D21F 11/008
Making apertured paper
Official title: {Making apertured paper}
D21F11/008 (Making apertured paper) appears on 25 US grants and 21 published applications in this corpus.
Search patents in D21F- Granted patents
- 25
- Published applications
- 21
- Assignees
- 10
- Inventors
- 34
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 6 |
| 2020 | 1 | 1 |
| 2021 | 6 | 3 |
| 2022 | 2 | 0 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sanitary tissue product with a shaped line of weakness22 Jul 2025US 12,366,038 B2The Procter & Gamble Company
- Sanitary tissue product with a shaped line of weakness9 Jul 2024US 12,031,275 B2The Procter & Gamble Company
- Sanitary tissue product with a shaped line of weakness9 Apr 2024US 11,952,722 B2The Procter & Gamble Company
- Sanitary tissue product with a shaped line of weakness6 Jun 2023US 11,668,051 B2The Procter & Gamble Company
- Apparatus and method for realizing a web of fibrous material19 Jul 2022US 11,390,994 B2
- Sanitary Tissue Product with a Shaped Line of Weakness3 Oct 2024US 2024/0328093 A1The Procter & Gamble Company
- Micro-optic security device with enhanced wet-harvest resistance29 Aug 2024US 2024/0287739 A1Crane Co.
- Sanitary Tissue Product with a Shaped Line of Weakness5 Oct 2023US 2023/0313468 A1The Procter & Gamble Company
- Sanitary Tissue Product with a Shaped Line of Weakness14 Oct 2021US 2021/0317613 A1The Procter & Gamble Company
- Sanitary Tissue Product with a Shaped Line of Weakness17 Jun 2021US 2021/0180258 A1The Procter & Gamble Company
Most cited
By later US patents
- System for making a non-woven sheet by creating an electrostatic field action52US 3,977,937 A1976
- Apparatus for uniquely perforating a web material42US 8,535,483 B2The Procter & Gamble Company · 2013
- Methods and apparatus for making grids from fibers37US 5,277,854 A1994
- Sheet materials28US 4,462,866 APortals Limited · 1984
- Method for manufacturing a security paper25US 8,083,894 B2Giesecke & Devrient GmbH · 2011