H03K 17/13
Modifications for switching at zero crossing
Official title: Modifications for switching at zero crossing (generating an impulse at zero crossing H03K5/1536)
H03K17/13 (Modifications for switching at zero crossing) appears on 303 US grants and 215 published applications in this corpus.
Search patents in H03K- Granted patents
- 303
- Published applications
- 215
- Assignees
- 193
- Inventors
- 547
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 8 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 1 |
| 2003 | 3 | 1 |
| 2004 | 0 | 4 |
| 2005 | 1 | 2 |
| 2006 | 1 | 6 |
| 2007 | 4 | 2 |
| 2008 | 4 | 5 |
| 2009 | 2 | 5 |
| 2010 | 7 | 4 |
| 2011 | 3 | 6 |
| 2012 | 5 | 4 |
| 2013 | 10 | 6 |
| 2014 | 10 | 8 |
| 2015 | 4 | 11 |
| 2016 | 15 | 11 |
| 2017 | 14 | 21 |
| 2018 | 15 | 15 |
| 2019 | 13 | 11 |
| 2020 | 13 | 11 |
| 2021 | 18 | 16 |
| 2022 | 11 | 8 |
| 2023 | 15 | 18 |
| 2024 | 15 | 7 |
| 2025 | 7 | 16 |
| 2026 | 12 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method to operate parallel bypass thyristors at low load25 Aug 2026US 12,719,306 B2Schneider Electric It Corporation
- AC-to-DC power conversion with ground reference to common node of solid-state AC switch25 Aug 2026US 12,719,348 B2Amber Semiconductor, Inc.
- Drive circuit18 Aug 2026US 12,712,434 B2Solaredge Technologies Ltd.
- Method for operating a switching element connected in parallel with a rectifier element and electronic circuit18 Aug 2026US 12,712,528 B2Infineon Technologies Austria AG
- Detecting signals from cascode power devices7 Jul 2026US 12,676,545 B2Power Integrations, Inc.
- Detecting signals from cascode power devices24 Sep 2026US 2026/0291373 A1Power Integrations, Inc.
- Differentiating method of mathematical model of three-level converter considering neutral point dynamics10 Sep 2026US 2026/0269821 A1Guangxi Power Grid Co., Ltd.
- Switching control circuit, integrated circuit, and power supply circuit13 Aug 2026US 2026/0238116 A1Fuji Electric Co., Ltd.
- Direct current balancing using a zero voltage detection signal30 Jul 2026US 2026/0221888 A1
- Soft switching low drop-out regulator23 Jul 2026US 2026/0211440 A1Korea Advanced Institute of Science and Technology
Most cited
By later US patents
- Zero voltage switching cells for power converters215US 6,452,814 B1Technical Witts, Inc. · 2002
- Soft-switching cell for reducing switching losses in pulse-width-modulated converters80US 6,051,961 ADelta Electronics, Inc. · 2000
- Power line control system77US 5,614,811 ADyalem Concepts Inc. · 1997
- AC Solid-state circuit breaker70US 4,245,184 AWestinghouse Electric Corp. · 1981
- Magnetic stimulation having a freely selectable pulse shape69US 9,999,780 B2Technische Universität München · 2018