H01H 2219/0622
Only an illuminated ring around keys
Official title: only an illuminated ring around keys
H01H2219/0622 (Only an illuminated ring around keys) appears on 136 US grants and 118 published applications in this corpus.
Search patents in H01H- Granted patents
- 136
- Published applications
- 118
- Assignees
- 110
- Inventors
- 326
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 3 |
| 2002 | 3 | 4 |
| 2003 | 4 | 0 |
| 2004 | 1 | 4 |
| 2005 | 2 | 1 |
| 2006 | 2 | 5 |
| 2007 | 4 | 5 |
| 2008 | 5 | 5 |
| 2009 | 1 | 6 |
| 2010 | 5 | 5 |
| 2011 | 3 | 4 |
| 2012 | 4 | 14 |
| 2013 | 5 | 4 |
| 2014 | 7 | 6 |
| 2015 | 6 | 6 |
| 2016 | 2 | 5 |
| 2017 | 9 | 5 |
| 2018 | 6 | 6 |
| 2019 | 6 | 2 |
| 2020 | 6 | 5 |
| 2021 | 4 | 6 |
| 2022 | 6 | 6 |
| 2023 | 8 | 7 |
| 2024 | 4 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light pipes and associated assemblies with uniform illumination and high efficiency9 Jun 2026US 12,650,547 B1Amazon Technologies, Inc.
- Indicator assembly for media processing devices23 Sep 2025US 12,420,976 B2Zebra Technologies Corporation
- Circuit structure, backlight module and light-emitting key device using the same21 Jan 2025US 12,205,782 B2Lite-On Electronics (Guangzhou) Limited
- Keypad having illuminated buttons24 Dec 2024US 12,176,159 B2Lutron Technology Company LLC
- Button composite structure1 Oct 2024US 12,106,912 B2Tovis Co., Ltd.
- Keypad Having Illuminated Buttons28 Aug 2025US 2025/0273413 A1Lutron Technology Company LLC
- Annular Lamp Assembly and Operation Box10 Oct 2024US 2024/0337364 A1Lixil Living Technology (Suzhou) Corporation
- Keypad Having Illuminated Buttons23 May 2024US 2024/0170235 A1Lutron Technology Company LLC
- Indicator Assembly for Media Processing Devices8 Feb 2024US 2024/0043159 A1Zebra Technologies Corporation
- Circuit structure, backlight module and light-emitting key device using the same23 Nov 2023US 2023/0377817 A1Lite-On Electronics (Guangzhou) Limited
Most cited
By later US patents
- Switch having combined light pipe and printed circuit board110US 5,521,342 AGeneral Motors Corporation · 1996
- Halo lighting for keypad switch assemblies81US 5,491,313 AGeneral Motors Corporation · 1996
- Lighted switch device79US 7,230,196 B2Alpha Corporation · 2007
- Circuit breaker having a movable and illuminable arc fault indicator78US 6,542,056 B2Eaton Corporation · 2003
- Vehicle switch assembly with proximity activated illumination55US 6,774,505 B1Lear Automotive Dearborn, Inc. · 2004