H01H 33/28
Power arrangements internal to the switch for operating the driving mechanism
H01H33/28 (Power arrangements internal to the switch for operating the driving mechanism) appears on 383 US grants and 319 published applications in this corpus.
Search patents in H01H- Granted patents
- 383
- Published applications
- 319
- Assignees
- 131
- Inventors
- 837
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 2 |
| 2002 | 2 | 4 |
| 2003 | 8 | 8 |
| 2004 | 6 | 2 |
| 2005 | 7 | 2 |
| 2006 | 2 | 4 |
| 2007 | 3 | 6 |
| 2008 | 2 | 8 |
| 2009 | 6 | 7 |
| 2010 | 6 | 8 |
| 2011 | 5 | 5 |
| 2012 | 6 | 21 |
| 2013 | 11 | 12 |
| 2014 | 14 | 22 |
| 2015 | 21 | 25 |
| 2016 | 17 | 15 |
| 2017 | 23 | 14 |
| 2018 | 8 | 12 |
| 2019 | 23 | 22 |
| 2020 | 19 | 30 |
| 2021 | 24 | 20 |
| 2022 | 22 | 17 |
| 2023 | 17 | 14 |
| 2024 | 14 | 20 |
| 2025 | 12 | 11 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Arrangement and method for automatically configuring a magnetic drive6 Oct 2026US 12,755,912 B2Siemens Aktiengesellschaft
- Switch arrangement and method for operating a switch arrangement25 Aug 2026US 12,718,999 B2Siemens Aktiengesellschaft
- Apparatus and method for fast vacuum switch link26 May 2026US 12,640,323 B1Smart Wires Inc.
- Monitoring system for a mechanically driven circuit breaker12 May 2026US 12,625,181 B2ABB Schweiz AG
- Switch system28 Apr 2026US 12,614,684 B2ABB Schweiz AG
- Vacuum circuit breaker6 Aug 2026US 2026/0229431 A1Hd Hyundai Electric Co., Ltd.
- Electrical contactor with recirculation of ionized gases9 Jul 2026US 2026/0196427 A1Safran Electrical & Power
- Dual actuation fast mechanical switch7 May 2026US 2026/0128244 A1Georgia Tech Research Corporation
- Reverse force mechanism30 Apr 2026US 2026/0117835 A1Meidensha Corporation
- Driving mechanism and operating device for an electrical switch2 Apr 2026US 2026/0094774 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Gas insulated high-voltage circuit breaker with pneumatic operating mechanism84US 5,187,339 AMerlin Gerin · 1993
- Modular, high-voltage, three phase recloser assembly54US 6,198,062 B1Joslyn Hi-Voltage Corporation · 2001
- Electric plant and method and use in connection with such plant31US 7,079,367 B1ABB Technology AG · 2006
- Motorized loadbreak switch control system and method24US 7,432,787 B2Cooper Technologies Company · 2008
- Bistable magnetic actuator for a medium voltage circuit breaker21US 8,692,636 B2ABB Technology AG · 2014