A61F 2013/530649
In sponge or foam
Official title: {in sponge or foam}
A61F2013/530649 (In sponge or foam) appears on 35 US grants and 43 published applications in this corpus.
Search patents in A61F- Granted patents
- 35
- Published applications
- 43
- Assignees
- 21
- Inventors
- 135
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 6 |
| 2016 | 1 | 3 |
| 2017 | 1 | 4 |
| 2018 | 2 | 4 |
| 2019 | 1 | 1 |
| 2020 | 1 | 7 |
| 2021 | 2 | 1 |
| 2022 | 2 | 3 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Absorbent cores for disposable absorbent articles7 Jul 2026US 12,672,989 B2Glatfelter Falkenhagen GmbH
- Sterilization of medical dressings with enhanced antimicrobial properties10 Mar 2026US 12,569,371 B2Hydrofera, LLC
- High throughput manufacture of polyurethane foam layers30 Sep 2025US 12,428,535 B2Mölnlycke Health Care AB
- Absorbent articles with channels19 Sep 2023US 11,759,376 B2The Procter & Gamble Company
- Absorbent articles with channels9 Aug 2022US 11,406,544 B2The Procter & Gamble Company
- Absorbent cores for disposable absorbent articles1 Oct 2026US 2026/0294699 A1Glatfelter Falkenhagen GmbH
- Low caliper absorbent article with lofty topsheet4 Jun 2026US 2026/0151277 A1The Procter & Gamble Company
- Saphenous vein compression systems and methods of use4 Dec 2025US 2025/0367017 A1Sun Scientific, Inc.
- Body-conformable absorbent articles with an elastic backsheet20 Nov 2025US 2025/0352409 A1The Procter & Gamble Company
- Composite absorbent body and polymeric absorber11 Apr 2024US 2024/0116263 A1Organo Corporation
Most cited
By later US patents
- Superabsorbent laminate structure177US 5,175,046 AChicopee · 1992
- Superabsorbent polymer having improved absorption rate and absorption under pressure104US 5,462,972 ANalco Chemical Company · 1995
- Superabsorbent polymer having improved absorption rate and absorption under pressure95US 5,314,420 ANalco Chemical Company · 1994
- Absorbent members for absorbing body liquids91US 6,590,136 B1The Procter & Gamble Company · 2003
- Superabsorbent polymer having improved absorption rate and absorption under pressure80US 5,451,613 ANalco Chemical Company · 1995