H01H 2235/024
Formed by knee or dimple of leaf spring
Official title: formed by knee or dimple of leaf spring
H01H2235/024 (Formed by knee or dimple of leaf spring) appears on 9 US grants and 4 published applications in this corpus.
Search patents in H01H- Granted patents
- 9
- Published applications
- 4
- Assignees
- 11
- Inventors
- 17
- Latest grant
- 9 Apr 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Input device having an operation knob9 Apr 2019US 10,252,642 B2Alps Alpine Co., Ltd.
- Dome switch with integral actuator30 Mar 2010US 7,687,734 B2Apple Inc.
- Keyboard with full-travel, self-leveling keyswitches and return mechanism keyswitch6 Jun 1995US 5,422,447 AKey Tronic Corporation
- Keyboard with full-travel, self-leveling keyswitches25 Oct 1994US 5,358,344 AKey Tronic Corporation
- Electronic keyboard4 Apr 1989US 4,818,828 ASmith Corona Corporation
- Operating module for a motor vehicle24 Oct 2019US 2019/0323598 A1ZF Friedrichshafen AG
- Input device having an operation knob19 Apr 2018US 2018/0105068 A1Alps Electric Co., Ltd.
- Switch device8 Jan 2015US 2015/0008107 A1Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Dome switch with integral actuator24 Dec 2009US 2009/0314619 A1Apple Inc.
Most cited
By later US patents
- Keyboard with full-travel, self-leveling keyswitches and return mechanism keyswitch76US 5,422,447 AKey Tronic Corporation · 1995
- Electronic keyboard35US 4,467,150 ADigital Equipment Corporation · 1984
- Electronic keyboard31US 4,818,828 ASmith Corona Corporation · 1989
- Keyboard with full-travel, self-leveling keyswitches14US 5,358,344 AKey Tronic Corporation · 1994
- Dome switch with integral actuator12US 7,687,734 B2Apple Inc. · 2010