H01H 2235/026
Forming part of return spring
Official title: forming part of return spring
H01H2235/026 (Forming part of return spring) appears on 15 US grants and 5 published applications in this corpus.
Search patents in H01H- Granted patents
- 15
- Published applications
- 5
- Assignees
- 13
- Inventors
- 24
- Latest grant
- 28 Mar 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Switch assembly and method of operating same28 Mar 2017US 9,607,789 B1Delta Systems, Inc.
- Keyboard for an electronic device22 Nov 2016US 9,501,105 B2Intel Corporation
- Dome switch with integral actuator30 Mar 2010US 7,687,734 B2Apple Inc.
- Actuator for an electric push-button switch, particularly in vehicles4 Aug 2009US 7,569,786 B2Huf Hülsbeck & Fürst GmbH & Co. KG
- Switch device having self-cleaning function18 Jan 2005US 6,844,509 B2Alps Electric Co., Ltd.
- Switch device29 Jan 2026US 2026/0031289 A1
- Keyboard for an electronic device2 Apr 2015US 2015/0092330 A1Intel Corporation
- Dome switch with integral actuator24 Dec 2009US 2009/0314619 A1Apple Inc.
- Actuator for an electric push-button switch, particularly in vehicles19 Jul 2007US 2007/0164611 A1Huf Hülsbeck & Fürst GmbH & Co. KG
- Switch device having self-cleaning function5 Aug 2004US 2004/0149561 A1Alps Electric Co., Ltd.
Most cited
By later US patents
- Keyboard with full-travel, self-leveling keyswitches and return mechanism keyswitch76US 5,422,447 AKey Tronic Corporation · 1995
- Push button switch75US 4,755,645 AOki Electric Industry Co., Ltd. · 1988
- Coil spring for key switch23US 4,733,036 AOmron Tateisi Electronics Co. · 1988
- Keyboard switch15US 4,678,880 AOmron Tateisi Electronics Co. · 1987
- Key unit of a keyboard15US 5,456,541 A1995