H02H 3/18
Responsive to reversal of direct current
Official title: responsive to reversal of direct current
H02H3/18 (Responsive to reversal of direct current) appears on 170 US grants and 211 published applications in this corpus.
Search patents in H02H- Granted patents
- 170
- Published applications
- 211
- Assignees
- 143
- Inventors
- 394
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 3 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 3 | 3 |
| 2010 | 1 | 0 |
| 2011 | 1 | 4 |
| 2012 | 1 | 4 |
| 2013 | 4 | 12 |
| 2014 | 2 | 9 |
| 2015 | 6 | 19 |
| 2016 | 7 | 19 |
| 2017 | 23 | 14 |
| 2018 | 15 | 9 |
| 2019 | 14 | 24 |
| 2020 | 8 | 11 |
| 2021 | 18 | 17 |
| 2022 | 14 | 14 |
| 2023 | 9 | 13 |
| 2024 | 15 | 8 |
| 2025 | 12 | 14 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Network protector that detects an error condition7 Apr 2026US 12,597,767 B2Eaton Intelligent Power Limited
- Systems and methods for controlling a segmented circuit10 Mar 2026US 12,569,247 B2Cilag GmbH International
- Electronic protection device for an electrical load, power supply system for an electrical load and method for controlling such a device10 Mar 2026US 12,573,834 B2Schneider Electric Industries SAS
- Fast charger protection under sudden stop conditions10 Feb 2026US 12,545,137 B2Rivian IP Holdings, LLC
- Protection device for preventing reverse connection13 Jan 2026US 12,525,785 B2LG Energy Solution, Ltd.
- Reverse current protection circuit16 Jul 2026US 2026/0204897 A1Anpec Electronics Corporation
- Circuit breaker16 Apr 2026US 2026/0106446 A1Ellenberger & Poensgen GmbH
- System and method for solid state power control with high reverse current26 Mar 2026US 2026/0088602 A1Leach International Corporation
- Photovoltaic Inverter and Photovoltaic String Protection Method26 Mar 2026US 2026/0088605 A1Huawei Digital Power Technologies Co., Ltd.
- Circuit Arrangement For Voltage-Controlled Power Supply Of An Electrical Consumer In A Vehicle, And Use Of Such A Circuit Arrangement19 Mar 2026US 2026/0079512 A1Schaeffler Technologies AG & Co. KG
Most cited
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- Surgical instrument control circuit having a safety processor1,553US 9,690,362 B2Ethicon, Inc. · 2017
- Adjunct with integrated sensors to quantify tissue compression1,540US 9,724,094 B2Ethicon, Inc. · 2017
- Monitoring device degradation based on component evaluation1,519US 9,737,301 B2Ethicon, Inc. · 2017