A61F 13/51
Characterised by the outer layers of the pads
Official title: characterised by the outer layers of the pads (A61F13/20 takes precedence)
A61F13/51 (Characterised by the outer layers of the pads) appears on 3,583 US grants and 3,552 published applications in this corpus.
Search patents in A61F- Granted patents
- 3,583
- Published applications
- 3,552
- Assignees
- 544
- Inventors
- 4,968
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 21 | 0 |
| 1978 | 17 | 0 |
| 1979 | 5 | 0 |
| 1980 | 16 | 0 |
| 1981 | 17 | 0 |
| 1982 | 31 | 0 |
| 1983 | 27 | 0 |
| 1984 | 17 | 0 |
| 1985 | 35 | 0 |
| 1986 | 50 | 0 |
| 1987 | 47 | 0 |
| 1988 | 51 | 0 |
| 1989 | 55 | 0 |
| 1990 | 46 | 0 |
| 1991 | 59 | 0 |
| 1992 | 44 | 0 |
| 1993 | 53 | 0 |
| 1994 | 77 | 0 |
| 1995 | 82 | 0 |
| 1996 | 86 | 0 |
| 1997 | 109 | 0 |
| 1998 | 99 | 0 |
| 1999 | 84 | 0 |
| 2000 | 74 | 0 |
| 2001 | 73 | 31 |
| 2002 | 86 | 120 |
| 2003 | 114 | 139 |
| 2004 | 67 | 119 |
| 2005 | 45 | 128 |
| 2006 | 35 | 90 |
| 2007 | 48 | 85 |
| 2008 | 38 | 101 |
| 2009 | 39 | 70 |
| 2010 | 53 | 95 |
| 2011 | 68 | 113 |
| 2012 | 72 | 131 |
| 2013 | 93 | 109 |
| 2014 | 104 | 134 |
| 2015 | 108 | 175 |
| 2016 | 110 | 172 |
| 2017 | 97 | 224 |
| 2018 | 86 | 205 |
| 2019 | 117 | 219 |
| 2020 | 160 | 248 |
| 2021 | 157 | 176 |
| 2022 | 123 | 160 |
| 2023 | 137 | 137 |
| 2024 | 143 | 166 |
| 2025 | 112 | 111 |
| 2026 | 77 | 94 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61F 13/511Topsheet, i.e. the permeable cover or layer facing the skin2,212
- A61F 13/514Backsheet, i.e. the impermeable cover or layer furthest from the skin1,801
- A61F 2013/51002With special fibresIndexing code458
- A61F 13/515Characterised by the interconnection of the topsheet and the backsheet378
- A61F 2013/51059Being sprayed with chemicalsIndexing code256
- A61F 2013/51078Being embossedIndexing code251
- A61F 2013/51092Characterized by the dimensionsIndexing code46
- A61F 2013/5109With odour controlIndexing code31
Recent patents
- Personal hygiene product22 Sep 2026US 12,740,899 B2Croda International PLC
- Non-invasive apparatuses for mitigating pressure applied to a human body and associated systems and methods22 Sep 2026US 12,740,900 B2TurnCare, Inc.
- Patterned apertured nonwoven15 Sep 2026US 12,734,079 B2The Procter & Gamble Company
- Absorbent composites1 Sep 2026US 12,721,756 B2Magnera Corporation
- Elastomeric laminate(s) for absorbent article donning1 Sep 2026US 12,721,760 B2The Procter & Gamble Company
- Elastomeric laminate(s) for absorbent article donning8 Oct 2026US 2026/0306309 A1The Procter & Gamble Company
- Absorbent article8 Oct 2026US 2026/0306311 A1Livedo Corporation
- Patterned Apertured Webs8 Oct 2026US 2026/0306312 A1The Procter & Gamble Company
- Non-woven of spunbonded thermoplastic filaments having improved weldability properties and method for manufacturing such a non-woven8 Oct 2026US 2026/0306698 A1Dounor SAS
- Absorbent article having a waist gasketing element1 Oct 2026US 2026/0294693 A1The Procter & Gamble Company
Most cited
By later US patents
- Disposable incontinence garment or training pant1,298US 4,940,464 AKimberly-Clark Corporation · 1990
- Wound dressing with conformable elastomeric wound contact layer1,263US 5,445,604 ASmith and Nephew Associated Companies Limited · 1995
- Tufted fibrous web1,198US 7,682,686 B2The Procter & Gamble Company · 2010
- Bandage apparatus for treating burns1,162US 4,139,004 A1979
- Absorbent article with dynamic elastic waist feature having a predisposed resilient flexural hinge1,158US 5,151,092 AThe Procter & Gamble Company · 1992