A61F 13/53436
Having an undulated or corrugated cross-section
Official title: {having an undulated or corrugated cross-section}
A61F13/53436 (Having an undulated or corrugated cross-section) appears on 54 US grants and 65 published applications in this corpus.
Search patents in A61F- Granted patents
- 54
- Published applications
- 65
- Assignees
- 30
- Inventors
- 149
- Latest grant
- 7 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 1 |
| 2003 | 1 | 6 |
| 2004 | 2 | 9 |
| 2005 | 2 | 4 |
| 2006 | 2 | 3 |
| 2007 | 4 | 3 |
| 2008 | 2 | 2 |
| 2009 | 3 | 1 |
| 2010 | 3 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 5 |
| 2016 | 2 | 4 |
| 2017 | 1 | 2 |
| 2018 | 3 | 1 |
| 2019 | 3 | 0 |
| 2020 | 1 | 7 |
| 2021 | 0 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for manufacturing an absorbent article with channels7 Nov 2023US 11,806,220 B2Drylock Technologies NV
- Absorbent article with channels and method for manufacturing thereof17 May 2022US 11,331,228 B2Drylock Technologies NV
- Absorbent article27 Oct 2020US 10,813,800 B2Daio Paper Corporation
- Flexible absorbent pad17 Dec 2019US 10,507,259 B2First Quality Retail Services, LLC
- Absorbent articles having substrates having zonal treatments30 Apr 2019US 10,271,997 B2The Procter & Gamble Company
- 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
- Bladder control article for leakage cessation7 Mar 2024US 2024/0074920 A1
- Absorbent article with channels and method for manufacturing thereof28 Jul 2022US 2022/0233364 A1Drylock Technologies NV
Most cited
By later US patents
- Tufted laminate web158US 7,410,683 B2The Procter & Gamble Company · 2008
- Method for making a liquid absorbent pad144US 5,662,634 AUni-Charm Corporation · 1997
- Disposable diaper with a supplemental insert137US 4,022,210 A1977
- Tufted laminate web124US 7,172,801 B2The Procter & Gamble Company · 2007
- Absorbent padding for undergarments110US 5,683,374 AUni-Charm Corporation · 1997