H01H 3/04
Levers
Official title: Levers (tumblers H01H23/14)
H01H3/04 (Levers) appears on 124 US grants and 102 published applications in this corpus.
Search patents in H01H- Granted patents
- 124
- Published applications
- 102
- Assignees
- 103
- Inventors
- 285
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 2 | 2 |
| 2008 | 3 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 2 | 3 |
| 2012 | 3 | 2 |
| 2013 | 1 | 5 |
| 2014 | 5 | 12 |
| 2015 | 8 | 12 |
| 2016 | 6 | 3 |
| 2017 | 12 | 6 |
| 2018 | 8 | 8 |
| 2019 | 5 | 7 |
| 2020 | 7 | 15 |
| 2021 | 12 | 5 |
| 2022 | 6 | 3 |
| 2023 | 4 | 1 |
| 2024 | 0 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stack key structure and balance-shaft seat thereof24 Mar 2026US 12,586,740 B2Voyetra Turtle Beach, Inc.
- Switching assembly with mechanical advantage device26 Aug 2025US 12,400,807 B2Eaton Intelligent Power Limited
- Switch actuator adapter5 Dec 2023US 11,837,421 B2General Equipment and Manufacturing Company, Inc.
- Circuit breakers with handle bearing pins8 Aug 2023US 11,721,497 B2Eaton Intelligent Power Limited
- Dual load dimmer switch with vertical slider controls for fan speed and lighting intensity30 May 2023US 11,664,178 B2Enerlites Inc.
- Circuit breaker device and method27 Aug 2026US 2026/0254224 A1Siemens Aktiengesellschaft
- Fast closing of a remotely operated circuit breaker18 Jun 2026US 2026/0171330 A1Schneider Electric USA, Inc.
- Operating mechanism for electric switch assembly, and electric switch assembly comprising the same28 May 2026US 2026/0148906 A1
- Switching apparatus for electrical systems30 Oct 2025US 2025/0336621 A1
- Switch17 Oct 2024US 2024/0347285 A1Mitsubishi Heavy Industries Thermal Systems, Ltd.
Most cited
By later US patents
- Self-locating, prepositioning actuator for an electrical switch enclosure34US 5,286,935 AAppleton Electric Company · 1994
- Lever operator switch actuator19US 4,291,213 ADeere & Company · 1981
- Operating mechanism for throwing toggle switches19US 5,111,009 ACooper Industries, Inc. · 1992
- Retractable breaker switch toggle handle17US 4,115,669 A1978
- Modular switch interior assembly and method of assembling same17US 5,609,245 ASquare D Company · 1997