H02H 3/105
Responsive to excess current and fault current to earth
Official title: {responsive to excess current and fault current to earth}
H02H3/105 (Responsive to excess current and fault current to earth) appears on 159 US grants and 137 published applications in this corpus.
Search patents in H02H- Granted patents
- 159
- Published applications
- 137
- Assignees
- 93
- Inventors
- 306
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 7 | 2 |
| 2003 | 6 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 4 |
| 2006 | 2 | 4 |
| 2007 | 3 | 4 |
| 2008 | 5 | 3 |
| 2009 | 3 | 1 |
| 2010 | 3 | 3 |
| 2011 | 1 | 3 |
| 2012 | 2 | 1 |
| 2013 | 1 | 4 |
| 2014 | 3 | 1 |
| 2015 | 2 | 11 |
| 2016 | 8 | 7 |
| 2017 | 5 | 5 |
| 2018 | 3 | 9 |
| 2019 | 7 | 10 |
| 2020 | 12 | 12 |
| 2021 | 13 | 11 |
| 2022 | 11 | 13 |
| 2023 | 9 | 8 |
| 2024 | 7 | 3 |
| 2025 | 6 | 5 |
| 2026 | 1 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and reconfigurable inline systems for protection from transient electromagnetic energy disturbance16 Jun 2026US 12,658,694 B2EMP Shield Inc.
- Ground fault interrupt and USB power supply electrical wiring device13 May 2025US 12,300,994 B2Pass & Seymour, Inc.
- Residual current circuit breaker with two switching devices15 Apr 2025US 12,278,475 B2Blixt Tech AB
- Method for processing interphase short circuit1 Apr 2025US 12,266,914 B2Baoding Yuxin Electric Technology Co., Ltd.
- Electric grill with current protection circuitry1 Apr 2025US 12,267,918 B2Weber-Stephen Products LLC
- Vehicle control device10 Sep 2026US 2026/0269597 A1Denso Corporation
- Circuit breaker device and method27 Aug 2026US 2026/0254224 A1Siemens Aktiengesellschaft
- Circuit breaker using semiconductor21 May 2026US 2026/0142448 A1Ls Electric Co., Ltd.
- Smart Circuit Breaker Systems and Methods23 Apr 2026US 2026/0112879 A1Noble Carbon LLC
- Current return channel and method for the use of a residual current device with a differential current sensor in an ungrounded dc power supply system16 Apr 2026US 2026/0106447 A1Bender GmbH & Co. KG
Most cited
By later US patents
- Circuit breaker panel241US 8,681,463 B2Edison Global Circuits, LLC · 2014
- Solid-state trip device comprising a zero sequence current detection circuit137US 4,899,246 AMerlin Gerin · 1990
- Method and systems for electromagnetic protection with persistent self monitoring and cybersecure local and remote status report130US 11,469,592 B12022
- Ground fault circuit breaker88US 4,081,852 AWestinghouse Electric Corp. · 1978
- Arc fault detection system77US 6,259,996 B1Square D Company · 2001