H01H 2209/002
Materials
H01H2209/002 (Materials) appears on 190 US grants and 148 published applications in this corpus.
Search patents in H01H- Granted patents
- 190
- Published applications
- 148
- Assignees
- 140
- Inventors
- 442
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 10 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 7 |
| 2002 | 4 | 5 |
| 2003 | 11 | 7 |
| 2004 | 7 | 6 |
| 2005 | 1 | 6 |
| 2006 | 5 | 5 |
| 2007 | 7 | 13 |
| 2008 | 4 | 7 |
| 2009 | 5 | 24 |
| 2010 | 8 | 7 |
| 2011 | 6 | 6 |
| 2012 | 7 | 7 |
| 2013 | 6 | 1 |
| 2014 | 2 | 4 |
| 2015 | 0 | 2 |
| 2016 | 3 | 3 |
| 2017 | 3 | 4 |
| 2018 | 3 | 3 |
| 2019 | 5 | 8 |
| 2020 | 6 | 13 |
| 2021 | 6 | 0 |
| 2022 | 2 | 5 |
| 2023 | 3 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multilayer switchdome systems and methods15 Sep 2026US 12,738,431 B2Snaptron, Inc.
- Control device having buttons with metallic surfaces and backlit indicia20 May 2025US 12,309,901 B2Lutron Technology Company LLC
- Wireless actuator unit with a thermostat stand27 Aug 2024US 12,074,003 B2Google Inc.
- Irreversible switch for laminated communication device, and laminated communication device using the switch16 Apr 2024US 11,961,686 B2Kanda Kogyo Co., Ltd.
- Functional component having a key function12 Sep 2023US 11,756,751 B2KOSTAL Automobil Elektrik GmbH & Co. KG
- 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.
- Biaxially oriented polyester film24 Apr 2025US 2025/0129220 A1Toyobo Co., Ltd.
- Control Device Having Buttons with Metallic Surfaces and Backlit Indicia26 Oct 2023US 2023/0345607 A1Lutron Technology Company LLC
- Systems With Durable Coatings13 Jul 2023US 2023/0223212 A1Apple Inc.
Most cited
By later US patents
- Key-board switch unit152US 4,302,648 AShin-Etsu Polymer Co., Ltd. · 1981
- Composite top membrane for flat panel switch arrays145US 4,258,096 ASheldahl, Inc. · 1981
- Keyboard switch assembly131US 4,527,021 AShin-Etsu Polmer Co., Ltd. · 1985
- Membrane switch124US 4,607,147 AAlps Electric Co., Ltd. · 1986
- Tactile membrane keyboard with asymmetrical tactile key elements123US 4,492,829 ARogers Corporation · 1985