A61F 13/2037
Having grooves or ribs, having a main axis in the radial direction
Official title: {having grooves or ribs, having a main axis in the radial direction}
A61F13/2037 (Having grooves or ribs, having a main axis in the radial direction) appears on 22 US grants and 26 published applications in this corpus.
Search patents in A61F- Granted patents
- 22
- Published applications
- 26
- Assignees
- 9
- Inventors
- 38
- Latest grant
- 27 Jan 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 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 2 | 4 |
| 2015 | 5 | 0 |
| 2016 | 0 | 3 |
| 2017 | 2 | 2 |
| 2018 | 3 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reduced-leakage tampon27 Jan 2026US 12,533,268 B2Tampro Inc.
- Reduced-leakage tampon30 Sep 2025US 12,427,069 B2Tampro Inc.
- Menstrual device and applicator system15 Oct 2024US 12,115,047 B2Edgewell Personal Care Brands, LLC
- Shaped tampon13 Aug 2024US 12,059,331 B2Johnson & Johnson
- Menstrual device and applicator system19 Jul 2022US 11,389,337 B2Edgewell Personal Care Brands, LLC
- Reduced-leakage tampon10 Sep 2026US 2026/0263289 A1Tampro Inc.
- 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
- Menstrual device and applicator system9 Jan 2025US 2025/0009568 A1Edgewell Personal Care Brands, LLC
- Reduced-leakage tampon8 Feb 2024US 2024/0041664 A1Tampro Inc.
Most cited
By later US patents
- Foam aggregate catamenial tampon64US 3,994,298 AThe Procter & Gamble Company · 1976
- Absorbent devices61US 4,475,911 AThe Procter & Gamble Company · 1984
- Catamenial tampon30US 4,018,225 AThe Gillette Company · 1977
- Tampon having spirally shaped grooves26US 8,735,647 B2Eveready Battery Company, Inc. · 2014
- Tampon having spirally shaped grooves19US 9,125,771 B2Eveready Battery Company, Inc. · 2015