H01H 2213/01
Venting: with internal pressure of other switch sites
Official title: with internal pressure of other switch sites
H01H2213/01 (Venting: with internal pressure of other switch sites) appears on 107 US grants and 56 published applications in this corpus.
Search patents in H01H- Granted patents
- 107
- Published applications
- 56
- Assignees
- 75
- Inventors
- 183
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 9 |
| 2003 | 7 | 1 |
| 2004 | 4 | 3 |
| 2005 | 4 | 3 |
| 2006 | 3 | 2 |
| 2007 | 0 | 2 |
| 2008 | 2 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 3 |
| 2011 | 0 | 2 |
| 2012 | 3 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 5 |
| 2017 | 2 | 0 |
| 2018 | 5 | 1 |
| 2019 | 2 | 6 |
| 2020 | 2 | 0 |
| 2021 | 5 | 5 |
| 2022 | 3 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrical key support membrane17 Mar 2026US 12,578,802 B2Apple Inc.
- Relay having a pressure relief valve assembly2 Dec 2025US 12,488,954 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Push switch2 Apr 2024US 11,948,758 B2Mitsumi Electric Co., Ltd.
- Push switch28 Feb 2023US 11,594,385 B2Mitsumi Electric Co., Ltd.
- Waterproof pressing structure and membrane switch circuit board using the same6 Sep 2022US 11,437,206 B2Lite-On Electronics (Guangzhou) Limited
- Relay12 Feb 2026US 2026/0045432 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Waterproof keyboard with flexible keyboard circuit and related methods30 May 2024US 2024/0176397 A1Seal Shield, LLC
- Relay19 Oct 2023US 2023/0335360 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Push switch18 May 2023US 2023/0154699 A1Mitsumi Electric Co., Ltd.
- Electrical key support membrane10 Nov 2022US 2022/0357802 A1Apple Inc.
Most cited
By later US patents
- Keyboard switch assembly having internal gas passages preformed in spacer member190US 4,046,975 AChomerics, Inc. · 1977
- Pressure sensitive matrix switch having apertured spacer with flexible double sided adhesive intermediate and channels optionally interposed between apertures144US 4,065,649 ALake Center Industries · 1977
- Membrane switch with universal spacer means139US 4,317,013 AOak Industries Inc. · 1982
- Keyboard (I)138US 6,215,420 B1Coach Master Int'l Corp. · 2001
- Transparent keyboard switch and array133US 4,017,848 ARockwell International Corporation · 1977