H01H 2219/04
Attachments
Official title: Attachments; Connections
H01H2219/04 (Attachments) appears on 140 US grants and 106 published applications in this corpus.
Search patents in H01H- Granted patents
- 140
- Published applications
- 106
- Assignees
- 102
- Inventors
- 233
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 4 |
| 2003 | 3 | 4 |
| 2004 | 3 | 5 |
| 2005 | 3 | 8 |
| 2006 | 6 | 2 |
| 2007 | 6 | 6 |
| 2008 | 1 | 1 |
| 2009 | 2 | 3 |
| 2010 | 3 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 8 |
| 2013 | 8 | 3 |
| 2014 | 0 | 3 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 3 | 2 |
| 2018 | 3 | 5 |
| 2019 | 2 | 5 |
| 2020 | 4 | 1 |
| 2021 | 4 | 8 |
| 2022 | 6 | 7 |
| 2023 | 8 | 11 |
| 2024 | 3 | 8 |
| 2025 | 6 | 3 |
| 2026 | 8 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Key module and keyboard14 Jul 2026US 12,683,098 B2Wistron Corporation
- Control devices having independently suspended buttons for controlled actuation7 Jul 2026US 12,676,267 B2Lutron Technology Company LLC
- Lighting keyboard and backlight module thereof23 Jun 2026US 12,665,146 B2Darfon Electronics Corp.
- Lighting keyboard, backlight module and lighting board9 Jun 2026US 12,650,551 B2Darfon Electronics Corp.
- Key structure14 Apr 2026US 12,603,236 B2Acer Incorporated
- Control devices having independently suspended buttons for controlled actuation8 Oct 2026US 2026/0311942 A1Lutron Technology Company LLC
- Light-emitting keyboard9 Jul 2026US 2026/0196418 A1Lite-On Electronics (Guangzhou) Limited
- Light-emitting keyboard and backlight module25 Sep 2025US 2025/0299892 A1Lite-On Electronics (Guangzhou) Limited
- Key structure20 Feb 2025US 2025/0062083 A1Acer Incorporated
- Light-emitting keyboard and backlight module16 Jan 2025US 2025/0022672 A1Lite-On Electronics (Guangzhou) Limited
Most cited
By later US patents
- Method and apparatus for providing backlighting for keypads and LCD panels95US 5,708,428 AEricsson Inc. · 1998
- Remote control with key lighting90US 5,568,367 AUniversal Electronics Inc. · 1996
- Backlighted illuminated keyboard84US 4,449,024 AKB Denver, Inc. · 1984
- Self-illuminating panel switch82US 4,937,408 AMitsubishi Denki Kabushiki Kaisha · 1990
- Thin profile keypad with integrated LEDs81US 5,960,942 AEricsson Inc. · 1999