H01H 2211/028
Contacts in depressions of layers
H01H2211/028 (Contacts in depressions of layers) appears on 37 US grants and 6 published applications in this corpus.
Search patents in H01H- Granted patents
- 37
- Published applications
- 6
- Assignees
- 28
- Inventors
- 58
- Latest grant
- 29 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 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 | 4 |
| 2017 | 0 | 0 |
| 2018 | 3 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Light-emitting assembly for keyboard29 Dec 2020US 10,879,019 B2Apple Inc.
- Light-emitting assembly for keyboard29 Jan 2019US 10,192,696 B2Apple Inc.
- Venting system and shield for keyboard20 Nov 2018US 10,134,539 B2Apple Inc.
- Key and switch housing for keyboard assembly13 Nov 2018US 10,128,061 B2Apple Inc.
- Dome switch and switch housing for keyboard assembly16 Jan 2018US 9,870,880 B2Apple Inc.
- Light-emitting assembly for keyboard25 Apr 2019US 2019/0122836 A1Apple Inc.
- Venting system and shield for keyboard30 Jun 2016US 2016/0189890 A1Apple Inc.
- Key and switch housing for keyboard assembly30 Jun 2016US 2016/0189891 A1Apple Inc.
- Dome switch and switch housing for keyboard assembly16 Jun 2016US 2016/0172129 A1Apple Inc.
- Light-emitting assembly for keyboard31 Mar 2016US 2016/0093452 A1Apple Inc.
Most cited
By later US patents
- Key-board switch unit152US 4,302,648 AShin-Etsu Polymer Co., Ltd. · 1981
- Multi-directional switch133US 4,687,200 ANintendo Co., Ltd. · 1987
- Keyboard switch assembly131US 4,527,021 AShin-Etsu Polmer Co., Ltd. · 1985
- Switch assembly116US 4,922,070 AMotorola, Inc. · 1990
- Electric apparatus for displaying a plurality of key symbols on a single passive display90US 4,313,108 ACasio Computer Co., Ltd. · 1982