H01H 2221/024
Transmission element
H01H2221/024 (Transmission element) appears on 371 US grants and 291 published applications in this corpus.
Search patents in H01H- Granted patents
- 371
- Published applications
- 291
- Assignees
- 251
- Inventors
- 730
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 2 |
| 2002 | 4 | 2 |
| 2003 | 8 | 7 |
| 2004 | 6 | 10 |
| 2005 | 7 | 10 |
| 2006 | 8 | 5 |
| 2007 | 4 | 9 |
| 2008 | 4 | 5 |
| 2009 | 5 | 10 |
| 2010 | 12 | 7 |
| 2011 | 3 | 10 |
| 2012 | 8 | 13 |
| 2013 | 5 | 16 |
| 2014 | 15 | 18 |
| 2015 | 14 | 31 |
| 2016 | 28 | 19 |
| 2017 | 20 | 11 |
| 2018 | 20 | 18 |
| 2019 | 18 | 17 |
| 2020 | 19 | 17 |
| 2021 | 11 | 18 |
| 2022 | 18 | 8 |
| 2023 | 8 | 9 |
| 2024 | 9 | 10 |
| 2025 | 7 | 9 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Button assembly and electronic apparatus comprising same25 Aug 2026US 12,718,994 B2Samsung Electronics Co., Ltd.
- Stack key structure and balance-shaft seat thereof24 Mar 2026US 12,586,740 B2Voyetra Turtle Beach, Inc.
- Lifting key and electronic device13 Jan 2026US 12,525,412 B2Vivo Mobile Communication Co., Ltd.
- Slide switch23 Dec 2025US 12,505,966 B2Cheng Uei Precision Industry Co., Ltd.
- Electronic device4 Nov 2025US 12,462,992 B2Sony Interactive Entertainment Inc.
- Keyboard and key stem configured for removably holding a keycap30 Oct 2025US 2025/0336624 A1
- Key device18 Sep 2025US 2025/0291428 A1Chicony Electronics Co., Ltd.
- Switch unit, key switch assembly, and keyboard3 Jul 2025US 2025/0218709 A1Fcl Components Limited
- Aerosol-generating device with button centering1 May 2025US 2025/0134166 A1Philip Morris Products S. A.
- Electronic device24 Apr 2025US 2025/0132108 A1Casio Computer Co., Ltd.
Most cited
By later US patents
- Computer input device with individually positionable and programmable input members103US 6,903,662 B2Ergodex, Inc. · 2005
- Illuminated keyboard76US 4,177,501 AHarris Corporation · 1979
- Body structure for a pocket computer having a fastener with multiple spaced apart elements66US 5,253,142 ACal-Comp Electronics, Inc. · 1993
- Backlit full travel key assembly64US 6,743,993 B1Advanced Input Devices, Inc. · 2004
- Operating panel62US 4,613,736 ASony Corporation · 1986