H01H 9/24
For interlocking two or more parts of the mechanism for operating contacts
Official title: for interlocking two or more parts of the mechanism for operating contacts
H01H9/24 (For interlocking two or more parts of the mechanism for operating contacts) appears on 83 US grants and 84 published applications in this corpus.
Search patents in H01H- Granted patents
- 83
- Published applications
- 84
- Assignees
- 43
- Inventors
- 194
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 4 |
| 2014 | 2 | 5 |
| 2015 | 4 | 7 |
| 2016 | 8 | 6 |
| 2017 | 8 | 6 |
| 2018 | 3 | 4 |
| 2019 | 5 | 6 |
| 2020 | 5 | 8 |
| 2021 | 12 | 5 |
| 2022 | 3 | 6 |
| 2023 | 7 | 8 |
| 2024 | 3 | 4 |
| 2025 | 7 | 7 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Trigger activated tools having activation lockouts2 Jun 2026US 12,646,662 B2Hubbell Incorporated
- Power tool28 Apr 2026US 12,611,758 B2Milwaukee Electric Tool Corporation
- Electromechanical rotary latch for use in current interruption devices17 Feb 2026US 12,555,732 B2Sensata Technologies, Inc.
- Electrical switching apparatus and trip assembly therefor30 Dec 2025US 12,512,288 B2Eaton Intelligent Power Limited
- Circuit breaker16 Dec 2025US 12,500,055 B2Ls Electric Co., Ltd.
- Operating mechanism for electric switch assembly, and electric switch assembly comprising the same28 May 2026US 2026/0148906 A1
- Dual actuation fast mechanical switch7 May 2026US 2026/0128244 A1Georgia Tech Research Corporation
- Automatic opening mechanism7 Aug 2025US 2025/0253113 A1Chint Low Voltage Electrical Technology Co., Ltd.
- Interrupter with inverted configuration and self-unlatching mechanism31 Jul 2025US 2025/0246383 A1S&C Electric Company
- Operating mechanism and isolating switch19 Jun 2025US 2025/0201495 A1Chint Low Voltage Electrical Technology Co., Ltd.
Most cited
By later US patents
- Locking knob54US 9,384,920 B12016
- Locking device for washing machine door30US 4,032,180 ATexas Instruments Incorporated · 1977
- Interlock for electrical switching apparatus with stored energy closing25US 5,929,405 AEaton Corporation · 1999
- Cradle assist devices and related kits and methods17US 9,607,784 B2Eaton Corporation · 2017
- Device for controlling the closing of a power circuit breaker14US 6,788,172 B1Siemens Aktiengesellschaft · 2004