A61F 2013/53081
With special pore dimension or arrangement
Official title: {with special pore dimension or arrangement}
A61F2013/53081 (With special pore dimension or arrangement) appears on 80 US grants and 76 published applications in this corpus.
Search patents in A61F- Granted patents
- 80
- Published applications
- 76
- Assignees
- 26
- Inventors
- 203
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 5 | 3 |
| 2004 | 6 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 2 | 3 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 5 |
| 2016 | 0 | 4 |
| 2017 | 1 | 16 |
| 2018 | 2 | 4 |
| 2019 | 3 | 3 |
| 2020 | 3 | 13 |
| 2021 | 6 | 1 |
| 2022 | 1 | 1 |
| 2023 | 5 | 2 |
| 2024 | 4 | 5 |
| 2025 | 3 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Absorbent article with plant protein based absorbent material17 Mar 2026US 12,576,180 B2Essity Hygiene and Health Aktiebolag
- Absorbent structure9 Dec 2025US 12,491,123 B2The Procter & Gamble Company
- Packaged feminine hygiene pad product adapted for discreet carry and access, and manufacturing process12 Aug 2025US 12,383,442 B2The Procter & Gamble Company
- High internal phase emulsion foam having cellulose nanoparticles3 Jun 2025US 12,319,804 B2Case Western Reserve University
- Absorbent articles including HIPE foam enhanced with clay nanoplatelets, and method of manufacture29 Oct 2024US 12,128,157 B2The Procter & Gamble Company
- Nursing pad9 Jul 2026US 2026/0191696 A1Shenzhen Lute Jiacheng Supply Chain Management Co., Ltd.
- Absorbent articles including hipe foam imparted with color, and method of manufacture16 Apr 2026US 2026/0102535 A1The Procter & Gamble Company
- Body-conformable absorbent articles with an elastic backsheet20 Nov 2025US 2025/0352409 A1The Procter & Gamble Company
- Absorbent articles including hipe foam enhanced with clay nanoplatelets, and method of manufacture16 Jan 2025US 2025/0018090 A1The Procter & Gamble Company
- Feminine hygiene pad with foam absorbent layer component and improved body conformity21 Nov 2024US 2024/0382353 A1The Procter & Gamble Company
Most cited
By later US patents
- Adhesive-faced porous absorbent sheet and method of making same1,211US 4,906,240 AMatrix Medica, Inc. · 1990
- Wound dressing having a porous structure1,163US 5,298,015 ANippon Zeon Co., Ltd. · 1994
- Thin-unit-wet absorbent foam materials for aqueous body fluids and process for making same1,130US 5,387,207 AThe Procter & Gamble Company · 1995
- High efficiency absorbent articles for incontinence management776US 5,147,345 AThe Procter & Gamble Company · 1992
- Absorbent foam materials for aqueous body fluids and absorbent articles containing such materials745US 5,260,345 AThe Procter & Gamble Company · 1993