H03K 17/68
Specially adapted for switching ac currents or voltages
Official title: specially adapted for switching AC currents or voltages
H03K17/68 (Specially adapted for switching ac currents or voltages) appears on 50 US grants and 39 published applications in this corpus.
Search patents in H03K- Granted patents
- 50
- Published applications
- 39
- Assignees
- 40
- Inventors
- 86
- Latest grant
- 30 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 2 | 4 |
| 2016 | 2 | 3 |
| 2017 | 6 | 6 |
| 2018 | 1 | 1 |
| 2019 | 3 | 2 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 3 | 3 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 0 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system of operating a bi-directional double-base bipolar junction transistor (B-TRAN)30 Jan 2024US 11,888,030 B2Ideal Power Inc.
- Single live line switch circuit and control method thereof2 Jan 2024US 11,863,172 B2Joulwatt Technology Co., Ltd.
- Device and method for provision of an adjustable current7 Feb 2023US 11,575,374 B2STMicroelectronics (Grenoble 2) SAS
- Method and system of operating a bi-directional double-base bipolar junction transistor (B-TRAN)6 Dec 2022US 11,522,051 B2Ideal Power Inc.
- Bidirectional switch for power control in a daisy chain6 Dec 2022US 11,522,538 B2Schneider Electric Industries SAS
- Overcurrent Protection for Bidirectional Power Semiconductor Devices20 Aug 2026US 2026/0246262 A1Ideal Power Inc.
- Methods and systems of operating a pnp bi-directional double-base bipolar junction transistor18 Jun 2026US 2026/0173419 A1Ideal Power Inc.
- Unidirectional switch circuit4 Dec 2025US 2025/0373245 A1Ideal Power Inc.
- Bipolar junction devices, and methods and switches using same27 Nov 2025US 2025/0364989 A1Ideal Power Inc.
- Methods and systems of operating a double-sided double-base bipolar junction transistor3 Apr 2025US 2025/0112634 A1Ideal Power Inc.
Most cited
By later US patents
- Impedance-matching network using BJT switches in variable-reactance circuits64US 8,416,008 B2Advanced Energy Industries, Inc. · 2013
- Dual mode power transistor41US 4,480,201 AEaton Corporation · 1984
- Impedance-matching network using BJT switches in variable-reactance circuits30US 9,124,248 B2Advanced Energy Industries, Inc. · 2015
- Impedance-matching network using BJT switches in variable-reactance circuits28US 9,660,613 B2Advanced Energy Industries, Inc. · 2017
- Three terminal PIN diode26US 9,490,353 B2Advanced Energy Industries, Inc. · 2016