A61F 13/53409
Having a folded core
Official title: {having a folded core}
A61F13/53409 (Having a folded core) appears on 214 US grants and 158 published applications in this corpus.
Search patents in A61F- Granted patents
- 214
- Published applications
- 158
- Assignees
- 74
- Inventors
- 427
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 3 |
| 2002 | 4 | 5 |
| 2003 | 6 | 10 |
| 2004 | 4 | 16 |
| 2005 | 2 | 7 |
| 2006 | 3 | 7 |
| 2007 | 5 | 3 |
| 2008 | 5 | 7 |
| 2009 | 3 | 3 |
| 2010 | 4 | 5 |
| 2011 | 2 | 1 |
| 2012 | 3 | 8 |
| 2013 | 4 | 2 |
| 2014 | 6 | 4 |
| 2015 | 3 | 10 |
| 2016 | 6 | 7 |
| 2017 | 3 | 12 |
| 2018 | 3 | 8 |
| 2019 | 6 | 2 |
| 2020 | 6 | 15 |
| 2021 | 5 | 7 |
| 2022 | 2 | 5 |
| 2023 | 3 | 2 |
| 2024 | 3 | 2 |
| 2025 | 4 | 2 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-layer absorbent cores and methods of manufacture23 Jun 2026US 12,661,277 B2Kimberly-Clark Worldwide, Inc.
- Absorbent core for an absorbent article20 Jan 2026US 12,527,702 B2Ontex BV
- Origami patterns for diapers4 Nov 2025US 12,458,544 B2Brigham Young University
- Anti-stain absorption pad for underpants and underpants comprising the same26 Aug 2025US 12,396,903 B2Artemis Medical Devices Co., Ltd.
- Absorbent laminates, absorbent cores and disposable articles utilizing the absorbent laminates, and related methods20 May 2025US 12,303,369 B2Attends Healthcare Products, Inc.
- Absorbent article with improved core wrap13 Aug 2026US 2026/0232499 A1Drylock Technologies NV
- Absorbent article with channels and method for manufacturing thereof6 Aug 2026US 2026/0224413 A1Drylock Techonologies NV
- Absorbent article with channels and method for manufacturing thereof25 Jun 2026US 2026/0174604 A1Drylock Technologies NV
- Absorbent Assembly for Washable Absorbent Undergarment7 May 2026US 2026/0124081 A1Essity Hygiene and Health Aktiebolag
- Absorbent article with transversal barrier12 Feb 2026US 2026/0041591 A1
Most cited
By later US patents
- Absorbent article with dynamic elastic waist feature having a predisposed resilient flexural hinge1,158US 5,151,092 AThe Procter & Gamble Company · 1992
- Absorbent article with dynamic elastic waist feature having a predisposed resilient flexural hinge727US 5,221,274 AThe Procter & Gamble Company · 1993
- Absorbent article with dynamic elastic waist feature having a predisposed resilient flexural hinge386US 5,591,152 AThe Procter & Gamble Company · 1997
- Absorbent article with dynamic elastic waist feature having a predisposed resilient flexural hinge333US 5,499,978 AThe Procter & Gamble Company · 1996
- Absorbent article with elasticized side panels273US 5,674,216 AThe Procter & Gamble Company · 1997