Y04S 10/20
Systems supporting electrical power generation, transmission or distribution: using protection elements, arrangements
Official title: using protection elements, arrangements or systems
Y04S10/20 (Systems supporting electrical power generation, transmission or distribution: using protection elements, arrangements) appears on 155 US grants and 152 published applications in this corpus.
Search patents in Y04S- Granted patents
- 155
- Published applications
- 152
- Assignees
- 82
- Inventors
- 375
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 3 | 14 |
| 2004 | 0 | 4 |
| 2005 | 5 | 1 |
| 2006 | 8 | 5 |
| 2007 | 3 | 1 |
| 2008 | 2 | 1 |
| 2009 | 2 | 0 |
| 2010 | 1 | 6 |
| 2011 | 2 | 2 |
| 2012 | 5 | 6 |
| 2013 | 1 | 6 |
| 2014 | 2 | 12 |
| 2015 | 7 | 7 |
| 2016 | 11 | 4 |
| 2017 | 9 | 6 |
| 2018 | 5 | 13 |
| 2019 | 6 | 9 |
| 2020 | 13 | 13 |
| 2021 | 8 | 10 |
| 2022 | 11 | 25 |
| 2023 | 21 | 3 |
| 2024 | 9 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Supplemental techniques for characterizing power quality events in an electrical system6 Jan 2026US 12,519,305 B2Schneider Electric USA, Inc.
- Monitoring system for remotely monitoring a state of pole-mounted equipment in a power distribution or transmission grid, grid equipment having the monitoring system, and corresponding method6 May 2025US 12,294,213 B2Hitachi Energy Ltd
- Anti-islanding protection and non-exporting tariff support6 May 2025US 12,294,221 B2S&C Electric Company
- Methods, devices, and systems for distributed monitoring based adaptive diagnosis of power anomalies in a power network24 Dec 2024US 12,176,709 B2Eaton Intelligent Power Limited
- Transient based method for identifying faults in a high / medium voltage electric power transmission system15 Oct 2024US 12,117,479 B2Supergrid Institute
- Anti-islanding protection and non-exporting tariff support22 Aug 2024US 2024/0283253 A1S&C Electric Company
- Supplemental techniques for characterizing power quality events in an electrical system4 Jul 2024US 2024/0222958 A1Schneider Electric USA, Inc.
- Methods, devices, and systems for distributed monitoring based adaptive diagnosis of power anomalies in a power network2 May 2024US 2024/0146054 A1Eaton Intelligent Power Limited
- Redundant generic object oriented substation event (goose) messages10 Aug 2023US 2023/0254228 A1Schweitzer Engineering Laboratories, Inc.
- Pilot protection method, device and storage medium11 May 2023US 2023/0148329 A1Guangdong University of Technology
Most cited
By later US patents
- Distribution automation smart remote terminal unit194US 5,237,511 AWestronic, Inc. · 1993
- Method for power distribution system components identification, characterization and rating167US 6,909,942 B2General Electric Company · 2005
- Station for power line access data system132US 3,944,723 AGeneral Electric Company · 1976
- Distributed monitoring and protection system for a distributed power network112US 6,496,342 B1Bitronics, Inc. · 2002
- Modular solid state power controller with microcontroller102US 5,752,047 AMcDonnell Douglas Corporation · 1998