A61F 13/2071
Characterised by the material or the structure of the outer layer
Official title: {characterised by the material or the structure of the outer layer}
A61F13/2071 (Characterised by the material or the structure of the outer layer) appears on 68 US grants and 85 published applications in this corpus.
Search patents in A61F- Granted patents
- 68
- Published applications
- 85
- Assignees
- 38
- Inventors
- 188
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 5 |
| 2009 | 2 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 6 |
| 2013 | 3 | 5 |
| 2014 | 7 | 7 |
| 2015 | 6 | 1 |
| 2016 | 6 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 3 |
| 2019 | 0 | 2 |
| 2020 | 0 | 4 |
| 2021 | 4 | 6 |
| 2022 | 1 | 11 |
| 2023 | 2 | 6 |
| 2024 | 10 | 4 |
| 2025 | 3 | 8 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bi-directionally positionable tampon24 Mar 2026US 12,582,559 B2Outasite, LLC
- Delivery systems for control of bleeding in transurethral prostatectomy30 Dec 2025US 12,508,171 B2Oregon Health & Science University
- Tubular tampon and method of manufacturing same15 Jul 2025US 12,357,510 B2Anne's Day Ltd
- Tampon with applicator substantially free of components derived from petroleum25 Feb 2025US 12,232,936 B2The Procter & Gamble Company
- Sanitary tampon31 Dec 2024US 12,178,688 B2
- Tampon with integrated device for improved insertion, and removal, and leak prevention19 Feb 2026US 2026/0047962 A1
- Tampon including secondary absorbent20 Nov 2025US 2025/0352404 A1The Procter & Gamble Company
- Tampon including secondary absorbent20 Nov 2025US 2025/0352405 A1The Procter & Gamble Company
- Tampon including secondary absorbent20 Nov 2025US 2025/0352406 A1The Procter & Gamble Company
- Functionalized nanomaterial for medical analyte collection18 Sep 2025US 2025/0288285 A1Cellect Laboratories Inc.
Most cited
By later US patents
- Hollow cotton roll135US 4,233,025 A1980
- Tampon for medical or hygienic purposes and method of making the same78US 5,201,326 AVP-Schickedanz AG · 1993
- Article for packing body cavities53US 6,183,436 B2Ultracell Medical Technologies of Connecticut, Inc. · 2001
- Medical absorbent pack substantially free of unwanted adhesion properties46US 6,191,341 B12001
- Rapid expansion tampon pledget45US 6,595,974 B1Playtex Products, Inc. · 2003