Y04S 10/52
Outage or fault management
Official title: Outage or fault management, e.g. fault detection or location
Y04S10/52 (Outage or fault management) appears on 605 US grants and 611 published applications in this corpus.
Search patents in Y04S- Granted patents
- 605
- Published applications
- 611
- Assignees
- 338
- Inventors
- 1,548
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 10 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 8 |
| 2004 | 6 | 11 |
| 2005 | 5 | 9 |
| 2006 | 2 | 11 |
| 2007 | 9 | 8 |
| 2008 | 7 | 7 |
| 2009 | 5 | 13 |
| 2010 | 4 | 8 |
| 2011 | 7 | 19 |
| 2012 | 8 | 28 |
| 2013 | 15 | 30 |
| 2014 | 23 | 33 |
| 2015 | 23 | 35 |
| 2016 | 42 | 41 |
| 2017 | 28 | 26 |
| 2018 | 37 | 83 |
| 2019 | 57 | 39 |
| 2020 | 50 | 38 |
| 2021 | 48 | 45 |
| 2022 | 39 | 39 |
| 2023 | 37 | 32 |
| 2024 | 29 | 21 |
| 2025 | 22 | 14 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Techniques for managing energy forecasts6 Oct 2026US 12,756,224 B2Apple Inc.
- Method for locating high-impedance ground fault of smart distribution network with topology change adaptation16 Jun 2026US 12,656,411 B2Changsha University of Science and Technology
- Methods and systems for infrastructure-monitoring control26 May 2026US 12,638,841 B2ASCO Power Technologies, L. P.
- Parameter independent traveling wave-based fault location using unsynchronized measurements5 May 2026US 12,618,887 B2Hitachi Energy Ltd
- Method and system for locating fault of complex power line, device, and storage medium21 Apr 2026US 12,607,663 B2Electric Power Research Institute of Yunnan Power Grid Co., Ltd
- Dc arc detection method based on mathematical morphology and pattern recognition16 Jul 2026US 2026/0202457 A1Shanghai Chint Power Systems Co., Ltd.
- Detection of sensor anomalies in photovoltaic power systems16 Jul 2026US 2026/0205055 A1Florida Power & Light Company
- Parameter independent traveling wave-based fault location using unsynchronized measurements9 Jul 2026US 2026/0194566 A1Hitachi Energy Ltd
- High-speed location method for high impedance fault in distribution network18 Jun 2026US 2026/0169050 A1Changzhou Institute of Technology
- Method for detecting ac and dc arc faults based on rogowski coil magnetic coupling resonance4 Jun 2026US 2026/0153553 A1Fujian Tongli Intelligent Machinery Technology Co., Ltd.
Most cited
By later US patents
- Low frequency bilateral communication over distributed power lines406US 6,154,488 AHunt Technologies, Inc. · 2000
- Method and apparatus for communicating power distribution event and location255US 8,077,049 B2Current Technologies, LLC · 2011
- System and method for island detection237US 6,850,074 B2Encorp, Inc. · 2005
- System, device and method for providing power outage and restoration notification227US 8,810,421 B2Current Technologies, LLC · 2014
- Diagnostic apparatus187US 4,644,479 AWestinghouse Electric Corp. · 1987