H01H 83/20
Operated by excess current as well as by some other abnormal electrical
Official title: operated by excess current as well as by some other abnormal electrical condition
H01H83/20 (Operated by excess current as well as by some other abnormal electrical) appears on 622 US grants and 428 published applications in this corpus.
Search patents in H01H- Granted patents
- 622
- Published applications
- 428
- Assignees
- 176
- Inventors
- 1,028
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 12 | 0 |
| 1988 | 6 | 0 |
| 1989 | 14 | 0 |
| 1990 | 8 | 0 |
| 1991 | 10 | 0 |
| 1992 | 11 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 20 | 0 |
| 1999 | 9 | 0 |
| 2000 | 15 | 0 |
| 2001 | 31 | 3 |
| 2002 | 25 | 24 |
| 2003 | 26 | 30 |
| 2004 | 17 | 19 |
| 2005 | 19 | 13 |
| 2006 | 19 | 20 |
| 2007 | 11 | 8 |
| 2008 | 14 | 14 |
| 2009 | 14 | 10 |
| 2010 | 8 | 18 |
| 2011 | 9 | 13 |
| 2012 | 13 | 8 |
| 2013 | 11 | 13 |
| 2014 | 14 | 14 |
| 2015 | 11 | 22 |
| 2016 | 17 | 18 |
| 2017 | 16 | 15 |
| 2018 | 15 | 17 |
| 2019 | 28 | 25 |
| 2020 | 21 | 27 |
| 2021 | 26 | 15 |
| 2022 | 20 | 18 |
| 2023 | 16 | 17 |
| 2024 | 13 | 17 |
| 2025 | 14 | 18 |
| 2026 | 8 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 2083/201The other abnormal electrical condition being an arc faultIndexing code199
- H01H 83/22The other condition being imbalance of two or more currents or voltages153
- H01H 2083/203With shunt trip circuitsIndexing code43
- H01H 2083/205Having shunt or uvr tripping device with integrated mechanical energy accumulatorIndexing code34
- H01H 2083/206With thermal shunt tripIndexing code14
- H01H 2083/208Converting under voltage release [uvr] and shunt releaseIndexing code14
Recent patents
- Active arc fault circuit interrupters with solid-state components15 Sep 2026US 12,738,437 B2Siemens Industry, Inc.
- Circuit breaker11 Aug 2026US 12,706,258 B2Siemens Aktiengesellschaft
- Protective wiring device11 Aug 2026US 12,706,266 B2Pass & Seymour, Inc.
- Electronic switching protection apparatus without generating an electric arc17 Mar 2026US 12,580,379 B2Hager Electro
- Circuit breaker24 Feb 2026US 12,562,322 B2Siemens Aktiengesellschaft
- Modular cable24 Sep 2026US 2026/0287679 A1Channel Well Technology Co., Ltd.
- Selectable shunt voltage for circuit breaker6 Aug 2026US 2026/0229872 A1Vertiv Corporation
- System on sensor electrical protective device30 Jul 2026US 2026/0221365 A1Schneider Electric USA, Inc.
- Solid-state circuit breaker23 Jul 2026US 2026/0213109 A1Schneider Electric Industries SAS
- Combined leakage protection device7 May 2026US 2026/0128247 A1
Most cited
By later US patents
- Reset lockout for circuit interrupting device193US 6,040,967 ALeviton Manufacturing Co., Inc. · 2000
- Method for power distribution system components identification, characterization and rating167US 6,909,942 B2General Electric Company · 2005
- Circuit interrupting device with reverse wiring protection161US 6,246,558 B1Leviton Manufacturing Co., Inc. · 2001
- Fail safe fault interrupter144US 6,262,871 B1X-L Synergy · 2001
- Trip indicators for circuit protection devices143US 5,847,913 ASquare D Company · 1998