H02H 7/10
Emergency protective circuit arrangements specially adapted for specific types of electric machines
Official title: for converters; for rectifiers {(forming part of the control circuit of the converter, see the relevant group in H02M)}
H02H7/10 (Emergency protective circuit arrangements specially adapted for specific types of electric machines) appears on 1,876 US grants and 1,757 published applications in this corpus.
Search patents in H02H- Granted patents
- 1,876
- Published applications
- 1,757
- Assignees
- 845
- Inventors
- 4,094
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 35 | 0 |
| 1978 | 15 | 0 |
| 1979 | 10 | 0 |
| 1980 | 17 | 0 |
| 1981 | 10 | 0 |
| 1982 | 9 | 0 |
| 1983 | 11 | 0 |
| 1984 | 13 | 0 |
| 1985 | 4 | 0 |
| 1986 | 13 | 0 |
| 1987 | 20 | 0 |
| 1988 | 15 | 0 |
| 1989 | 17 | 0 |
| 1990 | 14 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 12 | 0 |
| 1994 | 12 | 0 |
| 1995 | 13 | 0 |
| 1996 | 18 | 0 |
| 1997 | 19 | 0 |
| 1998 | 25 | 0 |
| 1999 | 30 | 0 |
| 2000 | 18 | 0 |
| 2001 | 9 | 4 |
| 2002 | 12 | 10 |
| 2003 | 9 | 13 |
| 2004 | 15 | 17 |
| 2005 | 5 | 16 |
| 2006 | 16 | 12 |
| 2007 | 14 | 28 |
| 2008 | 16 | 25 |
| 2009 | 17 | 36 |
| 2010 | 23 | 28 |
| 2011 | 32 | 50 |
| 2012 | 20 | 37 |
| 2013 | 44 | 77 |
| 2014 | 55 | 103 |
| 2015 | 64 | 137 |
| 2016 | 98 | 97 |
| 2017 | 130 | 109 |
| 2018 | 122 | 126 |
| 2019 | 142 | 146 |
| 2020 | 103 | 117 |
| 2021 | 127 | 111 |
| 2022 | 91 | 103 |
| 2023 | 88 | 102 |
| 2024 | 116 | 91 |
| 2025 | 85 | 97 |
| 2026 | 41 | 65 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- DC fault management in electrical power system6 Oct 2026US 12,756,177 B2Hitachi Energy Ltd
- Flying capacitor converter, voltage converter and energy storage system with same22 Sep 2026US 12,744,462 B2Delta Electronics, Inc.
- Photovoltaic system and circuit protection method for photovoltaic system22 Sep 2026US 12,744,494 B2Huawei Digital Power Technologies Co., Ltd.
- Electronic fuse circuit and circuit system using the same15 Sep 2026US 12,738,727 B2Joulwatt Technology Co., Ltd.
- Multilevel power conversion system, and circuitry of multilevel power conversion system15 Sep 2026US 12,738,832 B2TMEIC Corporation
- Dc inversion-based ac valve control system1 Oct 2026US 2026/0302762 A1Fujian OralGarden Technology Co., Ltd.
- Extended voltage operating ranges of power supplies1 Oct 2026US 2026/0302763 A1Itron, Inc.
- Short circuit current limit for open loop llc converter1 Oct 2026US 2026/0302958 A1Murata Manufacturing Co., Ltd.
- Direct current conversion device and system24 Sep 2026US 2026/0291212 A1Crrc Zhuzhou Electric Locomotive Research Institute Co., Ltd.
- Power receiving apparatus24 Sep 2026US 2026/0291289 A1Denso Corporation
Most cited
By later US patents
- Surgical instrument control circuit having a safety processor1,553US 9,690,362 B2Ethicon, Inc. · 2017
- Systems and methods for controlling a segmented circuit1,496US 9,804,618 B2Ethicon, Inc. · 2017
- Power management through segmented circuit and variable voltage protection1,481US 9,733,663 B2Ethicon, Inc. · 2017
- Sterilization verification circuit1,467US 9,826,977 B2Ethicon, Inc. · 2017
- Power management through sleep options of segmented circuit and wake up control1,444US 10,013,049 B2Ethicon, Inc. · 2018