A61F 2013/51411
Being impervious to fluids but not for air or vapours
Official title: {being impervious to fluids but not for air or vapours}
A61F2013/51411 (Being impervious to fluids but not for air or vapours) appears on 188 US grants and 71 published applications in this corpus.
Search patents in A61F- Granted patents
- 188
- Published applications
- 71
- Assignees
- 50
- Inventors
- 362
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 14 | 0 |
| 1994 | 20 | 0 |
| 1995 | 13 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 0 |
| 2002 | 0 | 11 |
| 2003 | 5 | 3 |
| 2004 | 4 | 3 |
| 2005 | 1 | 6 |
| 2006 | 1 | 2 |
| 2007 | 2 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 3 |
| 2012 | 1 | 0 |
| 2013 | 4 | 1 |
| 2014 | 2 | 4 |
| 2015 | 1 | 3 |
| 2016 | 1 | 6 |
| 2017 | 3 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 6 |
| 2021 | 7 | 6 |
| 2022 | 1 | 3 |
| 2023 | 4 | 3 |
| 2024 | 3 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61F 2013/51415With poresIndexing code27
- A61F 2013/51417With thin filmsIndexing code22
- A61F 2013/51421Only in special placesIndexing code21
- A61F 2013/51423The vapour permeability being less than 500g/m/24hIndexing code16
- A61F 2013/51413With macroscopic openingsIndexing code11
- A61F 2013/51425Being impervious, i.e. occlusiveIndexing code4
Recent patents
- Personal hygiene product22 Sep 2026US 12,740,899 B2Croda International PLC
- Highly extensible nonwoven webs and absorbent articles having such webs20 May 2025US 12,303,361 B2The Procter & Gamble Company
- Wetness indicator free from halogen-containing species11 Mar 2025US 12,245,922 B2Bostik SA
- Absorbent articles having fully removable fastening members10 Dec 2024US 12,161,538 B2The Procter & Gamble Company
- Diaper product adapted for collection of exudate sample from an infant26 Mar 2024US 11,938,009 B2The Procter & Gamble Company
- Absorbent article17 Sep 2026US 2026/0272726 A1KNH Enterprise, LLC
- Highly Extensible Nonwoven Webs and Absorbent Articles Having Such Webs24 Jul 2025US 2025/0235358 A1The Procter & Gamble Company
- Absorbent Articles Having Fully Removable Fastening Members19 Dec 2024US 2024/0415705 A1The Procter & Gamble Company
- Pressure-embossing26 Sep 2024US 2024/0315884 A1Rkw SE
- Highly Extensible Nonwoven Webs and Absorbent Articles Having Such Webs16 May 2024US 2024/0156649 A1The Procter & Gamble Company
Most cited
By later US patents
- Disposable incontinence garment or training pant1,298US 4,940,464 AKimberly-Clark Corporation · 1990
- Absorbent article having a hydrophobic transport layer802US 4,798,603 AKimberly-Clark Corporation · 1989
- Absorbent article having breathable side panels711US 5,571,096 AThe Procter & Gamble Company · 1996
- Trisection topsheets for disposable absorbent articles and disposable absorbent articles having such trisection topsheets643US 5,269,775 AThe Procter & Gamble Company · 1993
- Thin, flexible sanitary napkin593US 4,950,264 AThe Procter & Gamble Company · 1990