A61F 13/4756
The means consisting of grooves
Official title: {the means consisting of grooves, e.g. channels, depressions or embossments, resulting in a heterogeneous surface level}
A61F13/4756 (The means consisting of grooves) appears on 195 US grants and 262 published applications in this corpus.
Search patents in A61F- Granted patents
- 195
- Published applications
- 262
- Assignees
- 46
- Inventors
- 415
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 9 |
| 2003 | 9 | 8 |
| 2004 | 4 | 11 |
| 2005 | 1 | 4 |
| 2006 | 4 | 7 |
| 2007 | 2 | 3 |
| 2008 | 1 | 9 |
| 2009 | 5 | 8 |
| 2010 | 2 | 11 |
| 2011 | 11 | 16 |
| 2012 | 6 | 14 |
| 2013 | 7 | 20 |
| 2014 | 13 | 8 |
| 2015 | 22 | 21 |
| 2016 | 9 | 10 |
| 2017 | 8 | 9 |
| 2018 | 5 | 7 |
| 2019 | 11 | 7 |
| 2020 | 10 | 19 |
| 2021 | 5 | 12 |
| 2022 | 8 | 11 |
| 2023 | 6 | 14 |
| 2024 | 8 | 12 |
| 2025 | 4 | 5 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Absorbent article19 May 2026US 12,629,294 B2Daio Paper Corporation
- Disposable hygiene article with improved fit12 May 2026US 12,622,817 B2Essity Hygiene and Health Aktiebolag
- Absorbent article having flex bond channel regions12 May 2026US 12,622,823 B2The Procter & Gamble Company
- Absorbent article with apertured liquid acquisition layer and stabilizing elements8 Oct 2026US 2026/0306313 A1Essity Hygiene ang Health Aktiebolag
- Absorbent article having flex bond channel regions20 Aug 2026US 2026/0240695 A1The Procter & Gamble Company
- Absorbent article with channels and method for manufacturing thereof6 Aug 2026US 2026/0224413 A1Drylock Techonologies NV
- Absorbent articles and methods of making23 Jul 2026US 2026/0207398 A1Ontex BV
- Absorbent article with channels and method for manufacturing thereof25 Jun 2026US 2026/0174604 A1Drylock Technologies NV
Most cited
By later US patents
- Absorbent articles211US 5,514,104 AMcNeil-PPC, Inc. · 1996
- Absorbent structure having multiple canals194US 5,151,091 AMcNeil-PPC, Inc. · 1992
- Absorbent article158US 5,197,959 AThe Procter & Gamble Company · 1993
- Garment shield156US 5,807,365 AMcNeil-PPC, Inc. · 1998
- Disposable sanitary pad152US 5,312,386 AJohnson & Johnson · 1994