H01H 9/285
Locking mechanisms incorporated in the switch assembly and operable by a key
Official title: {Locking mechanisms incorporated in the switch assembly and operable by a key or a special tool}
H01H9/285 (Locking mechanisms incorporated in the switch assembly and operable by a key) appears on 47 US grants and 40 published applications in this corpus.
Search patents in H01H- Granted patents
- 47
- Published applications
- 40
- Assignees
- 34
- Inventors
- 120
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 5 |
| 2014 | 1 | 2 |
| 2015 | 5 | 5 |
| 2016 | 2 | 1 |
| 2017 | 3 | 4 |
| 2018 | 3 | 3 |
| 2019 | 5 | 3 |
| 2020 | 2 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 3 | 4 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Module for generating opening signals2 Jun 2026US 12,646,669 B2Illinois Tool Works Inc.
- Energy reducing key for electronic trip units3 Jun 2025US 12,322,565 B2Schneider Electric USA, Inc.
- Safety switch4 Mar 2025US 12,243,705 B2Keyence Corporation
- Energy reducing key for electronic trip units2 Jul 2024US 12,027,339 B2Schneider Electric USA, Inc.
- Safety switch20 Feb 2024US 11,908,654 B2Keyence Corporation
- Loto for msd switch, power battery and work machinery23 Apr 2026US 2026/0112552 A1Caterpillar Inc.
- Dual power transfer switch10 Oct 2024US 2024/0339815 A1ABB Schweiz AG
- Energy reducing key for electronic trip units26 Sep 2024US 2024/0321529 A1Schneider Electric USA, Inc.
- Safety Switch2 May 2024US 2024/0145187 A1Keyence Corporation
- Module for Generating Opening Signals28 Dec 2023US 2023/0420200 A1Illinois Tool Works Inc.
Most cited
By later US patents
- Combined lock and linear actuator48US 5,799,520 AThe Eastern Company · 1998
- Isolator switch assembly23US 9,218,924 B2Robert Bosch GmbH · 2015
- Switch for operating an electric device, in particular a radio remote control device19US 5,444,199 ANBB Nachrichtentechnik GmbH & Co. KG · 1995
- Locking device for molded case circuit breakers18US 6,388,213 B1General Electric Company · 2002
- Key lock rotary selector switch13US 4,227,056 AWestinghouse Electric Corp. · 1980