H02J 13/36
Specially adapted for protection systems
Official title: specially adapted for protection systems
H02J13/36 (Specially adapted for protection systems) appears on 333 US grants and 368 published applications in this corpus.
Search patents in H02J- Granted patents
- 333
- Published applications
- 368
- Assignees
- 202
- Inventors
- 932
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 5 |
| 2003 | 9 | 22 |
| 2004 | 5 | 13 |
| 2005 | 8 | 7 |
| 2006 | 12 | 12 |
| 2007 | 8 | 6 |
| 2008 | 5 | 4 |
| 2009 | 7 | 6 |
| 2010 | 7 | 10 |
| 2011 | 9 | 5 |
| 2012 | 8 | 12 |
| 2013 | 4 | 11 |
| 2014 | 3 | 14 |
| 2015 | 8 | 14 |
| 2016 | 13 | 8 |
| 2017 | 13 | 15 |
| 2018 | 6 | 12 |
| 2019 | 15 | 17 |
| 2020 | 17 | 33 |
| 2021 | 22 | 25 |
| 2022 | 26 | 31 |
| 2023 | 26 | 18 |
| 2024 | 14 | 13 |
| 2025 | 21 | 24 |
| 2026 | 11 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Signaling solutions for electrical installations8 Sep 2026US 12,732,018 B2ABB AB
- Digital electricity controller18 Aug 2026US 12,712,362 B2VoltServer, Inc.
- Overhead power line fire prevention system28 Jul 2026US 12,691,310 B2California State University, Fresno
- Voltage selection control scheme for synchronism check in digital substations14 Jul 2026US 12,683,384 B2Schweitzer Engineering Laboratories, Inc.
- Redundant low-power distribution in a power distribution network26 May 2026US 12,640,587 B2Corning Research & Development Corporation
- Hazardous mechanical energy control system1 Oct 2026US 2026/0302830 A1Autoloto, Inc.
- Redundant low-power distribution in a power distribution network17 Sep 2026US 2026/0280340 A1Corning Research & Development Corporation
- Relay protection external operation information intelligent management system and method17 Sep 2026US 2026/0280341 A1Yunnan Electric Power Test and Research Institute (Group) Co., Ltd
- Universal Dead Bus Arbitration for Distributed Energy Resources10 Sep 2026US 2026/0269616 A1Google Inc.
- System for power line differential protection27 Aug 2026US 2026/0254241 A1Hitachi Energy Ltd
Most cited
By later US patents
- Electrical power line and substation monitoring apparatus and systems325US 4,758,962 A1988
- Method and system for monitoring and controlling an electrical distribution network275US 6,005,759 AABB Power T&D Company Inc. · 1999
- Integrated protection, monitoring, and control system252US 7,747,356 B2General Electric Company · 2010
- System for remotely controlling energy distribution at local sites236US 6,832,135 B2Yingco Electronic Inc. · 2004
- Power monitor apparatus and method with object oriented structure202US 5,650,936 ACD Power Measurement Limited · 1997