H02H 3/04
With warning or supervision in addition to disconnection
Official title: with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned {(watching of pilot wires H02H1/0084; protection of protective arrangements H02H7/008; indication of the state of electronic switches H03K17/18)}
H02H3/04 (With warning or supervision in addition to disconnection) appears on 1,190 US grants and 1,045 published applications in this corpus.
Search patents in H02H- Granted patents
- 1,190
- Published applications
- 1,045
- Assignees
- 562
- Inventors
- 2,413
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 15 | 0 |
| 1978 | 7 | 0 |
| 1979 | 9 | 0 |
| 1980 | 5 | 0 |
| 1981 | 9 | 0 |
| 1982 | 11 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 14 | 0 |
| 1990 | 11 | 0 |
| 1991 | 11 | 0 |
| 1992 | 18 | 0 |
| 1993 | 13 | 0 |
| 1994 | 14 | 0 |
| 1995 | 12 | 0 |
| 1996 | 16 | 0 |
| 1997 | 18 | 0 |
| 1998 | 28 | 0 |
| 1999 | 26 | 0 |
| 2000 | 17 | 0 |
| 2001 | 19 | 4 |
| 2002 | 17 | 14 |
| 2003 | 25 | 20 |
| 2004 | 25 | 17 |
| 2005 | 11 | 21 |
| 2006 | 15 | 34 |
| 2007 | 12 | 31 |
| 2008 | 22 | 22 |
| 2009 | 18 | 19 |
| 2010 | 18 | 28 |
| 2011 | 12 | 21 |
| 2012 | 19 | 38 |
| 2013 | 27 | 25 |
| 2014 | 33 | 40 |
| 2015 | 28 | 31 |
| 2016 | 27 | 60 |
| 2017 | 46 | 50 |
| 2018 | 43 | 80 |
| 2019 | 63 | 65 |
| 2020 | 65 | 78 |
| 2021 | 83 | 74 |
| 2022 | 70 | 63 |
| 2023 | 64 | 67 |
| 2024 | 54 | 63 |
| 2025 | 47 | 45 |
| 2026 | 37 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Self-test auto monitor ground fault circuit interrupter (GFCI) with power denial6 Oct 2026US 12,754,232 B2Hubbell Incorporated
- Systems and methods for utilizing electricity monitoring devices to mitigate or prevent structural damage6 Oct 2026US 12,756,173 B2State Farm Mutual Automobile Insurance Company
- Systems and methods for utilizing electricity monitoring devices to mitigate or prevent structural damage29 Sep 2026US 12,749,885 B2State Farm Mutual Automobile Insurance Company
- Bi-directional solid-state DC circuit breaker with breaking speed control15 Sep 2026US 12,738,436 B2Hong Kong Applied Science and Technology Research Institute Company Limited
- Power supply device and overcurrent alarm method15 Sep 2026US 12,738,726 B2Delta Electronics (Shanghai) Co., Ltd.
- Systems and methods for utilizing electricity monitoring devices to mitigate or prevent structural damage8 Oct 2026US 2026/0312395 A1State Farm Mutual Automobile Insurance Company
- Vehicle control device10 Sep 2026US 2026/0269597 A1Denso Corporation
- Circuit breaker device and method27 Aug 2026US 2026/0254225 A1Siemens Aktiengesellschaft
- Solid state circuit interrupter27 Aug 2026US 2026/0254226 A1Eaton Intelligent Power Limited
- System for power line differential protection27 Aug 2026US 2026/0254241 A1Hitachi Energy Ltd
Most cited
By later US patents
- Multiple sensors with one sensor affecting a second sensor's output or interpretation1,559US 9,757,128 B2Ethicon, Inc. · 2017
- Multiple motor control for powered medical device1,555US 9,788,836 B2Ethicon, Inc. · 2017
- Adjunct with integrated sensors to quantify tissue compression1,540US 9,724,094 B2Ethicon, Inc. · 2017
- Monitoring device degradation based on component evaluation1,519US 9,737,301 B2Ethicon, Inc. · 2017
- Polarity of hall magnet to identify cartridge type1,445US 10,016,199 B2Ethicon, Inc. · 2018