A61F 13/51401
Characterised by the material
Official title: {characterised by the material}
A61F13/51401 (Characterised by the material) appears on 938 US grants and 539 published applications in this corpus.
Search patents in A61F- Granted patents
- 938
- Published applications
- 539
- Assignees
- 211
- Inventors
- 1,543
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 11 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 15 | 0 |
| 1983 | 14 | 0 |
| 1984 | 8 | 0 |
| 1985 | 21 | 0 |
| 1986 | 30 | 0 |
| 1987 | 28 | 0 |
| 1988 | 24 | 0 |
| 1989 | 30 | 0 |
| 1990 | 21 | 0 |
| 1991 | 34 | 0 |
| 1992 | 28 | 0 |
| 1993 | 28 | 0 |
| 1994 | 39 | 0 |
| 1995 | 44 | 0 |
| 1996 | 38 | 0 |
| 1997 | 41 | 0 |
| 1998 | 38 | 0 |
| 1999 | 27 | 0 |
| 2000 | 25 | 0 |
| 2001 | 15 | 1 |
| 2002 | 18 | 33 |
| 2003 | 23 | 21 |
| 2004 | 14 | 16 |
| 2005 | 8 | 18 |
| 2006 | 3 | 14 |
| 2007 | 7 | 12 |
| 2008 | 5 | 7 |
| 2009 | 7 | 5 |
| 2010 | 5 | 14 |
| 2011 | 5 | 10 |
| 2012 | 11 | 23 |
| 2013 | 14 | 7 |
| 2014 | 13 | 18 |
| 2015 | 10 | 20 |
| 2016 | 14 | 24 |
| 2017 | 15 | 33 |
| 2018 | 12 | 28 |
| 2019 | 11 | 34 |
| 2020 | 24 | 54 |
| 2021 | 28 | 34 |
| 2022 | 18 | 31 |
| 2023 | 25 | 25 |
| 2024 | 30 | 26 |
| 2025 | 18 | 21 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Personal hygiene product22 Sep 2026US 12,740,899 B2Croda International PLC
- Patterned apertured nonwoven15 Sep 2026US 12,734,079 B2The Procter & Gamble Company
- Absorbent composites1 Sep 2026US 12,721,756 B2Magnera Corporation
- 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
- Super absorbent polymer film and absorbent article comprising the same14 Jul 2026US 12,678,346 B2LG Chem.Ltd.
- 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 article17 Sep 2026US 2026/0272726 A1KNH Enterprise, LLC
- Absorbent article having waist gasketing element3 Sep 2026US 2026/0256631 A1The Procter & Gamble Company
- Absorbent article with cellulosic structures30 Jul 2026US 2026/0215976 A1
- An absorbent article having standing gathers and leg cuffs23 Jul 2026US 2026/0207395 A1Essity Hygiene and Health Aktiebolag
Most cited
By later US patents
- Disposable incontinence garment or training pant1,298US 4,940,464 AKimberly-Clark Corporation · 1990
- Thin-unit-wet absorbent foam materials for aqueous body fluids and process for making same1,130US 5,387,207 AThe Procter & Gamble Company · 1995
- Absorbent articles with dual-layered cores968US 4,673,402 AThe Procter & Gamble Company · 1987
- Web materials exhibiting elastic-like behavior816US 5,518,801 AThe Procter & Gamble Company · 1996
- Absorbent article having a hydrophobic transport layer802US 4,798,603 AKimberly-Clark Corporation · 1989