H01H 9/22
For interlocking between casing, cover, or protective shutter and mechanism for operating
Official title: for interlocking between casing, cover, or protective shutter and mechanism for operating contacts {(explosion-proof cases H01H9/045; built-in fuses and interlocking mechanisms H01H9/104; by automatic release of circuit breakers H01H71/126)}
H01H9/22 (For interlocking between casing, cover, or protective shutter and mechanism for operating) appears on 410 US grants and 302 published applications in this corpus.
Search patents in H01H- Granted patents
- 410
- Published applications
- 302
- Assignees
- 229
- Inventors
- 830
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 12 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 5 | 5 |
| 2004 | 4 | 3 |
| 2005 | 6 | 8 |
| 2006 | 11 | 8 |
| 2007 | 3 | 6 |
| 2008 | 7 | 11 |
| 2009 | 6 | 9 |
| 2010 | 6 | 5 |
| 2011 | 6 | 10 |
| 2012 | 7 | 7 |
| 2013 | 13 | 19 |
| 2014 | 10 | 12 |
| 2015 | 18 | 24 |
| 2016 | 19 | 21 |
| 2017 | 22 | 24 |
| 2018 | 28 | 24 |
| 2019 | 32 | 23 |
| 2020 | 17 | 20 |
| 2021 | 17 | 12 |
| 2022 | 9 | 15 |
| 2023 | 16 | 14 |
| 2024 | 14 | 4 |
| 2025 | 8 | 9 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic device and security device11 Aug 2026US 12,707,574 B2Qisda Corporation
- Long-stroke trigger switch with instantaneous structure19 May 2026US 12,633,473 B2Zhejiang Jiaben Electronics Co., Ltd.
- Interlocking mechanism for a switching device21 Oct 2025US 12,451,301 B2Eaton Intelligent Power Limited
- Sofa and sofa switch21 Oct 2025US 12,451,306 B2Man Wah Intelligent Technology (Hui Zhou) Co., Ltd.
- Electrical system and electrical apparatus for bus plugs with rotary handle7 Oct 2025US 12,438,345 B2ABB Schweiz AG
- Battery pack and pack case, and vehicle including the same17 Sep 2026US 2026/0279697 A1LG Energy Solution, Ltd.
- Circuit breaker operation safety lockout device10 Sep 2026US 2026/0269148 A1
- Machining gas switch lead wire drilling tool for indirect live-wire and method of operating the same25 Jun 2026US 2026/0176925 A1Korea Electric Power Corporation
- Fuse box for high-voltage battery25 Jun 2026US 2026/0179870 A1Hyundai Mobis Co., Ltd.
- Operating mechanism for electric switch assembly, and electric switch assembly comprising the same28 May 2026US 2026/0148906 A1
Most cited
By later US patents
- Rotary control device of a circuit breaker145US 5,493,083 AMerlin Gerin · 1996
- Oscillatory abrasive cable power saw74US 5,239,978 AThe United States of America as represented by the Secretary of the Navy · 1993
- Lid switch in portable computers and the power management system using the same54US 6,243,819 B1Samsung Electronics Co., Ltd. · 2001
- Door mounted circuit breaker operating apparatus53US 4,612,424 ASquare D Company · 1986
- Circuit breaker handle operator apparatus and system53US 5,902,973 ASiemens Energy & Automation, Inc. · 1999