A62B 9/025
With tilting opening action
Official title: {with tilting opening action}
A62B9/025 (With tilting opening action) appears on 20 US grants and 6 published applications in this corpus.
Search patents in A62B- Granted patents
- 20
- Published applications
- 6
- Assignees
- 15
- Inventors
- 29
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Low Input Pressure Lung Demand Valve30 Oct 2025US 2025/0332455 A1Dräger Safety AG & Co. KGaA
- Gas negative pressure valve19 Dec 2024US 2024/0419196 A1Ningbo Wanan Co., Ltd.
- Second stage regulator for emergency breathing systems25 Aug 2022US 2022/0266067 A1ProAsia Design Co., Ltd.
- Pressure regulator assembly and bypass assembly for a self-contained breathing apparatus30 Jun 2022US 2022/0203140 A1MSA (Suzhou) Safety Equipment R&D Co., Ltd.
- Pressure Regulator Assembly and Bypass Assembly for a Self-Contained Breathing Apparatus19 Jul 2018US 2018/0200545 A1MSA (Suzhou) Safety Equipment R&D Co., Ltd.
Most cited
By later US patents
- Demand valve for a respirator192US 5,042,473 APro-Tech Respirators, Inc. · 1991
- Demand regulator79US 3,978,854 ALif-O-Gen, Inc. · 1976
- Coupling connectors for respirator masks24US 4,693,242 AFenzy S.A. · 1987
- Breathing mask with face-contact actuated overpressure generating switch17US 5,499,624 ADragerwerk Aktiengesellschaft · 1996
- Respirator control device15US 4,630,605 ADragerwerk Aktiengesellschaft · 1986