H02M 7/5155
Wherein each commutation element has its own extinguishing means
Official title: {wherein each commutation element has its own extinguishing means}
H02M7/5155 (Wherein each commutation element has its own extinguishing means) appears on 35 US grants and 3 published applications in this corpus.
Search patents in H02M- Granted patents
- 35
- Published applications
- 3
- Assignees
- 24
- Inventors
- 54
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solar inverter with multiple dynamic current sources30 Jun 2026US 12,671,347 B2North Carolina State University
- High power grid system with thyristor controls1 Dec 2020US 10,855,200 B2The University of Birmingham
- Elimination of commutation failure by hybrid HVDC system28 May 2019US 10,305,370 B2The University of Birmingham
- Inverter with overload current protection10 Aug 1993US 5,235,487 AAsea Brown Boveri AG
- Extinction blocking for GTOs1 Oct 1991US 5,053,940 AAsea Brown Boveri AG
- Solar Inverter With Multiple Dynamic Current Sources15 Aug 2024US 2024/0275305 A1North Carolina State University
- High Power Grid System with Thyristor Controls13 Feb 2020US 2020/0052611 A1The University of Birmingham
- Elimination of commutation failure by hybrid hvdc system7 Jun 2018US 2018/0159421 A1The University of Birmingham
Most cited
By later US patents
- Two-level temperature control for induction heating33US 4,032,740 AIllinois Tool Works Inc. · 1977
- Two-stage commutation circuit for an inverter33US 4,180,853 AUnited Technologies Corporation · 1979
- Snubber arrangements with energy recovery for power converters using self-extinguishing devices17US 4,611,267 AGeneral Electric Company · 1986
- Power converter employing non-saturating interphase transformer15US 3,958,173 AGould Inc. · 1976
- Circuit arrangement for starting up a converter having forced commutation with correct phase11US 4,079,443 ASiemens Aktiengesellschaft · 1978