H01H 2221/058
To avoid tilting or skewing of contact area or actuator
Official title: to avoid tilting or skewing of contact area or actuator
H01H2221/058 (To avoid tilting or skewing of contact area or actuator) appears on 209 US grants and 213 published applications in this corpus.
Search patents in H01H- Granted patents
- 209
- Published applications
- 213
- Assignees
- 127
- Inventors
- 411
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 4 |
| 2005 | 1 | 4 |
| 2006 | 4 | 2 |
| 2007 | 3 | 5 |
| 2008 | 3 | 4 |
| 2009 | 3 | 6 |
| 2010 | 2 | 7 |
| 2011 | 3 | 4 |
| 2012 | 5 | 11 |
| 2013 | 5 | 6 |
| 2014 | 7 | 13 |
| 2015 | 10 | 15 |
| 2016 | 13 | 13 |
| 2017 | 15 | 15 |
| 2018 | 17 | 14 |
| 2019 | 17 | 15 |
| 2020 | 15 | 22 |
| 2021 | 15 | 8 |
| 2022 | 14 | 9 |
| 2023 | 11 | 12 |
| 2024 | 13 | 10 |
| 2025 | 7 | 10 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Button device and electronic device2 Jun 2026US 12,645,244 B2Casio Computer Co., Ltd.
- Keyboard device16 Dec 2025US 12,500,050 B2Chicony Electronics Co., Ltd.
- Electronic device4 Nov 2025US 12,462,992 B2Sony Interactive Entertainment Inc.
- Keyswitch structure6 Aug 2026US 2026/0229423 A1Darfon Electronics Corp.
- Key structure16 Jul 2026US 2026/0204496 A1LITE-ON Technology (Chang Zhou) Co., LTD.
- Push-button assembly28 May 2026US 2026/0148909 A1
- Stabilizer module for a keyboard key structure26 Mar 2026US 2026/0088233 A1Logitech Europe S. A.
- Actuators for parallel, linear movement with short or long travel13 Nov 2025US 2025/0349476 A1Methode Electronics Malta 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
- Full travel, sealed, fully backlighted keyboard64US 5,612,692 AHewlett-Packard Company · 1997
- Depression responsive switch unit53US 7,019,225 B2Japan Aviation Electronics Industry, Limited · 2006
- Keys with double-diving-board spring mechanisms51US 8,212,162 B2Apple Inc. · 2012
- Keyboard switch assembly49US 4,315,114 AInternational Telephone and Telegraph Corporation · 1982