D21F 5/143
Through perforated cylinders
Official title: {through perforated cylinders}
D21F5/143 (Through perforated cylinders) appears on 13 US grants and 7 published applications in this corpus.
Search patents in D21F- Granted patents
- 13
- Published applications
- 7
- Assignees
- 11
- Inventors
- 32
- Latest grant
- 14 Sep 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 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 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Drying hood, drying arrangement and use thereof14 Sep 2021US 11,118,310 B2Voith Patent GmbH
- Method and apparatus for removing water from a capillary cylinder in a papermaking process19 Jan 2021US 10,895,040 B2The Procter & Gamble Company
- Suction roll seal strip monitor and lubrication water control system3 Nov 2020US 10,822,744 B2Stowe Woodward Licensco, LLC
- Suction roll for a machine for producing and/or processing a paper, cardboard or tissue web29 Nov 2016US 9,506,191 B2Voith Patent GmbH
- Dryer section25 Feb 2003US 6,523,278 B1Metso Paper, Inc.
- Papermaking machine that utilizes only a structured fabric in the forming of paper7 Nov 2024US 2024/0368838 A1Structured I, LLC
- Sealing strip and sealing device20 Oct 2022US 2022/0333306 A1Voith Patent GmbH
- Drying hood, drying arrangement and use thereof5 Dec 2019US 2019/0368127 A1Voith Patent GmbH
- Method and Apparatus for Removing Water from A Capillary Cylinder in A Papermaking Process6 Jun 2019US 2019/0169796 A1The Procter & Gamble Company
- Suction roll seal strip monitor and lubrication water control system1 Nov 2018US 2018/0313035 A1Stowe Woodward Licensco, LLC
Most cited
By later US patents
- Capillary dewatering method and apparatus68US 5,598,643 AKimberly-Clark Tissue Company · 1997
- Capillary dewatering method and apparatus57US 5,701,682 AKimberly-Clark Worldwide, Inc. · 1997
- Capillary dewatering method38US 5,699,626 AKimberly-Clark Worldwide, Inc. · 1997
- Method and apparatus for drying objects23US 4,357,758 AValmet Corporation · 1982
- Method and device for drying paper21US 5,383,288 AValmet Paper Machinery Inc. · 1995