H02H 7/1227
Responsive to abnormalities in the output circuit
Official title: {responsive to abnormalities in the output circuit, e.g. short circuit}
H02H7/1227 (Responsive to abnormalities in the output circuit) appears on 261 US grants and 232 published applications in this corpus.
Search patents in H02H- Granted patents
- 261
- Published applications
- 232
- Assignees
- 191
- Inventors
- 573
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 2 |
| 2003 | 4 | 3 |
| 2004 | 4 | 2 |
| 2005 | 0 | 2 |
| 2006 | 3 | 4 |
| 2007 | 1 | 5 |
| 2008 | 4 | 3 |
| 2009 | 3 | 5 |
| 2010 | 3 | 3 |
| 2011 | 4 | 4 |
| 2012 | 2 | 3 |
| 2013 | 6 | 13 |
| 2014 | 3 | 9 |
| 2015 | 10 | 13 |
| 2016 | 13 | 15 |
| 2017 | 12 | 11 |
| 2018 | 10 | 21 |
| 2019 | 14 | 26 |
| 2020 | 20 | 21 |
| 2021 | 25 | 15 |
| 2022 | 9 | 19 |
| 2023 | 16 | 15 |
| 2024 | 20 | 7 |
| 2025 | 11 | 5 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for protection during inverter shutdown in distributed power installations7 Jul 2026US 12,676,488 B2Solaredge Technologies Ltd.
- Abnormality detection apparatus19 May 2026US 12,633,737 B2Denso Corporation
- System for controlling a voltage converter28 Apr 2026US 12,614,994 B2Valeo Equipements Electriques Moteur
- Method for detecting earth faults and frequency converter system with earth fault detection30 Dec 2025US 12,510,606 B2Hitachi Energy Ltd
- Power supply device, control device for power supply circuit, and program25 Nov 2025US 12,483,024 B2Murata Manufacturing Co., Ltd.
- Dc inversion-based ac valve control system1 Oct 2026US 2026/0302762 A1Fujian OralGarden Technology Co., Ltd.
- Frequency converter, system and method of detecting an operational deviation13 Aug 2026US 2026/0238118 A1
- Dynamic online hw-overcurrent-threshold-reduction dependent on the operation point30 Jul 2026US 2026/0221748 A1Valeo eAutomotive Germany GmbH
- Protection Apparatus And Protection Method For Driver, And Driver7 May 2026US 2026/0128705 A1Siemens Aktiengesellschaft
- Power Supplies with Overcurrent Protection and Single-Point Fault Protection23 Apr 2026US 2026/0112877 A1Weltrend Semiconductor Inc.
Most cited
By later US patents
- System and method for protection during inverter shutdown in distributed power installations214US 8,816,535 B2Solaredge Technologies Ltd. · 2014
- Parallel connection of controllable semiconductor components187US 5,859,772 AABB Daimler-Benz Transportation (Technology) GmbH · 1999
- Security apparatus for power converter178US 4,819,121 AKabushiki Kaisha Toshiba · 1989
- Apparatus and method for measuring current172US 6,590,794 B1Siemens Aktiengesellschaft · 2003
- DC-AC inverter with overload driving capability109US 4,706,177 A1987