A61F 2/20
Larynxes
Official title: Larynxes; Tracheae combined with larynxes or for use therewith
A61F2/20 (Larynxes) appears on 301 US grants and 254 published applications in this corpus.
Search patents in A61F- Granted patents
- 301
- Published applications
- 254
- Assignees
- 150
- Inventors
- 465
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 13 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 4 |
| 2002 | 6 | 12 |
| 2003 | 7 | 10 |
| 2004 | 8 | 15 |
| 2005 | 3 | 21 |
| 2006 | 9 | 10 |
| 2007 | 5 | 7 |
| 2008 | 9 | 13 |
| 2009 | 2 | 11 |
| 2010 | 5 | 11 |
| 2011 | 9 | 13 |
| 2012 | 10 | 5 |
| 2013 | 11 | 17 |
| 2014 | 13 | 12 |
| 2015 | 15 | 11 |
| 2016 | 8 | 13 |
| 2017 | 13 | 12 |
| 2018 | 6 | 13 |
| 2019 | 17 | 9 |
| 2020 | 7 | 13 |
| 2021 | 8 | 5 |
| 2022 | 11 | 8 |
| 2023 | 0 | 3 |
| 2024 | 5 | 2 |
| 2025 | 6 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tubular prostheses18 Nov 2025US 12,472,057 B2Humacyte, Inc.
- Vocalization assistance device9 Sep 2025US 12,409,029 B2National University Corporation Tokyo Medical and Dental University
- Methods and apparatus for treating glottic insufficiency26 Aug 2025US 12,396,844 B2Aprevent Medical Inc.
- Speaking valve20 May 2025US 12,303,644 B2Andreas Fahl Medizintechnik—Vertrieb GmbH
- Occluding stent, implanter thereof, and implanting method thereof11 Mar 2025US 12,245,768 B2Jiangsu Province Hospital
- Bioengineering patient-specific 3d-printed cartilage implants12 Feb 2026US 2026/0041558 A1Sheba Impact Ltd.
- Dysphonia treatment tool30 Oct 2025US 2025/0331983 A1Iryohojin Kenmukai
- Artificial epiglottis, and swallowing and breathing switching device11 Sep 2025US 2025/0281279 A1Murata Manufacturing Co., Ltd.
- Patterned implantable devices for addressing tubular tissue passageway defects and methods of making and using same22 May 2025US 2025/0161028 A1Emory University
- Rhamnolipid coating of medical devices20 Jun 2024US 2024/0197955 A1Atos Medical AB
Most cited
By later US patents
- Hydrogels of absorbable polyoxaesters413US 5,698,213 AEthicon, Inc. · 1997
- Methods and devices for creating collateral channels in the lungs286US 6,692,494 B1Broncus Technologies, Inc. · 2004
- Devices for creating collateral in the lungs283US 6,629,951 B2Broncus Technologies, Inc. · 2003
- Devices for creating collateral channels280US 6,712,812 B2Broncus Technologies, Inc. · 2004
- Submucosal esophageal bulking device251US 6,098,629 AEndonetics, Inc. · 2000