H02H 3/042
Combined with means for locating the fault
Official title: {combined with means for locating the fault (locating faults in cables G01R31/08)}
H02H3/042 (Combined with means for locating the fault) appears on 141 US grants and 151 published applications in this corpus.
Search patents in H02H- Granted patents
- 141
- Published applications
- 151
- Assignees
- 109
- Inventors
- 337
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 1 |
| 2003 | 2 | 4 |
| 2004 | 6 | 1 |
| 2005 | 2 | 5 |
| 2006 | 2 | 12 |
| 2007 | 4 | 7 |
| 2008 | 6 | 2 |
| 2009 | 6 | 1 |
| 2010 | 4 | 2 |
| 2011 | 2 | 5 |
| 2012 | 1 | 1 |
| 2013 | 4 | 2 |
| 2014 | 3 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 7 |
| 2017 | 5 | 7 |
| 2018 | 5 | 8 |
| 2019 | 7 | 5 |
| 2020 | 5 | 16 |
| 2021 | 10 | 4 |
| 2022 | 10 | 20 |
| 2023 | 13 | 7 |
| 2024 | 6 | 11 |
| 2025 | 8 | 13 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Circuit breaker forensics for power distribution units11 Aug 2026US 12,706,450 B2Legrand DPC, LLC
- Ground fault detection system and method5 May 2026US 12,618,918 B2Transportation IP Holdings, LLC
- Electrical power systems and methods28 Apr 2026US 12,612,173 B2ROLLS-ROYCE plc
- Multi-ended impedance-based fault locating for untransposed transmission lines17 Mar 2026US 12,578,374 B2Schweitzer Engineering Laboratories, Inc.
- Systems and methods for power supplies with dynamic voltage drop compensation2 Dec 2025US 12,487,258 B2Outdoor Wireless Networks LLC
- Fault type identification method in electrical power system21 May 2026US 2026/0142452 A1Hitachi Energy Ltd
- Multi-ended impedance-based fault locating for untransposed transmission lines5 Mar 2026US 2026/0063699 A1Schweitzer Engineering Laboratories, Inc.
- Systems, controllers, and methods for fault detection12 Feb 2026US 2026/0045793 A1Cummins Power Generation Inc.
- Apparatus for controlling circuit breaker module, energy storage system, and microgrid system22 Jan 2026US 2026/0024983 A1Contemporary Amperex Technology Co., Limited
- Early Detection of Defects on Single-Wire Earth-Return Powerlines Using a Low-Voltage Sensing Method13 Nov 2025US 2025/0347728 A1Dx Tech Pty Ltd
Most cited
By later US patents
- Self-powered communications link for smart circuit breakers232US 7,570,470 B2The Boeing Company · 2009
- System, apparatus and method for detection of electrical faults94US 7,282,921 B2Isra-Juk Electronics Ltd. · 2007
- Method for processing and disseminating utility outage information87US 6,259,972 B1Enghouse Systems USA, Inc. · 2001
- Direction indicating fault indicators67US 5,220,311 A1993
- Circuit protector monitoring and management system user interface method, system and program55US 7,391,299 B2Cooper Technologies Company · 2008