H01H 13/78
Characterised by the contacts or the contact sites
Official title: characterised by the contacts or the contact sites
H01H13/78 (Characterised by the contacts or the contact sites) appears on 787 US grants and 524 published applications in this corpus.
Search patents in H01H- Granted patents
- 787
- Published applications
- 524
- Assignees
- 374
- Inventors
- 1,289
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 11 | 0 |
| 1979 | 8 | 0 |
| 1980 | 7 | 0 |
| 1981 | 24 | 0 |
| 1982 | 19 | 0 |
| 1983 | 17 | 0 |
| 1984 | 25 | 0 |
| 1985 | 19 | 0 |
| 1986 | 20 | 0 |
| 1987 | 21 | 0 |
| 1988 | 14 | 0 |
| 1989 | 15 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 8 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 14 | 0 |
| 1997 | 13 | 0 |
| 1998 | 15 | 0 |
| 1999 | 10 | 0 |
| 2000 | 16 | 0 |
| 2001 | 11 | 24 |
| 2002 | 32 | 24 |
| 2003 | 20 | 33 |
| 2004 | 23 | 23 |
| 2005 | 18 | 20 |
| 2006 | 21 | 25 |
| 2007 | 18 | 15 |
| 2008 | 11 | 15 |
| 2009 | 10 | 24 |
| 2010 | 9 | 11 |
| 2011 | 21 | 24 |
| 2012 | 16 | 21 |
| 2013 | 22 | 39 |
| 2014 | 21 | 22 |
| 2015 | 18 | 12 |
| 2016 | 16 | 17 |
| 2017 | 18 | 16 |
| 2018 | 17 | 33 |
| 2019 | 26 | 24 |
| 2020 | 28 | 28 |
| 2021 | 23 | 13 |
| 2022 | 19 | 12 |
| 2023 | 11 | 16 |
| 2024 | 10 | 9 |
| 2025 | 6 | 11 |
| 2026 | 3 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 13/785Characterised by the material of the contacts401
- H01H 13/807Characterised by the spatial arrangement of the contact sites317
- H01H 13/79Characterised by the form of the contacts111
- H01H 13/80Characterised by the manner of cooperation of the contacts81
- H01H 13/803Characterised by the switching function thereof33
Recent patents
- Multilayer switchdome systems and methods15 Sep 2026US 12,738,431 B2Snaptron, Inc.
- System and method for a power sustainability keyboard with electrochromic film indicators30 Jun 2026US 12,671,041 B2Dell Products L. P.
- Device having integrated interface system19 May 2026US 12,632,116 B2Apple Inc.
- Haptic keyboard system21 Oct 2025US 12,449,906 B2Cirque Corporation
- Button structure21 Oct 2025US 12,451,305 B2Peratech IP Ltd
- Device having integrated interface system17 Sep 2026US 2026/0277330 A1Apple Inc.
- Keyboard and key module thereof20 Aug 2026US 2026/0245813 A1Chicony Electronics Co., Ltd.
- Keyboard and key module thereof20 Aug 2026US 2026/0245814 A1Chicony Electronics Co., Ltd.
- Keyboard and key module thereof20 Aug 2026US 2026/0245815 A1Chicony Electronics Co., Ltd.
- Keyboard and key module thereof13 Aug 2026US 2026/0237576 A1Chicony Electronics Co., Ltd.
Most cited
By later US patents
- Multi-function surgical device control system1,186US 5,712,460 ALinvatec Corporation · 1998
- Image controller575US 9,081,426 B2Anascape, Ltd. · 2015
- Image controller323US 7,345,670 B2Anascape, Ltd. · 2008
- Ergonomic keyboard input device283US 5,178,477 A1993
- Ergonomic keyboard apparatus269US 5,689,253 AKinesis Corporation · 1997