A61J 19/02
Sputum flasks
A61J19/02 (Sputum flasks) appears on 21 US grants and 22 published applications in this corpus.
Search patents in A61J- Granted patents
- 21
- Published applications
- 22
- Assignees
- 9
- Inventors
- 51
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 4 |
| 2018 | 2 | 1 |
| 2019 | 3 | 2 |
| 2020 | 3 | 2 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Portable container for a disposable cup20 Jan 2026US 12,527,724 B2
- Bodily fluid collector and bodily fluid collection method9 Sep 2025US 12,408,896 B2Xiamen Zeesan Biotech Co., Ltd.
- Spittoon lid for disposable containers2 Nov 2021US 11,160,732 B2
- Spittoon with sealing lid8 Dec 2020US 10,857,071 B1
- Sample collection18 Aug 2020US 10,743,846 B2Nepesmo Limited
- Portable container for a disposable cup7 Nov 2024US 2024/0366478 A1
- Saliva collection apparatus and method11 Jan 2024US 2024/0009662 A1National University of Singapore
- Valved cap for container27 Jul 2023US 2023/0234753 A1
- Sample collection device with reagent29 Dec 2022US 2022/0409189 A1Viome Life Sciences, Inc.
- Dual action oral waste fluid removal and hydration device4 Nov 2021US 2021/0338535 A1
Most cited
By later US patents
- Portable pocket spittoon49US 4,885,809 A1989
- Emesis device22US 6,210,382 B12001
- Disposable emesis container14US 4,182,478 ANorth American Laboratories, Inc. · 1980
- Portable receptacle for receiving and containing emesis13US 5,599,332 A1997
- Apparatus for containment of oral secretions10US 4,628,547 A1986