A61F 13/4758
The means preventing fluid flow in a longitudinal direction
Official title: {the means preventing fluid flow in a longitudinal direction}
A61F13/4758 (The means preventing fluid flow in a longitudinal direction) appears on 124 US grants and 125 published applications in this corpus.
Search patents in A61F- Granted patents
- 124
- Published applications
- 125
- Assignees
- 28
- Inventors
- 264
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 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 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 10 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 4 |
| 2003 | 7 | 6 |
| 2004 | 3 | 4 |
| 2005 | 2 | 6 |
| 2006 | 4 | 5 |
| 2007 | 1 | 2 |
| 2008 | 2 | 5 |
| 2009 | 2 | 2 |
| 2010 | 2 | 9 |
| 2011 | 6 | 5 |
| 2012 | 5 | 8 |
| 2013 | 3 | 5 |
| 2014 | 7 | 3 |
| 2015 | 5 | 6 |
| 2016 | 2 | 4 |
| 2017 | 4 | 8 |
| 2018 | 3 | 10 |
| 2019 | 4 | 4 |
| 2020 | 3 | 3 |
| 2021 | 5 | 6 |
| 2022 | 1 | 6 |
| 2023 | 1 | 7 |
| 2024 | 2 | 0 |
| 2025 | 7 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Absorbent article having rapid acquiring, multiple layer absorbent core223US 5,439,458 AThe Procter & Gamble Company · 1995
- Absorbent articles211US 5,514,104 AMcNeil-PPC, Inc. · 1996
- Winged napkin having cross-channeling192US 4,936,839 AMcNeil-PPC, Inc. · 1990
- Absorbent article having rapid acquiring, multiple layer absorbent core190US 5,304,161 AThe Procter & Gamble Company · 1994
- Absorbent article with center fill performance186US 7,429,689 B2Kimberly-Clark Worldwide, Inc. · 2008