H01H 2209/01
Increasing rigidity
Official title: Increasing rigidity; Anti-creep
H01H2209/01 (Increasing rigidity) appears on 51 US grants and 45 published applications in this corpus.
Search patents in H01H- Granted patents
- 51
- Published applications
- 45
- Assignees
- 42
- Inventors
- 108
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 1 |
| 2005 | 1 | 4 |
| 2006 | 1 | 4 |
| 2007 | 4 | 2 |
| 2008 | 2 | 2 |
| 2009 | 2 | 5 |
| 2010 | 1 | 6 |
| 2011 | 3 | 3 |
| 2012 | 5 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 4 | 5 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Key assembly and keyboard6 May 2025US 12,293,884 B2Honor Device Co., Ltd.
- Keyswitch assembly18 Mar 2025US 12,255,030 B2LITE-ON Technology (Chang Zhou) Co., LTD.
- Keyboard and electronic device7 Jan 2025US 12,189,868 B2Honor Device Co., Ltd.
- Keyswitch support connection structure and keyswitch structure therewith29 Oct 2024US 12,131,874 B2Darfon Electronics Corp.
- Enhanced push-button10 Jan 2023US 11,551,886 B2Solid Year Co., Ltd.
- Key Assembly and Keyboard7 Nov 2024US 2024/0371583 A1Honor Device Co., Ltd.
- Keyboard and electronic device30 May 2024US 2024/0176426 A1Honor Device Co., Ltd.
- Push switch9 Dec 2021US 2021/0383987 A1Panasonic Intellectual Property Management Co., Ltd.
- Keyswitch support connection structure and keyswitch structure therewith30 Sep 2021US 2021/0304979 A1Darfon Electronics Corp.
- Keyswitch support connection structure and keyswitch structure therewith30 Sep 2021US 2021/0304981 A1Darfon Electronics Corp.
Most cited
By later US patents
- Touch switch and contactor therefor121US 4,243,861 ACornelius, Inc. · 1981
- Membrane switch and components having means for preventing creep116US 4,559,426 AOak Industries Inc. · 1985
- Keyboard dome stiffener assembly105US 8,253,052 B2Research In Motion Limited · 2012
- Keyboard switch assembly having foldable printed circuit board, integral spacer and preformed depression-type alignment fold102US 4,066,851 AChomerics, Inc. · 1978
- Light conducting, elastomeric membrane keypad63US 4,636,593 AMotorola, Inc. · 1987