H02H 11/005
In case of too low isolation resistance, too high load, short-circuit
Official title: {in case of too low isolation resistance, too high load, short-circuit; earth fault}
H02H11/005 (In case of too low isolation resistance, too high load, short-circuit) appears on 111 US grants and 96 published applications in this corpus.
Search patents in H02H- Granted patents
- 111
- Published applications
- 96
- Assignees
- 101
- Inventors
- 275
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 0 |
| 2003 | 3 | 3 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 3 |
| 2008 | 1 | 2 |
| 2009 | 3 | 2 |
| 2010 | 2 | 3 |
| 2011 | 2 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 3 | 8 |
| 2015 | 2 | 7 |
| 2016 | 8 | 9 |
| 2017 | 8 | 4 |
| 2018 | 4 | 9 |
| 2019 | 9 | 4 |
| 2020 | 3 | 5 |
| 2021 | 8 | 4 |
| 2022 | 4 | 3 |
| 2023 | 3 | 5 |
| 2024 | 1 | 4 |
| 2025 | 3 | 5 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Leakage Protection Circuit, Electrical Equipment, and Leakage Protection Method30 Apr 2026US 2026/0121398 A1Joulwatt Technology Co., Ltd.
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Most cited
By later US patents
- Ground fault detection and protection method for a variable speed ac electric motor101US 5,945,802 AGeneral Electric Company · 1999
- Electrical fault interrupt circuits70US 5,943,198 A1999
- Protection circuit for electronic devices67US 6,130,813 ADell USA, L. P. · 2000
- Fault circuit for stimulator53US 4,088,141 AStimulation Technology, Inc. · 1978
- Method for preventing making on electrical short circuits existing in branches and corresponding device53US 6,597,552 B1Siemens Aktiengesellschaft · 2003