H03K 17/0403
In thyristor switches
Official title: {in thyristor switches}
H03K17/0403 (In thyristor switches) appears on 58 US grants and 20 published applications in this corpus.
Search patents in H03K- Granted patents
- 58
- Published applications
- 20
- Assignees
- 39
- Inventors
- 109
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 3 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 3 | 2 |
| 2024 | 0 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fast latching switches21 Jul 2026US 12,689,363 B2Lawrence Livermore National Security, LLC
- Rapid turn-off circuit in static transfer switch29 Aug 2023US 11,742,849 B2ABB Schweiz AG
- Thyristor current interrupter20 Jun 2023US 11,683,031 B1ABB Schweiz AG
- Quasi-resonant thyristor current interrupter21 Feb 2023US 11,588,483 B1ABB Schweiz AG
- Delta connected resonant turn off circuits28 Dec 2021US 11,211,816 B1ABB Schweiz AG
- Switched redundant static transfer switch rapid turn-off system12 Jun 2025US 2025/0192605 A1ABB Schweiz AG
- Gate unit for a gate-commutated thyristor and integrated gate-commutated thyristor27 Feb 2025US 2025/0070773 A1Ecole Polytechnique Federale De Lausanne (Epfl)
- Fast latching switches27 Jun 2024US 2024/0213974 A1Lawrence Livermore National Security, LLC
- Thyristor current interrupter29 Jun 2023US 2023/0208416 A1ABB Schweiz AG
- Rapid turn-off circuit in static transfer switch27 Apr 2023US 2023/0128049 A1ABB Schweiz AG
Most cited
By later US patents
- Diode-assisted gate turn-off thyristor30US 6,426,666 B1Virginia Tech Intellectual Properties, Inc. · 2002
- Semiconductor switch29US 4,365,170 AHitachi, Ltd. · 1982
- Protection of GTO converters by emitter switching18US 4,745,513 AGeneral Electric Company · 1988
- Low-inductance bus bar arrangement14US 4,809,153 ASiemens Aktiengesellschaft · 1989
- Thyristor turn-off system12US 4,107,551 AMitsubishi Denki Kabushiki Kaisha · 1978