A61F 2013/51441
Being a fibrous material
Official title: {being a fibrous material}
A61F2013/51441 (Being a fibrous material) appears on 217 US grants and 172 published applications in this corpus.
Search patents in A61F- Granted patents
- 217
- Published applications
- 172
- Assignees
- 71
- Inventors
- 479
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 12 | 0 |
| 1996 | 16 | 0 |
| 1997 | 13 | 0 |
| 1998 | 14 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 0 |
| 2002 | 1 | 4 |
| 2003 | 3 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 7 |
| 2011 | 0 | 2 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 3 | 6 |
| 2016 | 2 | 7 |
| 2017 | 3 | 13 |
| 2018 | 2 | 7 |
| 2019 | 2 | 16 |
| 2020 | 7 | 29 |
| 2021 | 8 | 16 |
| 2022 | 4 | 12 |
| 2023 | 13 | 10 |
| 2024 | 17 | 16 |
| 2025 | 11 | 13 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61F 2013/51452Being nonwovensIndexing code73
- A61F 2013/51443Being impervious to fluids and being air permeableIndexing code57
- A61F 2013/5145Being treated materialsIndexing code19
- A61F 2013/51447Being air permeableIndexing code15
- A61F 2013/51449Being knitted or woven fabricsIndexing code10
- A61F 2013/51454Being papersIndexing code10
Recent patents
- Patterned apertured nonwoven15 Sep 2026US 12,734,079 B2The Procter & Gamble Company
- Non-woven of spunbonded thermoplastic filaments having improved weldability properties and method for manufacturing such a non-woven28 Jul 2026US 12,691,198 B2Dounor SAS
- Breathable absorbent article24 Feb 2026US 12,558,273 B2Allegiance Corporation
- Shaped nonwoven16 Dec 2025US 12,496,238 B2The Procter & Gamble Company
- Absorbent article with closure mechanism28 Oct 2025US 12,453,661 B2The Procter & Gamble Company
- Non-woven of spunbonded thermoplastic filaments having improved weldability properties and method for manufacturing such a non-woven8 Oct 2026US 2026/0306698 A1Dounor SAS
- Absorbent article having waist gasketing element3 Sep 2026US 2026/0256631 A1The Procter & Gamble Company
- An absorbent article having standing gathers and leg cuffs23 Jul 2026US 2026/0207395 A1Essity Hygiene and Health Aktiebolag
- Breathable absorbent article25 Jun 2026US 2026/0174605 A1Allegiance Corporation
- Environmentally-friendly absorbent article with fastening system16 Oct 2025US 2025/0318966 A1
Most cited
By later US patents
- Absorbent article having a hydrophobic transport layer802US 4,798,603 AKimberly-Clark Corporation · 1989
- Absorbent article having a liner which exhibits improved softness and dryness, and provides for rapid uptake of liquid374US 5,192,606 AKimberly-Clark Corporation · 1993
- Absorbent article with dynamic elastic waist feature comprising an expansive tummy panel332US 5,507,736 AThe Procter & Gamble Company · 1996
- Absorbent structure having improved fluid surge management and product incorporating same271US 5,364,382 AKimberly-Clark Corporation · 1994
- Absorbent article having blended multi-layer absorbent structure with improved integrity271US 5,460,622 AThe Procter & Gamble Company · 1995