H02H 7/266
Involving switching on a spare supply
Official title: {involving switching on a spare supply (in general H02J9/00)}
H02H7/266 (Involving switching on a spare supply) appears on 32 US grants and 32 published applications in this corpus.
Search patents in H02H- Granted patents
- 32
- Published applications
- 32
- Assignees
- 16
- Inventors
- 78
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 4 |
| 2005 | 5 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 3 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 2 |
| 2021 | 1 | 1 |
| 2022 | 3 | 12 |
| 2023 | 9 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power distribution protection system and method thereof16 Jun 2026US 12,658,686 B2Schneider Electric (China) Co., Ltd.
- Restoration management13 Feb 2024US 11,901,726 B2S&C Electric Company
- Pulse circuit for providing a fault current in a DC voltage power supply grid5 Dec 2023US 11,837,864 B2Siemens Aktiengesellschaft
- Transformer for underground radial loop network7 Nov 2023US 11,811,213 B2S&C Electric Company
- Fault detection in redundant power supplies20 Jun 2023US 11,682,896 B2International Business Machines Corporation
- A protection method for an electrical distribution system23 Apr 2026US 2026/0110723 A1Hitachi Energy Ltd
- Power distribution protection system and method thereof8 May 2025US 2025/0149873 A1Schneider Electric (China) Co., Ltd.
- Fault detection in redundant power supplies8 Dec 2022US 2022/0393499 A1International Business Machines Corporation
- Restoration management7 Apr 2022US 2022/0109295 A1S&C Electric Company
- Radial restoration7 Apr 2022US 2022/0109301 A1S&C Electric Company
Most cited
By later US patents
- Automatic transfer control device and frequency monitor38US 4,231,029 AWestinghouse Electric Corp. · 1980
- Intelligent power distribution network37US 6,341,054 B12002
- Protection system for controller and control wiring induced under voltage faults in an electric power generating system36US 5,422,778 ASundstrand Corporation · 1995
- Fault control and restoration in a multi-feed power network26US 6,907,321 B2Viserge Limited · 2005
- Arrangements to detect and respond to disturbances in electrical power systems8US 6,601,002 B1S&C Electric Company · 2003