H02H 7/1225
Responsive to internal faults
Official title: {responsive to internal faults, e.g. shoot-through (avoiding shoot-through H02M1/38)}
H02H7/1225 (Responsive to internal faults) appears on 169 US grants and 170 published applications in this corpus.
Search patents in H02H- Granted patents
- 169
- Published applications
- 170
- Assignees
- 123
- Inventors
- 476
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 4 |
| 2008 | 1 | 2 |
| 2009 | 2 | 4 |
| 2010 | 0 | 0 |
| 2011 | 2 | 2 |
| 2012 | 3 | 3 |
| 2013 | 1 | 7 |
| 2014 | 5 | 10 |
| 2015 | 2 | 13 |
| 2016 | 12 | 19 |
| 2017 | 20 | 15 |
| 2018 | 15 | 13 |
| 2019 | 18 | 16 |
| 2020 | 8 | 13 |
| 2021 | 13 | 10 |
| 2022 | 10 | 10 |
| 2023 | 5 | 9 |
| 2024 | 9 | 4 |
| 2025 | 8 | 9 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coil short circuit protection in DC-DC converters24 Mar 2026US 12,587,099 B2STMicroeIectronics International N.V.
- Current control device, switch control device, current control method, and computer program11 Nov 2025US 12,470,211 B2Autonetworks Technologies, Ltd.
- Circuitry and methods for detecting an electrical fault in power conversion circuitry14 Oct 2025US 12,445,046 B2ROLLS-ROYCE plc
- Motor drive device26 Aug 2025US 12,401,307 B2Mitsubishi Electric Corporation
- Fault detection methods and devices for pulse width modulation converters19 Aug 2025US 12,394,977 B2STMicroelectronics International N. V.
- System and method for fault diagnosis for cascaded h-bridge (chb) converter based switched reluctance motor (srm) drive systems20 Aug 2026US 2026/0243828 A1Enedym Inc.
- Module level power electronics, diagnosis management system, and diagnosis management method6 Aug 2026US 2026/0229887 A1Hanwha Solutions Corporation
- Power converter18 Jun 2026US 2026/0171930 A1Huawei Digital Power Technologies Co., Ltd.
- Power Conversion Device14 May 2026US 2026/0135372 A1Mitsubishi Electric Corporation
- Monitoring health of capacitor of power converter23 Oct 2025US 2025/0327879 A1Rolls-Royce Deutschland Ltd & Co KG
Most cited
By later US patents
- Fault tolerant power converter186US 5,708,576 ASundstrand Corporation · 1998
- Motor drive circuit137US 8,049,363 B2TRW Inc. · 2011
- Current overload protection for inverter of uninterruptible power supply system40US 4,410,935 AGeneral Signal Corporation · 1983
- Fault commutation system for static inverters22US 3,947,748 AEaton Corporation · 1976
- Multiple inverters with overcurrent and shoot-through protection20US 4,546,423 ATokyo Shibaura Denki Kabushiki Kaisha · 1985