AAmerican Superconductor Corporation · 1998
- Medium voltage PWM drive and method204US 5,625,545 AHalmar Robicon Group · 1997