H01H 83/04
With testing means for indicating the ability of the switch or relay
Official title: with testing means for indicating the ability of the switch or relay to function properly
H01H83/04 (With testing means for indicating the ability of the switch or relay) appears on 439 US grants and 374 published applications in this corpus.
Search patents in H01H- Granted patents
- 439
- Published applications
- 374
- Assignees
- 142
- Inventors
- 491
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 11 | 0 |
| 2000 | 1 | 0 |
| 2001 | 9 | 2 |
| 2002 | 6 | 12 |
| 2003 | 11 | 11 |
| 2004 | 12 | 25 |
| 2005 | 17 | 19 |
| 2006 | 20 | 23 |
| 2007 | 20 | 28 |
| 2008 | 23 | 14 |
| 2009 | 23 | 20 |
| 2010 | 13 | 21 |
| 2011 | 25 | 13 |
| 2012 | 19 | 16 |
| 2013 | 16 | 16 |
| 2014 | 14 | 6 |
| 2015 | 9 | 9 |
| 2016 | 5 | 10 |
| 2017 | 7 | 13 |
| 2018 | 9 | 18 |
| 2019 | 18 | 10 |
| 2020 | 16 | 10 |
| 2021 | 10 | 6 |
| 2022 | 9 | 15 |
| 2023 | 21 | 20 |
| 2024 | 15 | 12 |
| 2025 | 13 | 15 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Self-test auto monitor ground fault circuit interrupter (GFCI) with power denial6 Oct 2026US 12,754,232 B2Hubbell Incorporated
- Ground fault circuit interrupter device and related electrical connection devices and electrical appliances15 Sep 2026US 12,738,438 B2
- Electrical safety system with timer23 Jun 2026US 12,665,408 B2Belgravia Wood Limited
- Portable ground fault circuit interrupter and/or arc fault circuitry interrupter and method of operating the same3 Feb 2026US 12,542,251 B2Hubbell Incorporated
- Apparatus for generating a self-check leakage current27 Jan 2026US 12,535,540 B2Schneider Electric Industries SAS
- Electric testing systems8 Oct 2026US 2026/0309779 A1
- Leakage Protection Plug10 Sep 2026US 2026/0269544 A1Zhejiang Yuchuang Electronic Technology Co, Ltd.
- Leakage protection device and electrical device27 Aug 2026US 2026/0253828 A1Sensata Technologies Changzhou Co., Ltd.
- Combined leakage protection device7 May 2026US 2026/0128247 A1
- Ground fault detection circuit breaker7 May 2026US 2026/0128248 A1
Most cited
By later US patents
- Reset lockout for circuit interrupting device193US 6,040,967 ALeviton Manufacturing Co., Inc. · 2000
- Circuit interrupting device with reverse wiring protection161US 6,246,558 B1Leviton Manufacturing Co., Inc. · 2001
- Resettable circuit breaker for use in ground fault circuit interrupters and the like129US 5,202,662 ALeviton Manufacturing Co., Inc. · 1993
- Circuit breaker with independent trip and reset lockout128US 6,288,882 B1Leviton Manufacturing Co., Inc. · 2001
- Ground fault circuit interrupter126US 6,437,700 B1Leviton Manufacturing Co., Inc. · 2002