H03K 17/08
Modifications for protecting switching circuit against overcurrent or overvoltage
H03K17/08 (Modifications for protecting switching circuit against overcurrent or overvoltage) appears on 5,177 US grants and 4,519 published applications in this corpus.
Search patents in H03K- Granted patents
- 5,177
- Published applications
- 4,519
- Assignees
- 1,400
- Inventors
- 8,385
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 20 | 0 |
| 1978 | 14 | 0 |
| 1979 | 10 | 0 |
| 1980 | 12 | 0 |
| 1981 | 21 | 0 |
| 1982 | 23 | 0 |
| 1983 | 22 | 0 |
| 1984 | 33 | 0 |
| 1985 | 30 | 0 |
| 1986 | 38 | 0 |
| 1987 | 55 | 0 |
| 1988 | 50 | 0 |
| 1989 | 43 | 0 |
| 1990 | 58 | 0 |
| 1991 | 47 | 0 |
| 1992 | 65 | 0 |
| 1993 | 51 | 0 |
| 1994 | 42 | 0 |
| 1995 | 77 | 0 |
| 1996 | 77 | 0 |
| 1997 | 62 | 0 |
| 1998 | 100 | 0 |
| 1999 | 95 | 0 |
| 2000 | 82 | 0 |
| 2001 | 61 | 30 |
| 2002 | 76 | 70 |
| 2003 | 86 | 79 |
| 2004 | 75 | 96 |
| 2005 | 51 | 113 |
| 2006 | 92 | 121 |
| 2007 | 103 | 113 |
| 2008 | 82 | 112 |
| 2009 | 81 | 137 |
| 2010 | 115 | 129 |
| 2011 | 124 | 128 |
| 2012 | 102 | 121 |
| 2013 | 117 | 114 |
| 2014 | 124 | 142 |
| 2015 | 135 | 177 |
| 2016 | 135 | 163 |
| 2017 | 184 | 226 |
| 2018 | 200 | 282 |
| 2019 | 322 | 307 |
| 2020 | 319 | 284 |
| 2021 | 268 | 260 |
| 2022 | 248 | 268 |
| 2023 | 236 | 272 |
| 2024 | 246 | 337 |
| 2025 | 270 | 266 |
| 2026 | 187 | 172 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pulsed transistor driver circuit6 Oct 2026US 12,756,292 B2Texas Instruments Incorporated
- Driving circuit, voltage converter and control method thereof6 Oct 2026US 12,756,314 B2PowerX Semiconductor Corporation
- Driver circuit with temperature detection circuit6 Oct 2026US 12,756,385 B2Fuji Electric Co., Ltd.
- Asymmetric power module6 Oct 2026US 12,756,387 B2Infineon Technologies AG
- Circuit for preventing current backflow, chip, and electronic system6 Oct 2026US 12,757,498 B2Realtek Semiconductor Corp.
- Adjustable voltage divider circuit and method8 Oct 2026US 2026/0310250 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Pwm electromechanical valve driver with dual path current recirculation8 Oct 2026US 2026/0311921 A1Siemens Healthcare Diagnostics Inc.
- Semiconductor device8 Oct 2026US 2026/0312580 A1Fuji Electric Co., Ltd.
- Discharging of a damping capacitor8 Oct 2026US 2026/0312581 A1ams-OSRAM AG
- Method for operating an induction heating apparatus, and in-duction heating apparatus8 Oct 2026US 2026/0313759 A1E. G. O. Elektro-Geratebau GmbH
Most cited
By later US patents
- Silicon equivalent PTC circuit385US 6,340,878 B12002
- Switch circuit and method of switching radio frequency signals259US 6,804,502 B2Peregrine Semiconductor Corporation · 2004
- Power tool interface219US 7,174,973 B1C. E. Electronics, Inc. · 2007
- Circuit configuration having a semiconductor switch and a protection circuit218US 7,158,359 B2Infineon Technologies AG · 2007
- Intelligent, isolated half-bridge power module157US 5,596,466 AIXYS Corporation · 1997