A61M 16/0461
Nasoendotracheal tubes
Official title: {Nasoendotracheal tubes}
A61M16/0461 (Nasoendotracheal tubes) appears on 173 US grants and 251 published applications in this corpus.
Search patents in A61M- Granted patents
- 173
- Published applications
- 251
- Assignees
- 112
- Inventors
- 378
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 6 |
| 2007 | 0 | 3 |
| 2008 | 0 | 11 |
| 2009 | 0 | 2 |
| 2010 | 4 | 6 |
| 2011 | 6 | 8 |
| 2012 | 2 | 10 |
| 2013 | 8 | 14 |
| 2014 | 6 | 18 |
| 2015 | 3 | 12 |
| 2016 | 6 | 15 |
| 2017 | 8 | 15 |
| 2018 | 8 | 18 |
| 2019 | 16 | 16 |
| 2020 | 10 | 13 |
| 2021 | 11 | 16 |
| 2022 | 10 | 14 |
| 2023 | 7 | 14 |
| 2024 | 9 | 8 |
| 2025 | 15 | 20 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for improved assisted ventilation22 Sep 2026US 12,741,110 B2CoLabs Medical, Inc.
- Nasopharyngeal airway devices4 Aug 2026US 12,697,451 B2The Regents of the University of Michigan
- Adjustable nasopharyngeal airway device and method16 Jun 2026US 12,653,978 B2Code 1 Medical Devices, LLC
- Method and apparatus for applying a tracing to an expandable device26 May 2026US 12,635,951 B2Covidien LP
- Endotracheal tube holder28 Apr 2026US 12,611,515 B1Marpac Corporation
- Methods and apparatus for high gas flow8 Oct 2026US 2026/0306769 A1Fisher & Paykel Healthcare Limited
- Medical tube and/or cord support methods and apparatus3 Sep 2026US 2026/0257032 A1
- Method for holding an endotracheal tube holder6 Aug 2026US 2026/0224837 A1Marpac Corporation
- Nasopharyngeal airway device18 Jun 2026US 2026/0166249 A16:8 Medical Solutions LLC
- Apparatus and method for improved assisted ventilation16 Apr 2026US 2026/0102574 A1CoLabs Medical, Inc.
Most cited
By later US patents
- Ventilation tube swivel349US 4,676,241 AW.L.G. Technology · 1987
- Upper lip mounted retaining means for medical-surgical tubes262US 3,972,321 A1976
- Nasopharyngeal airway with inflatable cuff210US 6,394,093 B12002
- Nasal intubation apparatus174US 5,842,973 A1998
- Apparatus and method for the treatment of esophageal varices and mucosal neoplasms126US 5,906,587 A1999