H01H 33/42
Driving mechanisms
H01H33/42 (Driving mechanisms) appears on 251 US grants and 254 published applications in this corpus.
Search patents in H01H- Granted patents
- 251
- Published applications
- 254
- Assignees
- 90
- Inventors
- 645
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 5 | 4 |
| 2003 | 3 | 1 |
| 2004 | 5 | 5 |
| 2005 | 0 | 3 |
| 2006 | 3 | 2 |
| 2007 | 2 | 2 |
| 2008 | 2 | 3 |
| 2009 | 6 | 9 |
| 2010 | 3 | 4 |
| 2011 | 3 | 5 |
| 2012 | 3 | 12 |
| 2013 | 7 | 14 |
| 2014 | 8 | 17 |
| 2015 | 21 | 14 |
| 2016 | 17 | 10 |
| 2017 | 15 | 15 |
| 2018 | 10 | 12 |
| 2019 | 10 | 13 |
| 2020 | 17 | 18 |
| 2021 | 18 | 24 |
| 2022 | 20 | 15 |
| 2023 | 15 | 15 |
| 2024 | 11 | 17 |
| 2025 | 9 | 9 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drive system for a resettable interrupting switch1 Sep 2026US 12,725,745 B2Eaton Intelligent Power Limited
- Apparatuses and methods for improved switchgear sensor data communication7 Jul 2026US 12,676,271 B2Hubbell Incorporated
- High voltage DC contactor isolation via electromechanical actuation10 Mar 2026US 12,573,570 B2Hamilton Sundstrand Corporation
- Arc chute and load switch comprising same17 Feb 2026US 12,555,727 B2Ls Electric Co., Ltd.
- Arc chute and load break switch including same17 Feb 2026US 12,555,728 B2Ls Electric Co., Ltd.
- Apparatuses and methods for improved switchgear sensor data communication1 Oct 2026US 2026/0302107 A1Hubbell Incorporated
- Insulation rod and switch23 Jul 2026US 2026/0213086 A1Mitsubishi Electric Corporation
- Contactor device, high voltage power supply system and method for controlling a contactor device23 Jul 2026US 2026/0213098 A1
- Fast closing of a remotely operated circuit breaker18 Jun 2026US 2026/0171330 A1Schneider Electric USA, Inc.
- Hybrid circuit breaker and methods for opening and closing such a circuit breaker4 Jun 2026US 2026/0155323 A1Schneider Electric Industries SAS
Most cited
By later US patents
- Isolating circuit breaker and circuit protection arrangement34US 6,687,110 B2Nu-Lec Industries Pty Limited · 2004
- Laser-triggered chemical actuator for high voltage isolation20US 4,343,242 AGould Inc. · 1982
- Optical waveguide arrangement for a high-voltage insulator19US 4,802,731 ABBC Brown, Boveri & Company, Limited · 1989
- Spring-force drive for a power switch17US 4,996,397 ASprecher Energie AG · 1991
- Poletop switch automation system16US 5,534,858 ASystem Analysis & Integration, Inc. · 1996