A61F 2013/1543
With a density gradient in the horizontal plane
Official title: {with a density gradient in the horizontal plane}
A61F2013/1543 (With a density gradient in the horizontal plane) appears on 60 US grants and 60 published applications in this corpus.
Search patents in A61F- Granted patents
- 60
- Published applications
- 60
- Assignees
- 22
- Inventors
- 156
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 16 |
| 2004 | 0 | 8 |
| 2005 | 3 | 5 |
| 2006 | 1 | 3 |
| 2007 | 2 | 3 |
| 2008 | 2 | 3 |
| 2009 | 0 | 3 |
| 2010 | 4 | 3 |
| 2011 | 3 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 1 |
| 2018 | 1 | 5 |
| 2019 | 1 | 0 |
| 2020 | 3 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shaped nonwoven24 Feb 2026US 12,558,267 B2The Procter & Gamble Company
- Absorbent article24 Sep 2024US 12,097,098 B2Essity Hygiene and Health Akitebolag
- Shaped nonwoven28 May 2024US 11,992,393 B2The Procter & Gamble Company
- Shaped nonwoven16 Jan 2024US 11,872,112 B2The Procter & Gamble Company
- Shaped nonwoven6 Jun 2023US 11,666,488 B2The Procter & Gamble Company
- Shaped Nonwoven14 Mar 2024US 2024/0082070 A1The Procter & Gamble Company
- Shaped Nonwoven7 Sep 2023US 2023/0277389 A1The Procter & Gamble Company
- Absorbent article17 Nov 2022US 2022/0362065 A1Essity Hygiene and Health Aktiebolag
- Shaped Nonwoven19 May 2022US 2022/0151837 A1The Procter & Gamble Company
- Shaped Nonwoven28 Oct 2021US 2021/0330512 A1The Procter & Gamble Company
Most cited
By later US patents
- High density absorbent members having lower density and lower basis weight acquisition zones1,072US 4,834,735 AThe Proctor & Gamble Company · 1989
- Absorbent members having improved fluid distribution via low density and basis weight acquisition zones228US 5,348,547 AThe Procter & Gamble Company · 1994
- Tampon especially for feminine hygiene and a process and apparatus for producing this217US 6,310,269 B1McNeil-PPC, Inc. · 2001
- Disposable absorbent article having an improved topsheet191US 6,545,197 B1The Procter & Gamble Company · 2003
- Facing for absorptive articles and process for making it180US 4,704,112 AUni-Charm Corporation · 1987