H01H 3/40
Using friction, toothed, or screw-and-nut gearing
Official title: using friction, toothed, or screw-and-nut gearing
H01H3/40 (Using friction, toothed, or screw-and-nut gearing) appears on 196 US grants and 165 published applications in this corpus.
Search patents in H01H- Granted patents
- 196
- Published applications
- 165
- Assignees
- 153
- Inventors
- 509
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 4 |
| 2003 | 7 | 6 |
| 2004 | 4 | 3 |
| 2005 | 2 | 3 |
| 2006 | 1 | 4 |
| 2007 | 3 | 3 |
| 2008 | 3 | 3 |
| 2009 | 2 | 2 |
| 2010 | 1 | 5 |
| 2011 | 1 | 5 |
| 2012 | 5 | 1 |
| 2013 | 4 | 10 |
| 2014 | 4 | 7 |
| 2015 | 10 | 14 |
| 2016 | 7 | 6 |
| 2017 | 8 | 7 |
| 2018 | 8 | 8 |
| 2019 | 9 | 14 |
| 2020 | 9 | 9 |
| 2021 | 11 | 4 |
| 2022 | 8 | 15 |
| 2023 | 9 | 9 |
| 2024 | 6 | 7 |
| 2025 | 9 | 10 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Switch8 Sep 2026US 12,731,738 B2Mitsubishi Electric Corporation
- Lamp with rotatable knob operated sliding switch24 Mar 2026US 12,584,620 B2Foshan Electrical and Lighting Co., Ltd
- Motor assembly and circuit breaker comprising same3 Mar 2026US 12,567,545 B2Ls Electric Co., Ltd.
- Hermetically sealed manual disconnect with integrated bellows actuator10 Feb 2026US 12,548,717 B2Rincon Power, LLC
- Contactor and general switching device comprised thereof9 Dec 2025US 12,494,332 B2
- Switching Device and Energy Storage System10 Sep 2026US 2026/0269156 A1
- Operating mechanism for a switching device25 Jun 2026US 2026/0177135 A1Hitachi Energy Ltd
- Hermetically sealed manual disconnect with integrated bellows actuator21 May 2026US 2026/0142095 A1Rincon Power, LLC
- Actuator apparatus for electrical panel switch5 Feb 2026US 2026/0038759 A1Faraday Defense Corporation
- Switch actuator25 Dec 2025US 2025/0391616 A1Cummins Power Generation Inc.
Most cited
By later US patents
- Remote control circuit breaker58US 5,180,051 ASquare D Company · 1993
- Side mount garage door operator41US 5,222,327 A1993
- Transfer switch with improved actuator39US 6,765,157 B2Onan Corporation · 2004
- Switching device35US 6,576,851 B1Bartec Componenten und Systeme GmbH · 2003
- Manual override mechanism for a remote controlled circuit breaker29US 5,532,660 ASquare D Company · 1996