H01H 3/227
Interlocked hand- and power-operating mechanisms
Official title: {Interlocked hand- and power-operating mechanisms}
H01H3/227 (Interlocked hand- and power-operating mechanisms) appears on 61 US grants and 41 published applications in this corpus.
Search patents in H01H- Granted patents
- 61
- Published applications
- 41
- Assignees
- 38
- Inventors
- 152
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 1 |
| 2004 | 2 | 2 |
| 2005 | 2 | 3 |
| 2006 | 2 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 4 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 3 | 3 |
| 2013 | 2 | 4 |
| 2014 | 4 | 3 |
| 2015 | 0 | 0 |
| 2016 | 3 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for operating an electric switching device28 Oct 2025US 12,456,589 B2Hitachi Energy Ltd
- Apparatus and method for drill motor racking of switchgear24 Jun 2025US 12,341,323 B2CBS ArcSafe, Inc.
- Self-powered recloser27 Aug 2024US 12,074,004 B2ABB Schweiz AG
- Remote power button actuation device for a pre-assembled computer system integrated into a server for a virtualization service8 Feb 2022US 11,243,589 B1Amazon Technologies, Inc.
- Switching apparatus and associated switch2 Nov 2021US 11,164,705 B2ABB Schweiz AG
- Rapid-click switch4 Jun 2026US 2026/0155320 A1Shenzhen Drunken Deer Technology Co., Ltd.
- Arc elimination device1 Aug 2024US 2024/0258045 A1Ls Electric Co., Ltd.
- Self-Powered Recloser12 Oct 2023US 2023/0326700 A1ABB Schweiz AG
- Apparatus for operating an electric switching device29 Jun 2023US 2023/0207229 A1Hitachi Energy Switzerland AG
- Apparatus and method for drill motor racking of switchgear28 Jul 2022US 2022/0239075 A1CBS ArcSafe, Inc.
Most cited
By later US patents
- Electrically operating apparatus for circuit breaker37US 6,489,577 B2Mitsubishi Denki Kabushiki Kaisha · 2002
- Switch operating mechanisms for high voltage switches36US 4,107,486 AS&C Electric Company · 1978
- Manual and motor operated circuit breaker28US 4,245,140 AGeneral Electric Company · 1981
- Circuit interrupter having improved operating mechanism25US 5,224,590 AWestinghouse Electric Corp. · 1993
- Electrical circuit interrupting device23US 6,753,493 B2Hubbell Incorporated · 2004