H01H 2229/052
Thermoplastic bonding foil
H01H2229/052 (Thermoplastic bonding foil) appears on 10 US grants and 7 published applications in this corpus.
Search patents in H01H- Granted patents
- 10
- Published applications
- 7
- Assignees
- 8
- Inventors
- 21
- Latest grant
- 29 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Waterproof film and keyboard thereof29 Mar 2022US 11,289,288 B2Darfon Electronics Corp.
- Low-travel key mechanisms using butterfly hinges30 Jun 2020US 10,699,856 B2Apple Inc.
- Low-travel key mechanisms using butterfly hinges19 Feb 2019US 10,211,008 B2Apple Inc.
- Low-travel key mechanisms using butterfly hinges13 Mar 2018US 9,916,945 B2Apple Inc.
- Low-travel key mechanisms using butterfly hinges22 Nov 2016US 9,502,193 B2Apple Inc.
- Waterproof film and keyboard thereof24 Jun 2021US 2021/0193411 A1Darfon Electronics Corp.
- Low-travel key mechanisms using butterfly hinges13 Jun 2019US 2019/0180955 A1Apple Inc.
- Capped keyboard apparatus23 May 2019US 2019/0157025 A1Acrox Technologies Co., Ltd.
- Low-travel key mechanisms using butterfly hinges12 Jul 2018US 2018/0197696 A1Apple Inc.
- Low-travel key mechanisms using butterfly hinges16 Mar 2017US 2017/0076880 A1Apple Inc.
Most cited
By later US patents
- Backlit tactile keyboard with improved tactile and electrical characteristics73US 5,138,119 ALucas Duralith Corporation · 1992
- Backlit tactile keyboard with improved tactile and electrical characteristics56US 5,149,923 ALucas Duralith Corporation · 1992
- Low-travel key mechanisms using butterfly hinges31US 9,502,193 B2Apple Inc. · 2016
- Method of making keyboard switches23US 4,395,817 AMatsushita Electric Industrial Co., Ltd. · 1983
- Membrane switch18US 5,001,308 AAlps Electric Co., Ltd. · 1991