H03K 17/08144
In thyristor switches
Official title: {in thyristor switches}
H03K17/08144 (In thyristor switches) appears on 77 US grants and 20 published applications in this corpus.
Search patents in H03K- Granted patents
- 77
- Published applications
- 20
- Assignees
- 37
- Inventors
- 124
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 2 |
| 2003 | 7 | 5 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Passive element-thyristor parallel connection for mitigating inrush current in static transfer switch28 Apr 2026US 12,614,921 B2ABB Schweiz AG
- Voltage clamping circuit for solid state circuit breaker30 Apr 2024US 11,973,493 B2ABB Schweiz AG
- Direct current hybrid circuit breaker with reverse biased voltage source23 Aug 2022US 11,424,093 B2The Florida State University Research Foundation, Inc.
- Shared resonant turn off circuit22 Feb 2022US 11,258,296 B1ABB Schweiz AG
- Fault detector for anti-parallel thyristor9 Apr 2019US 10,256,804 B2Lsis Co., Ltd.
- Passive element-thyristor parallel connection for mitigating inrush current in static transfer switch12 Jun 2025US 2025/0192606 A1ABB Schweiz AG
- Voltage clamping circuit for solid state circuit breaker16 Sep 2021US 2021/0288636 A1ABB Schweiz AG
- Direct current hybrid circuit breaker with reverse biased voltage source30 Apr 2020US 2020/0135420 A1The Florida State University Research Foundation, Inc.
- Semiconductor switching string15 Feb 2018US 2018/0048304 A1General Electric Technology GmbH
- Semiconductor switching circuit30 Nov 2017US 2017/0346384 A1General Electric Technology GmbH
Most cited
By later US patents
- Start winding switch protection circuit56US 5,103,154 ATexas Instruments Incorporated · 1992
- Large capacity variable speed PWM spatial vector type sub-harmonic system for driving AC electric motor54US 5,298,848 AHitachi, Ltd. · 1994
- Protective device against excessive currents, in particular for resettable protection of a controlled switch54US 6,342,994 B12002
- Compact and efficient transformerless power conversion system48US 5,270,913 AD.C. Transformation, Inc. · 1993
- Compact and efficient transformerless power conversion system44US 5,561,597 AD.C. Transformation, Inc. · 1996