H03K 17/08146
In bipolar transistor switches
Official title: {in bipolar transistor switches}
H03K17/08146 (In bipolar transistor switches) appears on 113 US grants and 27 published applications in this corpus.
Search patents in H03K- Granted patents
- 113
- Published applications
- 27
- Assignees
- 77
- Inventors
- 187
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 1 | 0 |
| 1986 | 7 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 2 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 5 |
| 2019 | 4 | 2 |
| 2020 | 3 | 3 |
| 2021 | 2 | 4 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Protection circuit for an electric motor with a single-phase winding, an electric centrifugal pump and an oil mist separator with such a protection circuit21 Jan 2025US 12,206,354 B2Bühler Motor GmbH
- Voltage clamping circuit for solid state circuit breaker30 Apr 2024US 11,973,493 B2ABB Schweiz AG
- High voltage switch with isolated power27 Sep 2022US 11,456,155 B2Eagle Harbor Technologies, Inc.
- Circuit arrangement, power converter module, and method for operating the power converter module27 Sep 2022US 11,456,736 B2Siemens Energy Global GmbH & Co. KG
- High voltage switch with isolated power19 Jan 2021US 10,896,809 B2Eagle Harbor Technologies, Inc.
- Base-to-emitter voltage temperature compensation for transistor included in sensor excitation circuit9 Oct 2025US 2025/0317136 A1Hamilton Sundstrand Corporation
- Relay driving circuit and battery system having the same22 Jun 2023US 2023/0198519 A1LG Energy Solution, Ltd.
- Protection circuit for an electric motor with a single-phase winding, an electric centrifugal pump and an oil mist separator with such a protection circuit30 Sep 2021US 2021/0305923 A1Bühler Motor GmbH
- Voltage clamping circuit for solid state circuit breaker16 Sep 2021US 2021/0288636 A1ABB Schweiz AG
- High voltage switch with isolated power8 Jul 2021US 2021/0210315 A1Eagle Harbor Technologies, Inc.
Most cited
By later US patents
- High voltage switch with isolated power80US 10,607,814 B2Eagle Harbor Technologies, Inc. · 2020
- Power supply system73US 5,191,520 ABoral Johns Perry Industries Pty. Ltd. · 1993
- Motor driving circuit68US 5,703,451 ARohm Co., Ltd. · 1997
- Current fed inverter bridge with lossless snubbers58US 4,691,270 ARCA Corporation · 1987
- High voltage switch with isolated power55US 10,896,809 B2Eagle Harbor Technologies, Inc. · 2021