A61F 13/5121
Characterised by the vertical shape of the apertures
Official title: {characterised by the vertical shape of the apertures, e.g. three dimensional apertures, e.g. macro-apertures}
A61F13/5121 (Characterised by the vertical shape of the apertures) appears on 110 US grants and 161 published applications in this corpus.
Search patents in A61F- Granted patents
- 110
- Published applications
- 161
- Assignees
- 19
- Inventors
- 205
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 2 | 3 |
| 2012 | 2 | 7 |
| 2013 | 1 | 2 |
| 2014 | 1 | 4 |
| 2015 | 6 | 14 |
| 2016 | 3 | 20 |
| 2017 | 8 | 9 |
| 2018 | 4 | 16 |
| 2019 | 12 | 18 |
| 2020 | 13 | 12 |
| 2021 | 12 | 9 |
| 2022 | 6 | 9 |
| 2023 | 1 | 2 |
| 2024 | 11 | 8 |
| 2025 | 10 | 7 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Three-dimensional nonwoven materials and methods of manufacturing thereof30 Jun 2026US 12,667,502 B2Kimberly-Clark Worldwide, Inc.
- Absorbent article with improved laminate topsheet16 Jun 2026US 12,653,729 B2The Procter & Gamble Company
- Absorbent articles having an apertured topsheet comprising cellulose-based fibers2 Jun 2026US 12,642,713 B2The Procter & Gamble Company
- Feminine hygiene pad with differing functional arrangements of topsheet apertures12 May 2026US 12,622,820 B2The Procter & Gamble Company
- Laminate webs and absorbent articles having the same17 Mar 2026US 12,575,980 B2The Procter & Gamble Company
- Three-dimensional nonwoven materials and methods of manufacturing thereof24 Sep 2026US 2026/0283866 A1Kimberly-Clark Worldwide, Inc.
- Absorbent article with improved laminate topsheet10 Sep 2026US 2026/0263293 A1The Procter & Gamble Company
- Absorbent articles having apertured, three-dimensional materials and methods for making same29 Jan 2026US 2026/0026981 A1The Procter & Gamble Company
- Composite sheet material for use as acquisition distribution layer in an absorbent article19 Jun 2025US 2025/0196465 A1Fitesa Film Products LLC
- Three-dimensional nonwoven materials and methods of manufacturing thereof15 May 2025US 2025/0152432 A1Kimberly-Clark Worldwide, Inc.
Most cited
By later US patents
- 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
- Liquid distribution unit and absorbent product having the same123US 7,935,861 B2Japan Absorbent Technology Institute · 2011
- Non-woven sheet, manufacturing method thereof and absorbent article104US 9,095,477 B2Unicharm Corporation · 2015
- Breathable structural web and breathable structural web-forming apparatus97US 9,877,876 B22018
- Process for forming apertured nonwoven fabric prepared from melt blown microfibers91US 5,369,858 AFiberweb North America, Inc. · 1994