H01H 71/123
Using a solid-state trip unit
Official title: {using a solid-state trip unit (circuits H02H)}
H01H71/123 (Using a solid-state trip unit) appears on 597 US grants and 480 published applications in this corpus.
Search patents in H01H- Granted patents
- 597
- Published applications
- 480
- Assignees
- 153
- Inventors
- 1,083
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 14 | 0 |
| 1988 | 8 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 15 | 0 |
| 2000 | 13 | 0 |
| 2001 | 22 | 4 |
| 2002 | 16 | 15 |
| 2003 | 15 | 16 |
| 2004 | 18 | 14 |
| 2005 | 12 | 21 |
| 2006 | 11 | 13 |
| 2007 | 11 | 13 |
| 2008 | 11 | 13 |
| 2009 | 14 | 20 |
| 2010 | 6 | 17 |
| 2011 | 16 | 23 |
| 2012 | 18 | 18 |
| 2013 | 20 | 20 |
| 2014 | 19 | 18 |
| 2015 | 20 | 28 |
| 2016 | 15 | 25 |
| 2017 | 26 | 20 |
| 2018 | 16 | 18 |
| 2019 | 24 | 22 |
| 2020 | 23 | 19 |
| 2021 | 22 | 18 |
| 2022 | 28 | 22 |
| 2023 | 24 | 21 |
| 2024 | 16 | 22 |
| 2025 | 16 | 22 |
| 2026 | 15 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrical protection devices comprising an integrated switching module6 Oct 2026US 12,755,918 B2Schneider Electric Industries SAS
- Compact recloser6 Oct 2026US 12,755,919 B2Hubbell Incorporated
- 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
- Active arc fault circuit interrupters with solid-state components15 Sep 2026US 12,738,437 B2Siemens Industry, Inc.
- Protective switching device and method25 Aug 2026US 12,718,992 B2Siemens Aktiengesellschaft
- Compact recloser27 Aug 2026US 2026/0253827 A1
- System on sensor electrical protective device30 Jul 2026US 2026/0221365 A1Schneider Electric USA, Inc.
- Instantaneous trip apparatus of molded case circuit breaker30 Jul 2026US 2026/0221366 A1Ls Electric Co., Ltd.
- Over-temperature protection method and apparatus, device, and storage medium for solid-state circuit breaker30 Jul 2026US 2026/0221757 A1Schneider Electric Industries SAS
- Compact recloser23 Jul 2026US 2026/0213108 A1
Most cited
By later US patents
- Circuit breaker panel241US 8,681,463 B2Edison Global Circuits, LLC · 2014
- Arcing fault detection system107US 5,682,101 ASquare D Company · 1997
- Ultra high-speed circuit breaker with galvanic isolation102US 5,132,865 AMerlin Gerin · 1992
- Current sensor for an electronic trip device101US 5,083,081 AMerlin Gerin · 1992
- Electrical wiring device with high current USB charging capabilities99US 8,758,031 B2Pass & Seymour, Inc. · 2014