H02M 7/125
Avoiding or suppressing excessive transient voltages or currents
Official title: {Avoiding or suppressing excessive transient voltages or currents}
H02M7/125 (Avoiding or suppressing excessive transient voltages or currents) appears on 173 US grants and 199 published applications in this corpus.
Search patents in H02M- Granted patents
- 173
- Published applications
- 199
- Assignees
- 135
- Inventors
- 438
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 4 |
| 2006 | 2 | 5 |
| 2007 | 2 | 0 |
| 2008 | 4 | 5 |
| 2009 | 1 | 0 |
| 2010 | 2 | 3 |
| 2011 | 2 | 0 |
| 2012 | 1 | 4 |
| 2013 | 1 | 9 |
| 2014 | 2 | 5 |
| 2015 | 8 | 13 |
| 2016 | 10 | 15 |
| 2017 | 15 | 8 |
| 2018 | 11 | 17 |
| 2019 | 14 | 9 |
| 2020 | 8 | 17 |
| 2021 | 15 | 14 |
| 2022 | 17 | 15 |
| 2023 | 10 | 14 |
| 2024 | 13 | 14 |
| 2025 | 10 | 11 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for starting an electrolysis supply system having parallel converters and reduced pre-charging unit20 Aug 2026US 2026/0246280 A1SMA Solar Technology AG
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Most cited
By later US patents
- Switching power source apparatus72US 6,947,298 B2Sanken Electric Co., Ltd. · 2005
- Soft strat bridge rectifier circuit51US 6,009,008 AInternational Rectifier Corporation · 1999
- Bridge-doubler rectifier37US 4,268,899 ASperry Corporation · 1981
- System for precharging a DC link in a variable speed drive34US 7,005,829 B2York International Corporation · 2006
- Precharge circuit having microprocessor-based firing angle control circuitry32US 5,483,142 AAllen-Bradley Company, Inc. · 1996