A61F 2013/530802
Characterized by the foam or sponge other than superabsorbent
Official title: {characterized by the foam or sponge other than superabsorbent (A61F2013/530649 takes precedence)}
A61F2013/530802 (Characterized by the foam or sponge other than superabsorbent) appears on 333 US grants and 179 published applications in this corpus.
Search patents in A61F- Granted patents
- 333
- Published applications
- 179
- Assignees
- 93
- Inventors
- 570
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 10 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 12 | 0 |
| 1989 | 10 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 14 | 0 |
| 1994 | 20 | 0 |
| 1995 | 9 | 0 |
| 1996 | 14 | 0 |
| 1997 | 13 | 0 |
| 1998 | 16 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 1 |
| 2002 | 5 | 3 |
| 2003 | 9 | 9 |
| 2004 | 7 | 4 |
| 2005 | 3 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 3 |
| 2009 | 0 | 3 |
| 2010 | 2 | 6 |
| 2011 | 2 | 6 |
| 2012 | 1 | 3 |
| 2013 | 2 | 2 |
| 2014 | 5 | 7 |
| 2015 | 5 | 10 |
| 2016 | 3 | 9 |
| 2017 | 6 | 29 |
| 2018 | 7 | 11 |
| 2019 | 3 | 10 |
| 2020 | 7 | 21 |
| 2021 | 15 | 8 |
| 2022 | 6 | 3 |
| 2023 | 11 | 5 |
| 2024 | 10 | 9 |
| 2025 | 5 | 5 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Absorbent cores and methods for forming absorbent cores22 Sep 2026US 12,740,897 B2Kimberly-Clark Worldwide, Inc.
- Absorbent article with plant protein based absorbent material17 Mar 2026US 12,576,180 B2Essity Hygiene and Health Aktiebolag
- Multi-layer urine capture device and related methods13 Jan 2026US 12,521,288 B2Purewick Corporation
- 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
- Expanding wound dressing17 Sep 2026US 2026/0272723 A1RevMedx, Inc.
- Absorbent article comprising a polymer foam cushion layer16 Jul 2026US 2026/0199150 A1The Procter & Gamble Company
- Nursing pad9 Jul 2026US 2026/0191696 A1Shenzhen Lute Jiacheng Supply Chain Management Co., Ltd.
- Low caliper absorbent article with lofty topsheet4 Jun 2026US 2026/0151277 A1The Procter & Gamble Company
- Absorbent articles including hipe foam imparted with color, and method of manufacture16 Apr 2026US 2026/0102535 A1The Procter & Gamble Company
Most cited
By later US patents
- Device for treating tissues, for example skin1,592US 4,382,441 A1983
- Irrigation dressing1,388US 5,358,494 A1994
- Wound dressing with conformable elastomeric wound contact layer1,263US 5,445,604 ASmith and Nephew Associated Companies Limited · 1995
- Adhesive-faced porous absorbent sheet and method of making same1,211US 4,906,240 AMatrix Medica, Inc. · 1990
- Wound dressing1,191US 4,664,662 ASmith and Nephew Associated Companies Limited · 1987