A61F 2013/51372
With valve or valve-like upper layer
Official title: {with valve or valve-like upper layer; Tapered capillary structures}
A61F2013/51372 (With valve or valve-like upper layer) appears on 33 US grants and 15 published applications in this corpus.
Search patents in A61F- Granted patents
- 33
- Published applications
- 15
- Assignees
- 20
- Inventors
- 68
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-layered non-woven structure for use as a component of disposable absorbent articles7 Jul 2026US 12,672,987 B2Twe Meulebeke
- Urine collection systems, and methods of making and using the same1 Jul 2025US 12,343,245 B2
- Peel and place dressing for negative-pressure therapy21 Mar 2023US 11,607,342 B2KCI Licensing, Inc.
- Fluid distribution material for absorbent articles2 Nov 2021US 11,160,697 B2Fitesa Film Products LLC
- Assembly features and methods for a peel-and-place dressing for use with negative-pressure treatment9 Mar 2021US 10,940,048 B2KCI Licensing, Inc.
- Multi-layered non-woven structure for use as a component of disposable absorbent articles16 Jul 2026US 2026/0199148 A1Twe Meulebeke
- Nonwoven and absorbent articles having the same22 Jan 2026US 2026/0020994 A1The Procter & Gamble Company
- Urine collection systems, and methods of making and using the same25 Jan 2024US 2024/0024170 A1
- Peel and place dressing for negative-pressure therapy22 Jun 2023US 2023/0190533 A1KCI Licensing, Inc.
- Multi-layered non-woven structure for use as a component of disposable absorbent articles21 Oct 2021US 2021/0322232 A1Twe Meulebeke
Most cited
By later US patents
- Absorbent article having blended multi-layer absorbent structure with improved integrity271US 5,460,622 AThe Procter & Gamble Company · 1995
- Flow distribution system for absorbent pads220US 4,908,026 AKimberly-Clark Corporation · 1990
- Absorptive devices having porous backsheet197US 3,989,867 AThe Procter & Gamble Company · 1976
- Absorbent article having blended absorbent core175US 5,681,300 AThe Procter & Gamble Company · 1997
- Macroscopically expanded three-dimensional polymeric web for transmitting both dynamically deposited and statically contacted fluids from one surface to the other170US 4,637,819 AThe Procter & Gamble Company · 1987