A61F 13/2022
Characterised by the shape
Official title: {characterised by the shape}
A61F13/2022 (Characterised by the shape) appears on 173 US grants and 216 published applications in this corpus.
Search patents in A61F- Granted patents
- 173
- Published applications
- 216
- Assignees
- 73
- Inventors
- 322
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 5 |
| 2003 | 7 | 5 |
| 2004 | 4 | 2 |
| 2005 | 2 | 5 |
| 2006 | 2 | 3 |
| 2007 | 2 | 2 |
| 2008 | 0 | 8 |
| 2009 | 1 | 7 |
| 2010 | 1 | 4 |
| 2011 | 3 | 8 |
| 2012 | 4 | 15 |
| 2013 | 5 | 8 |
| 2014 | 13 | 18 |
| 2015 | 16 | 4 |
| 2016 | 8 | 13 |
| 2017 | 8 | 16 |
| 2018 | 12 | 10 |
| 2019 | 5 | 16 |
| 2020 | 9 | 9 |
| 2021 | 6 | 12 |
| 2022 | 6 | 13 |
| 2023 | 4 | 8 |
| 2024 | 15 | 14 |
| 2025 | 6 | 6 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61F 13/2028Adapted to change of shape after absorption of liquid31
- A61F 13/2034Having grooves or ribs, having a main axis in the longitudinal direction29
- A61F 13/2037Having grooves or ribs, having a main axis in the radial direction22
- A61F 13/2045Cup-shaped type tampons21
- A61F 13/2031Having depressions or elevations19
- A61F 13/204Having an external member remaining outside the body cavity17
- A61F 13/2042Having a central tubular opening17
- A61F 13/2048Ball-shaped tampons12
All 9 subgroupsShow fewer
Recent patents
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- Reduced-leakage tampon27 Jan 2026US 12,533,268 B2Tampro Inc.
- Menstrual cup applicators and methods of using the same30 Dec 2025US 12,508,170 B2
- Reduced-leakage tampon30 Sep 2025US 12,427,069 B2Tampro Inc.
- Reduced-leakage tampon24 Sep 2026US 2026/0283859 A1Tampro Inc.
- Reduced-leakage tampon10 Sep 2026US 2026/0263289 A1Tampro Inc.
- Menstrual insert27 Aug 2026US 2026/0248659 A1
- Reduced-leakage tampon16 Jul 2026US 2026/0199144 A1Tampro Inc.
- Tampon with integrated device for improved insertion, and removal, and leak prevention19 Feb 2026US 2026/0047962 A1
Most cited
By later US patents