H01H 2213/002
Venting: with external pressure
Official title: with external pressure
H01H2213/002 (Venting: with external pressure) appears on 106 US grants and 61 published applications in this corpus.
Search patents in H01H- Granted patents
- 106
- Published applications
- 61
- Assignees
- 69
- Inventors
- 199
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 6 |
| 2003 | 3 | 2 |
| 2004 | 2 | 2 |
| 2005 | 3 | 3 |
| 2006 | 2 | 3 |
| 2007 | 1 | 3 |
| 2008 | 2 | 3 |
| 2009 | 2 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 2 |
| 2012 | 2 | 5 |
| 2013 | 4 | 2 |
| 2014 | 1 | 0 |
| 2015 | 2 | 4 |
| 2016 | 3 | 3 |
| 2017 | 1 | 0 |
| 2018 | 1 | 6 |
| 2019 | 7 | 4 |
| 2020 | 3 | 3 |
| 2021 | 4 | 0 |
| 2022 | 2 | 4 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Construction and protection of components in negative pressure wound therapy systems23 Sep 2025US 12,420,006 B2Smith & Nephew, Inc.
- Arc extinction apparatus of air circuit breaker30 Jan 2024US 11,887,799 B2Ls Electric Co., Ltd.
- Membrane switch, key and keyboard31 Oct 2023US 11,804,342 B2Suzhou You Yue Electronics Co., Ltd.
- Construction and protection of components in negative pressure wound therapy systems28 Jun 2022US 11,369,730 B2Smith & Nephew, Inc.
- Key structure24 May 2022US 11,342,139 B1Primax Electronics Ltd.
- Pushbutton for capsule-shaped speaker11 Dec 2025US 2025/0379010 A1Sagemcom Broadband SAS
- Backlight keyswitch14 Nov 2024US 2024/0379308 A1Darfon Electronics Corp.
- Membrane switch, key and keyboard11 May 2023US 2023/0142935 A1Suzhou You Yue Electronics Co., Ltd.
- Construction and protection of components in negative pressure wound therapy systems15 Dec 2022US 2022/0395629 A1Smith & Nephew, Inc.
- Arc extinction apparatus of air circuit breaker16 Jun 2022US 2022/0189724 A1Ls Electric Co., Ltd.
Most cited
By later US patents
- Flexible keyboard for computers178US 5,220,521 ACordata, Inc. · 1993
- Electronic pressure sensitive force transducer140US 4,489,302 A1984
- Vented membrane switch with contaminant scavenger132US 4,365,130 ANorth American Philips Corporation · 1982
- Bounceless switch apparatus131US 4,315,238 A1982
- Keyboard switch assembly131US 4,527,021 AShin-Etsu Polmer Co., Ltd. · 1985