A61F 13/49446
The edge leakage prevention means being an impermeable sheet or impermeable part
Official title: {the edge leakage prevention means being an impermeable sheet or impermeable part of a sheet placed on or under the top sheet (A61F13/49413 takes precedence)}
A61F13/49446 (The edge leakage prevention means being an impermeable sheet or impermeable part) appears on 74 US grants and 77 published applications in this corpus.
Search patents in A61F- Granted patents
- 74
- Published applications
- 77
- Assignees
- 32
- Inventors
- 192
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 4 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 7 |
| 2010 | 1 | 5 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 2 | 5 |
| 2014 | 0 | 2 |
| 2015 | 5 | 6 |
| 2016 | 2 | 2 |
| 2017 | 3 | 3 |
| 2018 | 0 | 4 |
| 2019 | 3 | 1 |
| 2020 | 3 | 5 |
| 2021 | 1 | 6 |
| 2022 | 2 | 8 |
| 2023 | 2 | 3 |
| 2024 | 2 | 5 |
| 2025 | 5 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Absorbent sanitary article and a method for producing the same5 May 2026US 12,616,612 B2Fameccanica. Data S.p.A.
- Absorbent pad for a garment10 Mar 2026US 12,569,379 B2Mas Innovation (Private) Limited
- Pant-type absorbent article and manufacturing method thereof4 Nov 2025US 12,458,545 B2The Procter & Gamble Company
- Pant-type absorbent article and manufacturing method thereof14 Oct 2025US 12,440,395 B2The Procter & Gamble Company
- Absorbent article including absorbent body and front exterior body disposed in front waistline region on non-skin surface side of absorbent body26 Aug 2025US 12,396,902 B2Unicharm Corporation
- Method and apparatus for the manufacture of absorbent article with transversal barrier12 Feb 2026US 2026/0041589 A1
- Pant-type absorbent article and manufacturing method thereof5 Feb 2026US 2026/0033995 A1The Procter & Gamble Company
- Pant-type absorbent article and manufacturing method thereof28 Aug 2025US 2025/0268766 A1The Procter & Gamble Company
- Pant-type absorbent article with composite isolation sheet12 Jun 2025US 2025/0186272 A1The Procter & Gamble Company
- Absorbent pad for a garment13 Feb 2025US 2025/0049618 A1Mas Innovation (Private) Limited
Most cited
By later US patents
- Disposable absorbent article having elasticized flaps provided with leakage resistant portions769US 4,909,803 AThe Procter & Gamble Company · 1990
- Disposable absorbent article having elasticized flaps provided with leakage resistant portions495US 4,808,178 AThe Proctor & Gamble Company · 1989
- Stretchable disposable absorbent undergarment305US 4,747,846 AKimberly-Clark Corporation · 1988
- Absorbent article having a pocket cuff218US 5,397,318 AThe Procter & Gamble Company · 1995
- Elasticized waist integration member for disposable absorbent garments216US 4,808,176 AKimberly-Clark Corporation · 1989