H01H 73/00
Protective overload circuit-breaking switches in which excess current opens the contacts by
Official title: Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
H01H73/00 (Protective overload circuit-breaking switches in which excess current opens the contacts by) appears on 878 US grants and 569 published applications in this corpus.
Search patents in H01H- Granted patents
- 878
- Published applications
- 569
- Assignees
- 226
- Inventors
- 1,454
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 14 | 0 |
| 1978 | 12 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 13 | 0 |
| 1983 | 13 | 0 |
| 1984 | 12 | 0 |
| 1985 | 10 | 0 |
| 1986 | 13 | 0 |
| 1987 | 15 | 0 |
| 1988 | 8 | 0 |
| 1989 | 16 | 0 |
| 1990 | 18 | 0 |
| 1991 | 17 | 0 |
| 1992 | 15 | 0 |
| 1993 | 17 | 0 |
| 1994 | 24 | 0 |
| 1995 | 3 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 14 | 0 |
| 1999 | 12 | 0 |
| 2000 | 22 | 0 |
| 2001 | 24 | 6 |
| 2002 | 34 | 21 |
| 2003 | 24 | 19 |
| 2004 | 26 | 12 |
| 2005 | 15 | 21 |
| 2006 | 25 | 27 |
| 2007 | 26 | 27 |
| 2008 | 13 | 12 |
| 2009 | 9 | 19 |
| 2010 | 15 | 19 |
| 2011 | 14 | 14 |
| 2012 | 16 | 16 |
| 2013 | 9 | 22 |
| 2014 | 18 | 17 |
| 2015 | 19 | 39 |
| 2016 | 33 | 30 |
| 2017 | 33 | 23 |
| 2018 | 36 | 34 |
| 2019 | 40 | 19 |
| 2020 | 19 | 24 |
| 2021 | 17 | 15 |
| 2022 | 23 | 20 |
| 2023 | 16 | 39 |
| 2024 | 25 | 24 |
| 2025 | 19 | 31 |
| 2026 | 22 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 73/02Details593
- H01H 73/22Protective overload circuit-breaking switches in which excess current opens the contacts by233
- H01H 73/36Protective overload circuit-breaking switches in which excess current opens the contacts by61
- H01H 73/48Protective overload circuit-breaking switches in which excess current opens the contacts by35
- H01H 73/60Cartridge type6
Recent patents
- Arc extinguishing unit and air circuit breaker comprising same25 Aug 2026US 12,718,996 B2Ls Electric Co., Ltd.
- Switching device and method for operating a switching device11 Aug 2026US 12,706,255 B2Eaton Intelligent Power Limited
- Deflection member, breaking module, and contactor4 Aug 2026US 12,700,558 B2Schneider Electric Industries SAS
- Electric working machine with electric battery power21 Jul 2026US 12,689,223 B2Honda Motor Co., Ltd.
- Air-blowing tripping mechanism and molded case circuit breaker14 Jul 2026US 12,683,108 B2Zhejiang Chint Electrics Co., Ltd.
- Switch10 Sep 2026US 2026/0269149 A1Mitsubishi Electric Corporation
- Robust Reset Switch for Circuit Interrupters10 Sep 2026US 2026/0269163 A1
- Circuit breaker, power converter, energy storage system, and electric vehicle6 Aug 2026US 2026/0229429 A1Huawei Digital Power Technologies Co., Ltd.
- Switching device30 Jul 2026US 2026/0221367 A1Ellenberger & Poensgen GmbH
- Switching device30 Jul 2026US 2026/0221752 A1Ellenberger & Poensgen GmbH
Most cited
By later US patents
- Trip indicators for circuit protection devices143US 5,847,913 ASquare D Company · 1998
- Single or multipole circuit breaker136US 5,451,729 AEllenberger & Poensgen GmbH · 1995
- Resettable circuit breaker for use in ground fault circuit interrupters and the like129US 5,202,662 ALeviton Manufacturing Co., Inc. · 1993
- Ground fault circuit interrupter126US 6,437,700 B1Leviton Manufacturing Co., Inc. · 2002
- Molded case circuit breaker with removable arc chutes and disengageable transmission system between the operating mechanism and the poles116US 4,764,650 AMerlin Gerin · 1988