H01H 71/125
Characterised by sensing elements
Official title: {characterised by sensing elements, e.g. current transformers (for differential protection H01H83/144)}
H01H71/125 (Characterised by sensing elements) appears on 224 US grants and 195 published applications in this corpus.
Search patents in H01H- Granted patents
- 224
- Published applications
- 195
- Assignees
- 75
- Inventors
- 443
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 11 | 2 |
| 2002 | 9 | 2 |
| 2003 | 7 | 5 |
| 2004 | 4 | 3 |
| 2005 | 6 | 9 |
| 2006 | 2 | 3 |
| 2007 | 5 | 4 |
| 2008 | 2 | 3 |
| 2009 | 4 | 4 |
| 2010 | 1 | 4 |
| 2011 | 2 | 13 |
| 2012 | 5 | 8 |
| 2013 | 12 | 7 |
| 2014 | 5 | 8 |
| 2015 | 10 | 12 |
| 2016 | 6 | 12 |
| 2017 | 11 | 10 |
| 2018 | 7 | 7 |
| 2019 | 11 | 16 |
| 2020 | 10 | 7 |
| 2021 | 9 | 7 |
| 2022 | 16 | 10 |
| 2023 | 10 | 12 |
| 2024 | 7 | 11 |
| 2025 | 9 | 9 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Protective switching device and method25 Aug 2026US 12,718,992 B2Siemens Aktiengesellschaft
- Circuit breaker11 Aug 2026US 12,706,258 B2Siemens Aktiengesellschaft
- Systems and methods for monitoring temperature in an electrical panel2 Jun 2026US 12,644,778 B2Vertiv IT Systems, Inc.
- Circuit breaker and method26 May 2026US 12,640,316 B2Siemens Aktiengesellschaft
- System on sensor electrical protective device30 Jul 2026US 2026/0221365 A1Schneider Electric USA, Inc.
- Transformer-based trigger mechanism for current interruption devices and circuit designs for same25 Jun 2026US 2026/0179868 A1Sensata Technologies, Inc.
- Bi-Directional Solid-State DC Circuit Breaker with Breaking Speed Control21 May 2026US 2026/0142113 A1Hong Kong Applied Science and Technology Research Institute Company Limited
- Device for measuring at least one electrical quantity and associated operating diagnostic system14 May 2026US 2026/0133220 A1Schneider Electric Industries SAS
- Circuit breaker12 Mar 2026US 2026/0074135 A1Schneider Electric Industries SAS
Most cited
By later US patents
- Arcing fault detection system107US 5,682,101 ASquare D Company · 1997
- Current sensor for an electronic trip device101US 5,083,081 AMerlin Gerin · 1992
- Arc fault detection system77US 6,259,996 B1Square D Company · 2001
- Combination current sensor and relay68US 5,808,846 AVeris Industries, LLC · 1998
- Electrical fault detection system64US 6,246,556 B1Square D Company · 2001