H02H 3/027
With automatic disconnection after a predetermined time
Official title: with automatic disconnection after a predetermined time (H02H3/033, H02H3/06 take precedence {; timing in overcurrent protection circuits H02H3/093; in undervoltage protection circuits H02H3/247; staggered disconnection H02H7/30})
H02H3/027 (With automatic disconnection after a predetermined time) appears on 112 US grants and 203 published applications in this corpus.
Search patents in H02H- Granted patents
- 112
- Published applications
- 203
- Assignees
- 98
- Inventors
- 270
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 3 |
| 2011 | 2 | 3 |
| 2012 | 0 | 5 |
| 2013 | 5 | 8 |
| 2014 | 6 | 4 |
| 2015 | 5 | 6 |
| 2016 | 4 | 4 |
| 2017 | 5 | 5 |
| 2018 | 4 | 9 |
| 2019 | 8 | 10 |
| 2020 | 7 | 9 |
| 2021 | 9 | 8 |
| 2022 | 15 | 12 |
| 2023 | 8 | 6 |
| 2024 | 7 | 5 |
| 2025 | 4 | 4 |
| 2026 | 4 | 94 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Circuit interrupter apparatus with a selectable display means56US 4,827,369 AWestinghouse Electric Corp. · 1989
- Energy validation arrangement for a self-powered circuit interrupter40US 5,774,319 ASquare D Company · 1998
- Ground fault detector and associated logic for an electronic ballast34US 5,334,912 AUSI Lighting, Inc. · 1994
- Ground fault circuit interrupter and electronic module therefor32US 3,953,766 AGeneral Electric Company · 1976
- Ground fault detection system and method for inverter19US 7,233,465 B2LG Industrial Systems Co., Ltd. · 2007