H01H 2209/00
Layers
H01H2209/00 (Layers) appears on 725 US grants and 598 published applications in this corpus.
Search patents in H01H- Granted patents
- 725
- Published applications
- 598
- Assignees
- 379
- Inventors
- 1,455
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 10 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 17 | 0 |
| 1982 | 17 | 0 |
| 1983 | 18 | 0 |
| 1984 | 15 | 0 |
| 1985 | 22 | 0 |
| 1986 | 13 | 0 |
| 1987 | 17 | 0 |
| 1988 | 20 | 0 |
| 1989 | 6 | 0 |
| 1990 | 13 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 11 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 16 | 0 |
| 2000 | 13 | 0 |
| 2001 | 12 | 13 |
| 2002 | 15 | 18 |
| 2003 | 28 | 25 |
| 2004 | 16 | 23 |
| 2005 | 11 | 24 |
| 2006 | 16 | 30 |
| 2007 | 19 | 41 |
| 2008 | 25 | 33 |
| 2009 | 22 | 60 |
| 2010 | 26 | 44 |
| 2011 | 22 | 44 |
| 2012 | 31 | 34 |
| 2013 | 28 | 20 |
| 2014 | 17 | 17 |
| 2015 | 7 | 16 |
| 2016 | 18 | 17 |
| 2017 | 21 | 17 |
| 2018 | 23 | 19 |
| 2019 | 19 | 20 |
| 2020 | 17 | 29 |
| 2021 | 18 | 11 |
| 2022 | 10 | 16 |
| 2023 | 9 | 9 |
| 2024 | 9 | 8 |
| 2025 | 8 | 7 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 2209/068Properties of the membraneIndexing code280
- H01H 2209/002MaterialsIndexing code190
- H01H 2209/024Properties of the substrateIndexing code166
- H01H 2209/046Properties of the spacerIndexing code117
- H01H 2209/006Force isolatorsIndexing code101
- H01H 2209/014Composed of different layersIndexing code75
- H01H 2209/016Protection layerIndexing code68
- H01H 2209/01Increasing rigidityIndexing code51
All 13 subgroupsShow fewer
Recent patents
- Multilayer switchdome systems and methods15 Sep 2026US 12,738,431 B2Snaptron, Inc.
- Keyboard device and electronic apparatus18 Aug 2026US 12,712,139 B2Lenovo (Singapore) Pte. Ltd.
- Control devices having independently suspended buttons for controlled actuation7 Jul 2026US 12,676,267 B2Lutron Technology Company LLC
- Graphene enhanced and engineered materials for membrane touch switch and other flexible electronic structures16 Dec 2025US 12,497,532 B2Alpha Assembly Solutions Inc.
- Button device and electronic apparatus29 Jul 2025US 12,374,510 B2Nintendo Co., Ltd.
- Control devices having independently suspended buttons for controlled actuation8 Oct 2026US 2026/0311942 A1Lutron Technology Company LLC
- Key structure and electronic device24 Sep 2026US 2026/0290716 A1AAC Acoustic Technologies (Shanghai) Co., Ltd.
- Keyboard device and electronic apparatus11 Jun 2026US 2026/0162917 A1Lenovo (Singapore) Pte. Ltd.
- Control Device Having Buttons with Metallic Surfaces and Backlit Indicia6 Nov 2025US 2025/0344306 A1Lutron Technology Company LLC
- Translucent keycap and method of manufacturing the same25 Sep 2025US 2025/0299893 A1Darfon Electronics Corp.
Most cited
By later US patents
- Tamper resistant pin entry apparatus1,151US 7,238,901 B2Nautilus Hyosung Inc. · 2007
- Push button switch assembly including single or plural sequentially closed switches243US 5,313,027 AMatsushita Electric Industrial Co., Ltd. · 1994
- Foldable alpha numeric keyboard239US 6,861,961 B2Electrotextiles Company Limited · 2005
- Tactile touch switch panel211US 4,127,752 ASheldahl, Inc. · 1978
- Ergonomic keyboard apparatus with left and right key section separated by an irregularly shaped space209US 5,372,441 ATypeRight Keyboard Corporation · 1994