H02H 5/00
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired
Official title: Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection (using simulators of the apparatus being protected H02H6/00; specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems H02H7/00)
H02H5/00 (Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired) appears on 1,652 US grants and 1,538 published applications in this corpus.
Search patents in H02H- Granted patents
- 1,652
- Published applications
- 1,538
- Assignees
- 896
- Inventors
- 3,584
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 19 | 0 |
| 1978 | 22 | 0 |
| 1979 | 10 | 0 |
| 1980 | 16 | 0 |
| 1981 | 14 | 0 |
| 1982 | 9 | 0 |
| 1983 | 6 | 0 |
| 1984 | 10 | 0 |
| 1985 | 8 | 0 |
| 1986 | 7 | 0 |
| 1987 | 17 | 0 |
| 1988 | 8 | 0 |
| 1989 | 19 | 0 |
| 1990 | 22 | 0 |
| 1991 | 19 | 0 |
| 1992 | 24 | 0 |
| 1993 | 14 | 0 |
| 1994 | 12 | 0 |
| 1995 | 18 | 0 |
| 1996 | 20 | 0 |
| 1997 | 21 | 0 |
| 1998 | 21 | 0 |
| 1999 | 28 | 0 |
| 2000 | 17 | 0 |
| 2001 | 24 | 7 |
| 2002 | 20 | 26 |
| 2003 | 25 | 18 |
| 2004 | 26 | 21 |
| 2005 | 15 | 26 |
| 2006 | 13 | 35 |
| 2007 | 15 | 26 |
| 2008 | 22 | 24 |
| 2009 | 23 | 26 |
| 2010 | 23 | 30 |
| 2011 | 21 | 28 |
| 2012 | 22 | 44 |
| 2013 | 29 | 50 |
| 2014 | 32 | 74 |
| 2015 | 51 | 102 |
| 2016 | 63 | 63 |
| 2017 | 69 | 77 |
| 2018 | 66 | 121 |
| 2019 | 110 | 95 |
| 2020 | 95 | 102 |
| 2021 | 97 | 95 |
| 2022 | 103 | 81 |
| 2023 | 59 | 107 |
| 2024 | 99 | 101 |
| 2025 | 77 | 93 |
| 2026 | 58 | 66 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02H 5/04Responsive to abnormal temperature964
- H02H 5/10Responsive to mechanical injury248
- H02H 5/08Responsive to abnormal fluid pressure, liquid level or liquid displacement196
- H02H 5/12Responsive to undesired approach to, or touching of, live parts by living127
- H02H 5/005Responsive to ionising radiation103
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