H01H 33/6661
Combination with other type of switch
Official title: {Combination with other type of switch, e.g. for load break switches (H01H33/143, H01H33/6662 take precedence)}
H01H33/6661 (Combination with other type of switch) appears on 203 US grants and 188 published applications in this corpus.
Search patents in H01H- Granted patents
- 203
- Published applications
- 188
- Assignees
- 102
- Inventors
- 481
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 3 |
| 2002 | 5 | 6 |
| 2003 | 4 | 3 |
| 2004 | 3 | 5 |
| 2005 | 7 | 9 |
| 2006 | 1 | 4 |
| 2007 | 6 | 6 |
| 2008 | 3 | 10 |
| 2009 | 3 | 7 |
| 2010 | 10 | 7 |
| 2011 | 5 | 7 |
| 2012 | 6 | 5 |
| 2013 | 6 | 10 |
| 2014 | 5 | 7 |
| 2015 | 11 | 13 |
| 2016 | 12 | 6 |
| 2017 | 9 | 9 |
| 2018 | 5 | 2 |
| 2019 | 3 | 3 |
| 2020 | 5 | 9 |
| 2021 | 7 | 8 |
| 2022 | 5 | 16 |
| 2023 | 11 | 12 |
| 2024 | 11 | 10 |
| 2025 | 15 | 7 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vacuum circuit breaker25 Aug 2026US 12,718,997 B2Mitsubishi Electric Corporation
- Switching system of an electrical device16 Jun 2026US 12,658,387 B2Schneider Electric Industries SAS
- Automatic drop-out and reset of a vacuum interrupter device in a cutout mounting21 Apr 2026US 12,609,257 B2S&C Electric Company
- Mounting assembly and switching system with universal mounting system4 Nov 2025US 12,462,998 B2Eaton Intelligent Power Limited
- Medium voltage switching apparatus14 Oct 2025US 12,444,559 B2ABB AB
- Circuit breaker device28 May 2026US 2026/0148916 A1Kabushiki Kaisha Toshiba
- Manual operation assembly14 May 2026US 2026/0135048 A1
- Switching device12 Feb 2026US 2026/0045431 A1Siemens Energy Global GmbH & Co. KG
- Switching device for an electrical apparatus22 Jan 2026US 2026/0024713 A1Schneider Electric Industries SAS
- Medium voltage switching apparatus4 Dec 2025US 2025/0372324 A1ABB Schweiz AG
Most cited
By later US patents
- Hybrid medium voltage circuit breaker98US 5,155,315 AMerlin Gerin · 1992
- Electrical circuit breaker with two vacuum cartridges in series98US 5,347,096 AMerlin Gerin · 1994
- Isolating circuit breaker and circuit protection arrangement34US 6,687,110 B2Nu-Lec Industries Pty Limited · 2004
- Hybrid-type interrupting apparatus32US 4,434,332 ATokyo Shibaura Denki Kabushiki Kaisha · 1984
- Switchgear module and configurations, and method of fabrication and assembly thereof32US 5,521,567 AS&C Electric Company · 1996