H01H 33/666
Operating arrangements
H01H33/666 (Operating arrangements) appears on 901 US grants and 793 published applications in this corpus.
Search patents in H01H- Granted patents
- 901
- Published applications
- 793
- Assignees
- 217
- Inventors
- 1,520
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 7 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 12 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 10 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 13 | 8 |
| 2002 | 20 | 16 |
| 2003 | 14 | 12 |
| 2004 | 18 | 26 |
| 2005 | 20 | 17 |
| 2006 | 9 | 20 |
| 2007 | 18 | 22 |
| 2008 | 6 | 21 |
| 2009 | 19 | 26 |
| 2010 | 21 | 29 |
| 2011 | 20 | 21 |
| 2012 | 21 | 31 |
| 2013 | 24 | 39 |
| 2014 | 33 | 26 |
| 2015 | 45 | 46 |
| 2016 | 41 | 33 |
| 2017 | 36 | 35 |
| 2018 | 23 | 21 |
| 2019 | 30 | 26 |
| 2020 | 40 | 47 |
| 2021 | 40 | 38 |
| 2022 | 39 | 70 |
| 2023 | 56 | 61 |
| 2024 | 58 | 47 |
| 2025 | 46 | 30 |
| 2026 | 18 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 33/6661Combination with other type of switch203
- H01H 33/6662Using bistable electromagnetic actuators188
- H01H 2033/6667Details concerning lever type driving rod arrangementsIndexing code123
- H01H 2033/6665Details concerning the mounting or supporting of the individual vacuum bottlesIndexing code104
- H01H 2033/6668With a plurality of interruptible circuit paths in single vacuum chamberIndexing code44
- H01H 33/6664With pivoting movable contact structure43
Recent patents
- Arrangement and method for automatically configuring a magnetic drive6 Oct 2026US 12,755,912 B2Siemens Aktiengesellschaft
- Vacuum circuit breaker25 Aug 2026US 12,718,997 B2Mitsubishi Electric Corporation
- Switch arrangement and method for operating a switch arrangement25 Aug 2026US 12,718,999 B2Siemens Aktiengesellschaft
- Capacitor harvester14 Jul 2026US 12,683,104 B2Hubbell Incorporated
- Apparatuses and methods for improved switchgear sensor data communication7 Jul 2026US 12,676,271 B2Hubbell Incorporated
- Switch pole for electrical systems8 Oct 2026US 2026/0311938 A1
- Apparatuses and methods for improved switchgear sensor data communication1 Oct 2026US 2026/0302107 A1Hubbell Incorporated
- Capacitor harvester24 Sep 2026US 2026/0290728 A1
- Capacitor harvester17 Sep 2026US 2026/0279705 A1
- Vacuum interrupter27 Aug 2026US 2026/0253822 A1Hyosung Heavy Industries Corporation
Most cited
By later US patents
- Arcing fault protection system for a switchgear enclosure127US 6,141,192 ASquare D Company · 2000
- High voltage vacuum type circuit interrupter121US 4,568,804 AJoslyn Mfg. and Supply Co. · 1986
- Molded pole automatic circuit recloser with bistable electromagnetic actuator116US 5,912,604 AABB Power T&D Company Inc. · 1999
- Encapsulated high voltage vacuum switches108US 5,808,258 AAmerace Corporation · 1998
- Hybrid medium voltage circuit breaker98US 5,155,315 AMerlin Gerin · 1992