B41J 5/14
Construction of key levers
B41J5/14 (Construction of key levers) appears on 8 US grants and 2 published applications in this corpus.
Search patents in B41J- Granted patents
- 8
- Published applications
- 2
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 10 Sep 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Key device10 Sep 2019US 10,409,316 B1Chicony Electronics Co., Ltd.
- Printable, reusable key masks26 Apr 2005US 6,883,985 B2
- Keyboard for typewriter and the like27 Sep 1994US 5,350,244 ATa Triumph-Adler Aktiengesellschaft
- Keylever pawl tube spring and keyboard utilizing a keylever pawl tube spring23 Feb 1982US 4,316,674 AInternational Business Machines Corporation
- Key extension for shorthand typewriting machine29 Dec 1981US 4,307,970 AThe Hedman Company
Most cited
By later US patents
- Printable, reusable key masks15US 6,883,985 B22005
- Key mechanism having a snap action7US 4,269,521 ASCM Corporation · 1981
- Keyboard for typewriter and the like7US 5,350,244 ATa Triumph-Adler Aktiengesellschaft · 1994
- Key extension for shorthand typewriting machine6US 4,307,970 AThe Hedman Company · 1981
- Low silhouette keyboard4US 4,188,137 ASCM Corporation · 1980