A61M 16/0431
With a cross-sectional shape other than circular
Official title: {with a cross-sectional shape other than circular}
A61M16/0431 (With a cross-sectional shape other than circular) appears on 100 US grants and 125 published applications in this corpus.
Search patents in A61M- Granted patents
- 100
- Published applications
- 125
- Assignees
- 59
- Inventors
- 181
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 2 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 4 | 5 |
| 2005 | 2 | 6 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 2 | 8 |
| 2009 | 0 | 3 |
| 2010 | 1 | 9 |
| 2011 | 1 | 6 |
| 2012 | 3 | 9 |
| 2013 | 9 | 9 |
| 2014 | 4 | 9 |
| 2015 | 4 | 3 |
| 2016 | 10 | 3 |
| 2017 | 2 | 3 |
| 2018 | 3 | 6 |
| 2019 | 5 | 2 |
| 2020 | 6 | 5 |
| 2021 | 4 | 7 |
| 2022 | 4 | 5 |
| 2023 | 2 | 6 |
| 2024 | 0 | 2 |
| 2025 | 3 | 5 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laryngeal oral airway7 Jul 2026US 12,673,175 B2
- Apparatus and method for improved assisted ventilation3 Jun 2025US 12,318,539 B2CoLabs Medical, Inc.
- System and method for automated titration of continuous positive airway pressure using an obstruction index11 Feb 2025US 12,220,530 B2New York University
- Airway management device and method of manufacture28 Jan 2025US 12,208,205 B2
- Airway device18 Jul 2023US 11,701,484 B2Ashkal Developments Limited
- Tracheal cannula and use of a tracheal cannula17 Sep 2026US 2026/0273213 A1Andreas Fahl Medizintechnik—Vertrieb GmbH
- Oxygenating oropharyngeal airway devices, kits relating to same, and methods of using same9 Jul 2026US 2026/0192069 A1Baylor Research Institute D/B/A Baylor Scott & White Research Institute
- Airway management system9 Apr 2026US 2026/0097178 A1
- Intubation devices and systems12 Mar 2026US 2026/0069806 A1Flexicare (Group) Limited
- Apparatus and method for improved assisted ventilation18 Dec 2025US 2025/0381354 A1CoLabs Medical, Inc.
Most cited
By later US patents
- Drug delivery catheter with manifold353US 5,554,119 ASciMed · 1996
- Drug delivery catheter282US 5,558,642 ASciMed Life Systems, Inc. · 1996
- Multi-purpose tracheal tube249US 4,584,998 AMallinckrodt Inc. · 1986
- Laryngeal-mask airway with guide element, stiffener, and fiberoptic access180US 5,682,880 A1997
- Device for insertion into a body opening178US 3,968,800 A1976