H01H 2223/05
Composed of hingedly connected sections
Official title: composed of hingedly connected sections
H01H2223/05 (Composed of hingedly connected sections) appears on 184 US grants and 136 published applications in this corpus.
Search patents in H01H- Granted patents
- 184
- Published applications
- 136
- Assignees
- 95
- Inventors
- 286
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 10 | 0 |
| 1996 | 8 | 0 |
| 1997 | 14 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 5 |
| 2002 | 7 | 21 |
| 2003 | 14 | 15 |
| 2004 | 14 | 27 |
| 2005 | 11 | 10 |
| 2006 | 14 | 20 |
| 2007 | 7 | 3 |
| 2008 | 6 | 6 |
| 2009 | 4 | 5 |
| 2010 | 3 | 4 |
| 2011 | 5 | 1 |
| 2012 | 4 | 2 |
| 2013 | 0 | 3 |
| 2014 | 4 | 6 |
| 2015 | 1 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 3 | 3 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Separated keyboard and method for changing keyboard layout for each communication connection31 Dec 2024US 12,182,341 B2
- Electronic device15 Jun 2021US 11,037,743 B2Dynabook Inc.
- Keyboard device8 Jun 2021US 11,029,723 B1Lenovo (Singapore) Pte. Ltd.
- Cover structure and electronic device4 Aug 2020US 10,732,671 B2Compal Electronics, Inc.
- Switch attachment member22 Oct 2019US 10,453,625 B2Works Bell Inc.
- Separated keyboard and method for changing keyboard layout for each communication connection11 Jan 2024US 2024/0012490 A1
- Electronic device30 Apr 2020US 2020/0135419 A1Dynabook Inc.
- Cover structure and electronic device12 Sep 2019US 2019/0278325 A1Compal Electronics, Inc.
- Keyboard device8 Aug 2019US 2019/0244772 A1Primax Electronics Ltd.
- Switch attachment member9 May 2019US 2019/0139718 A1Works Bell Inc.
Most cited
By later US patents
- Portable personal computer and mobile telephone device290US 5,189,632 ANokia Corporation · 1993
- Foldable radio telephone set with rotary selector integral with foldable hinge element285US 5,436,954 AHitachi, Ltd. · 1995
- Ergonomic keyboard apparatus with left and right key section separated by an irregularly shaped space209US 5,372,441 ATypeRight Keyboard Corporation · 1994
- Expandable keyboard for electronic pocket calculators and the like155US 3,940,758 A1976
- Compact foldable keyboard153US 5,712,760 ATexas Instruments Incorporated · 1998