H01H 2217/028
On planes with different or alterable inclination
Official title: on planes with different or alterable inclination, e.g. convex plane
H01H2217/028 (On planes with different or alterable inclination) appears on 125 US grants and 36 published applications in this corpus.
Search patents in H01H- Granted patents
- 125
- Published applications
- 36
- Assignees
- 62
- Inventors
- 180
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 14 | 0 |
| 1997 | 9 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 5 |
| 2002 | 6 | 5 |
| 2003 | 4 | 5 |
| 2004 | 0 | 2 |
| 2005 | 3 | 3 |
| 2006 | 1 | 1 |
| 2007 | 2 | 3 |
| 2008 | 3 | 0 |
| 2009 | 3 | 3 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 2 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Modified tactile input attachment and device2 Jun 2026US 12,646,667 B2Tippy Type LLC
- Separated keyboard and method for changing keyboard layout for each communication connection31 Dec 2024US 12,182,341 B2
- Keyboard14 Jul 2020US 10,716,204 B2Chicony Electronics Co., Ltd.
- Keyboard12 May 2020US 10,650,986 B2Chicony Electronics Co., Ltd.
- Operating device15 Jan 2019US 10,181,386 B2Denso Corporation
- Modified tactile input attachment and device21 Aug 2025US 2025/0266221 A1Tippy Type LLC
- Ergonomic Thumb-Actuable Keyboard24 Apr 2025US 2025/0130650 A1Innaworks Development Limited
- Separated keyboard and method for changing keyboard layout for each communication connection11 Jan 2024US 2024/0012490 A1
- Keyboard9 Apr 2020US 2020/0111626 A1Chicony Electronics Co., Ltd.
- Keyboard9 Apr 2020US 2020/0113040 A1Chicony Electronics Co., Ltd.
Most cited
By later US patents
- Switch apparatus331US 4,246,452 AMattel, Inc. · 1981
- Ergonomic keyboard input device283US 5,178,477 A1993
- Ergonomic keyboard apparatus269US 5,689,253 AKinesis Corporation · 1997
- Ergonomic keyboard apparatus with left and right key section separated by an irregularly shaped space209US 5,372,441 ATypeRight Keyboard Corporation · 1994
- Ergonomic thumb-actuable keyboard for a hand-grippable device183US 5,332,322 A1994