A62B 9/04
Couplings
Official title: Couplings; Supporting frames
A62B9/04 (Couplings) appears on 327 US grants and 403 published applications in this corpus.
Search patents in A62B- Granted patents
- 327
- Published applications
- 403
- Assignees
- 168
- Inventors
- 724
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 5 |
| 2003 | 4 | 3 |
| 2004 | 2 | 7 |
| 2005 | 6 | 3 |
| 2006 | 3 | 7 |
| 2007 | 5 | 7 |
| 2008 | 4 | 16 |
| 2009 | 2 | 6 |
| 2010 | 3 | 8 |
| 2011 | 8 | 9 |
| 2012 | 11 | 15 |
| 2013 | 11 | 10 |
| 2014 | 7 | 14 |
| 2015 | 9 | 27 |
| 2016 | 9 | 22 |
| 2017 | 13 | 24 |
| 2018 | 19 | 23 |
| 2019 | 16 | 18 |
| 2020 | 26 | 23 |
| 2021 | 16 | 35 |
| 2022 | 23 | 23 |
| 2023 | 21 | 38 |
| 2024 | 22 | 22 |
| 2025 | 15 | 18 |
| 2026 | 11 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hardhat with air conduit15 Sep 2026US 12,734,377 B23M Innovative Properties Company
- Fixing device for breathing tube18 Aug 2026US 12,708,801 B2
- Connector systems for breathing apparatus18 Aug 2026US 12,708,802 B2Draeger Safety UK Limited
- Full-face respirator mask11 Aug 2026US D1,141,117 S1Design
- Neck-mount powered respirator23 Jun 2026US 12,661,472 B2F3 Biodesigns, LLC
- Breathing apparatus and a method of controlling the breathing apparatus3 Sep 2026US 2026/0257083 A1Malina - Safety S.R.O.
- Quick release for closed-circuit rebreather30 Jul 2026US 2026/0216540 A1Caeli Technologies Ltd
- Neck-hanging air purifier2 Jul 2026US 2026/0183579 A1Guangzhou Fengruijing Technology Device Co., Ltd.
- Powered air purifying faceshield18 Jun 2026US 2026/0168516 A1Board of Regents of the University of Nebraska
- Modular self contained breathing apparatus and powered air purifying respirator system11 Jun 2026US 2026/0158300 A1
Most cited
By later US patents
- Nonvolatile memory devices, channel boosting methods thereof, programming methods thereof, and memory systems including the same613US 8,654,587 B2Samsung Electronics Co., Ltd. · 2014
- Auxiliary supply system for a portable self-contained breathing apparatus247US 4,841,953 A1989
- Elbow for mask assembly201US 7,011,090 B2ResMed Limited · 2006
- Apparatus and method for breathing apparatus component coupling120US 6,575,165 B13M Innovative Properties Company · 2003
- Patient interface systems108US 8,573,201 B2ResMed Limited · 2013