H01H 73/36
Protective overload circuit-breaking switches in which excess current opens the contacts by
Official title: having electromagnetic release and no other automatic release (cartridge type H01H73/64)
H01H73/36 (Protective overload circuit-breaking switches in which excess current opens the contacts by) appears on 61 US grants and 45 published applications in this corpus.
Search patents in H01H- Granted patents
- 61
- Published applications
- 45
- Assignees
- 41
- Inventors
- 130
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 3 |
| 2008 | 2 | 2 |
| 2009 | 2 | 1 |
| 2010 | 1 | 2 |
| 2011 | 2 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 5 |
| 2014 | 4 | 2 |
| 2015 | 1 | 4 |
| 2016 | 6 | 5 |
| 2017 | 5 | 2 |
| 2018 | 3 | 3 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Switch, power conversion apparatus, and power supply system24 Jun 2025US 12,340,959 B2Huawei Digital Power Technologies Co., Ltd.
- Trip circuit current display31 Dec 2024US 12,181,524 B2Schweitzer Engineering Laboratories, Inc.
- Rotary maintenance type leakage protector21 Feb 2023US 11,587,754 B2Yuyao Jiarong Electrical Appliance Co., Ltd
- Trip free relay27 Sep 2022US 11,456,139 B2Rockwell Automation Technologies, Inc.
- Mechanical interlock assemblies for panelboards and related systems and methods20 Sep 2022US 11,450,490 B2Eaton Intelligent Power Limited
- Switching device30 Jul 2026US 2026/0221752 A1Ellenberger & Poensgen GmbH
- Switch, power conversion apparatus, and power supply system18 Sep 2025US 2025/0292976 A1Huawei Digital Power Technologies Co., Ltd.
- Trip circuit current display18 Jan 2024US 2024/0019495 A1Schweitzer Engineering Laboratories, Inc.
- Switch, power conversion apparatus, and power supply system20 Apr 2023US 2023/0121284 A1Huawei Digital Power Technologies Co., Ltd.
- Rotary Maintenance Type Leakage Protector13 Oct 2022US 2022/0328269 A1Yuyao Jiarong Electrical Appliance Co., Ltd
Most cited
By later US patents
- Resettable circuit breaker for use in ground fault circuit interrupters and the like129US 5,202,662 ALeviton Manufacturing Co., Inc. · 1993
- Resettable circuit breaker for use in ground fault circuit interrupters and the like62US 4,412,193 ALeviton Manufacturing Co., Inc. · 1983
- Fast acting disconnect system for protecting surge suppressors and connected utilization equipment from power line overvoltages52US 6,118,639 A2000
- Circuit interrupting device with end of life testing functions44US 7,411,766 B12008
- Circuit interrupter relay38US 4,086,549 ASlater Electric Inc. · 1978