H02H 3/083
For three-phase systems
Official title: {for three-phase systems}
H02H3/083 (For three-phase systems) appears on 149 US grants and 135 published applications in this corpus.
Search patents in H02H- Granted patents
- 149
- Published applications
- 135
- Assignees
- 97
- Inventors
- 418
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 4 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 2 |
| 2013 | 5 | 8 |
| 2014 | 6 | 3 |
| 2015 | 3 | 9 |
| 2016 | 4 | 10 |
| 2017 | 8 | 6 |
| 2018 | 6 | 12 |
| 2019 | 13 | 11 |
| 2020 | 7 | 6 |
| 2021 | 15 | 9 |
| 2022 | 4 | 8 |
| 2023 | 14 | 12 |
| 2024 | 7 | 7 |
| 2025 | 4 | 8 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lateral fault isolation23 Jun 2026US 12,665,413 B2S&C Electric Company
- Power distribution protection system and method thereof16 Jun 2026US 12,658,686 B2Schneider Electric (China) Co., Ltd.
- Electronic switching protection apparatus without generating an electric arc17 Mar 2026US 12,580,379 B2Hager Electro
- Arc fault solution for multiple electric devices24 Feb 2026US 12,562,561 B2Innomotics GmbH
- Hybrid miniature circuit breaker4 Nov 2025US 12,463,411 B2Eaton Intelligent Power Limited
- Extended voltage operating ranges of power supplies1 Oct 2026US 2026/0302763 A1Itron, Inc.
- Switch device and method for operating a switch device17 Sep 2026US 2026/0280267 A1Siemens Aktiengesellschaft
- Circuit breaker device and method27 Aug 2026US 2026/0254225 A1Siemens Aktiengesellschaft
- Dynamic online hw-overcurrent-threshold-reduction dependent on the operation point30 Jul 2026US 2026/0221748 A1Valeo eAutomotive Germany GmbH
- Power supply unit and circuit breaker30 Jul 2026US 2026/0221758 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Motor control apparatus with parallel input, serial output signal conditioning means109US 4,434,390 AWestinghouse Electric Corp. · 1984
- Microprocessor-based protective relay system58US 5,057,962 AGeneral Electric Company · 1991
- Fail-resistant solid state interruption system58US 5,170,310 ASquare D Company · 1992
- Single channel apparatus for on-line monitoring of three-phase AC motor stator electrical faults40US 6,137,418 AEaton Corporation · 2000
- Solid state tripping circuit33US 4,060,844 AI-T-E Imperial Corporation · 1977