H02H 7/008
Emergency protective circuit arrangements specially adapted for specific types of electric machines
Official title: {for protective arrangements according to this subclass (H02H9/042, H02H9/043 take precedence; protection of spark-gaps H02H7/24)}
H02H7/008 (Emergency protective circuit arrangements specially adapted for specific types of electric machines) appears on 79 US grants and 96 published applications in this corpus.
Search patents in H02H- Granted patents
- 79
- Published applications
- 96
- Assignees
- 83
- Inventors
- 275
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 4 |
| 2016 | 0 | 3 |
| 2017 | 5 | 2 |
| 2018 | 1 | 4 |
| 2019 | 3 | 5 |
| 2020 | 3 | 6 |
| 2021 | 6 | 11 |
| 2022 | 8 | 14 |
| 2023 | 11 | 6 |
| 2024 | 13 | 13 |
| 2025 | 7 | 9 |
| 2026 | 7 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power supply circuit, working method of power supply circuit, and lighting device16 Jun 2026US 12,658,688 B2Aputure Imaging Industries Co., Ltd.
- Solid state circuit interrupter5 May 2026US 12,620,798 B2Eaton Intelligent Power Limited
- Leakage current detection and interruption device and related electrical connectors and electrical appliances5 May 2026US 12,620,801 B2
- Semiconductor integrated circuit device21 Apr 2026US 12,609,522 B2Mitsumi Electric Co., Ltd.
- Reverse wiring self-protection circuit and solid-state circuit breaker including the same14 Apr 2026US 12,603,493 B2Schneider Electric (China) Co., Ltd.
- Safety mechanism in a power receiver8 Oct 2026US 2026/0312398 A1Dolby Intellectual Property Licensing, LLC
- Solid state circuit interrupter27 Aug 2026US 2026/0254226 A1Eaton Intelligent Power Limited
- Resetable solid-state fuse13 Aug 2026US 2026/0237584 A1Kyocera AVX Components (Salzburg) GmbH
- Device, method and computer program product for prioritising switching off of electrical circuits13 Aug 2026US 2026/0237998 A1
- Overcurrent Protection6 Aug 2026US 2026/0229873 A1Instagrid GmbH
Most cited
By later US patents
- Circuit interrupter with overtemperature trip device45US 4,377,837 AWestinghouse Electric Corp. · 1983
- Combination circuit breaker-lightning arrestor42US 4,168,514 AGeneral Electric Company · 1979
- Protective means for series capacitors40US 4,432,029 AASEA Aktiebolag · 1984
- Surge absorber39US 4,015,228 AMatsushita Electric Industrial Co., Ltd. · 1977
- Overcurrent protection circuit with improved PTC trip endurance27US 5,805,393 ARaychem Corporation · 1998