A61M 16/0438
Liquid-filled
Official title: {Liquid-filled}
A61M16/0438 (Liquid-filled) appears on 97 US grants and 89 published applications in this corpus.
Search patents in A61M- Granted patents
- 97
- Published applications
- 89
- Assignees
- 58
- Inventors
- 148
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 3 |
| 2002 | 1 | 1 |
| 2003 | 3 | 1 |
| 2004 | 4 | 3 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 2 | 4 |
| 2011 | 2 | 5 |
| 2012 | 2 | 6 |
| 2013 | 5 | 6 |
| 2014 | 5 | 8 |
| 2015 | 4 | 5 |
| 2016 | 5 | 5 |
| 2017 | 4 | 4 |
| 2018 | 3 | 4 |
| 2019 | 5 | 8 |
| 2020 | 6 | 5 |
| 2021 | 2 | 2 |
| 2022 | 1 | 2 |
| 2023 | 2 | 4 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Medical devices for airway management and methods of placement10 Mar 2026US 12,569,314 B2Wm & Dg, Inc.
- Intubation devices and methods of use7 May 2024US 11,975,148 B2Epic Airway Systems, Inc.
- System for reducing local discomfort4 Jul 2023US 11,690,987 B2Awair, Inc.
- Medical devices for airway management and methods of placement18 Apr 2023US 11,628,036 B2Wm & Dg, Inc.
- Pressure controller and tracheal breathing tube comprising same15 Feb 2022US 11,247,011 B2
- Methods of intubating a patient with a sealing endotracheal tube18 Jun 2026US 2026/0166251 A1Epic Airway Systems, Inc.
- System and method for characterizing an inflatable cuff18 Dec 2025US 2025/0381356 A1Aw Technologies Aps
- Methods of intubating a patient24 Oct 2024US 2024/0350762 A1Epic Airway Systems, Inc.
- Endotracheal tube with ultrasound-visible double cuff15 Aug 2024US 2024/0269411 A1Hamad Medical Corporation
- System for reducing local discomfort14 Sep 2023US 2023/0285727 A1Awair, Inc.
Most cited
By later US patents
- Thin layer ablation apparatus1,138US 5,505,730 A1996
- Sphincter treatment apparatus834US 6,056,744 AConway Stuart Medical, Inc. · 2000
- Method for treating a sphincter813US 6,009,877 A2000
- Thin layer ablation apparatus650US 5,558,672 AVidacare Corporation · 1996
- Thin layer ablation apparatus611US 5,569,241 AVidacare Corporation · 1996