H02M 7/48
Using discharge tubes with control electrode or semiconductor devices with control electrode
Official title: using discharge tubes with control electrode or semiconductor devices with control electrode
H02M7/48 (Using discharge tubes with control electrode or semiconductor devices with control electrode) appears on 13,451 US grants and 13,829 published applications in this corpus.
Search patents in H02M- Granted patents
- 13,451
- Published applications
- 13,829
- Assignees
- 3,028
- Inventors
- 20,367
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 50 | 0 |
| 1977 | 82 | 0 |
| 1978 | 55 | 0 |
| 1979 | 49 | 0 |
| 1980 | 54 | 0 |
| 1981 | 61 | 0 |
| 1982 | 64 | 0 |
| 1983 | 40 | 0 |
| 1984 | 72 | 0 |
| 1985 | 64 | 0 |
| 1986 | 80 | 0 |
| 1987 | 107 | 0 |
| 1988 | 68 | 0 |
| 1989 | 69 | 0 |
| 1990 | 71 | 0 |
| 1991 | 90 | 0 |
| 1992 | 80 | 0 |
| 1993 | 87 | 0 |
| 1994 | 111 | 0 |
| 1995 | 104 | 0 |
| 1996 | 112 | 0 |
| 1997 | 100 | 0 |
| 1998 | 114 | 0 |
| 1999 | 128 | 0 |
| 2000 | 123 | 0 |
| 2001 | 128 | 35 |
| 2002 | 128 | 98 |
| 2003 | 104 | 115 |
| 2004 | 105 | 162 |
| 2005 | 95 | 167 |
| 2006 | 146 | 174 |
| 2007 | 128 | 191 |
| 2008 | 134 | 207 |
| 2009 | 138 | 236 |
| 2010 | 171 | 254 |
| 2011 | 175 | 326 |
| 2012 | 209 | 373 |
| 2013 | 320 | 480 |
| 2014 | 342 | 613 |
| 2015 | 448 | 657 |
| 2016 | 577 | 662 |
| 2017 | 751 | 715 |
| 2018 | 735 | 817 |
| 2019 | 876 | 985 |
| 2020 | 952 | 937 |
| 2021 | 777 | 866 |
| 2022 | 826 | 995 |
| 2023 | 743 | 1049 |
| 2024 | 881 | 1110 |
| 2025 | 961 | 905 |
| 2026 | 566 | 700 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02M 7/53Using devices of a triode or transistor type requiring continuous application of8,432
- H02M 7/483Converters with outputs that each can have more than two voltages levels3,254
- H02M 7/493The static converters being arranged for operation in parallel844
- H02M 7/4815Resonant converters784
- H02M 7/505Using devices of a thyratron or thyristor type requiring extinguishing means622
- H02M 7/4807Having a high frequency intermediate ac stage442
- H02M 7/4826Operating from a resonant dc source, i.e. the dc input voltage varies155
- H02M 7/4803With means for reducing dc component from ac output voltage92
All 11 subgroupsShow fewer
- H02M 7/4811Having auxiliary actively switched resonant commutation circuits connected to intermediate dc voltage80
- H02M 7/497Sinusoidal output voltages being obtained by combination of several voltages being out47
- H02M 7/501Sinusoidal output voltages being obtained by the combination of several pulse-voltages having24
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