H01H 71/002
Details of the protective switches or relays covered by groups h01h73/00 -
Official title: {with provision for switching the neutral conductor}
H01H71/002 (Details of the protective switches or relays covered by groups h01h73/00 -) appears on 44 US grants and 23 published applications in this corpus.
Search patents in H01H- Granted patents
- 44
- Published applications
- 23
- Assignees
- 32
- Inventors
- 112
- Latest grant
- 11 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 3 | 2 |
| 2018 | 2 | 0 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multiphase ground fault circuit interrupter11 Apr 2023US 11,626,720 B1Neilsen-Kuljian, Inc.
- Safety apparatus having terminal shield with indication circuit, and circuit interruption apparatus28 Mar 2023US 11,615,933 B2Eaton Intelligent Power Limited
- Line side power, double break, switch neutral electronic circuit breaker20 Apr 2021US 10,984,974 B2Schneider Electric USA, Inc.
- System, apparatus, and method for grounding and providing an electrical safety circuit19 Jan 2021US 10,896,795 B2National Christmas Products LLC
- Circuit interrupter and system for testing the same24 Mar 2020US 10,598,731 B2Eaton Intelligent Power Limited
- Electrical protection device, distribution assembly and associated electrical panel23 Apr 2026US 2026/0112563 A1Schneider Electric Industries SAS
- Arc-fault circuit interrupter with fire extinguishing system8 Jan 2026US 2026/0011520 A1
- Circuit breaker and operating mechanism thereof4 Dec 2025US 2025/0372330 A1Chint Low Voltage Electrical Technology Co., Ltd.
- Electrical device and electrical system17 Jul 2025US 2025/0232930 A1Schneider Electric (China) Co., Ltd.
- Safety apparatus having terminal shield with indication circuit, and circuit interruption apparatus1 Jul 2021US 2021/0202201 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Operating mechanism for a four-pole circuit breaker102US 5,357,066 AMerlin Gerin · 1994
- Four-pole low voltage circuit breaker93US 4,383,146 AMerlin Gerin · 1983
- Automatic transfer switch91US 5,070,252 AAutomatic Switch Company · 1991
- Ground fault current protective device87US 4,937,706 AMerlin Gerin · 1990
- Ground fault circuit interrupter55US 4,630,015 ASlater Electric Inc. · 1986