D21F 5/08
Arrangement of steam points in the cylinders
D21F5/08 (Arrangement of steam points in the cylinders) appears on 4 US grants and 1 published applications in this corpus.
Search patents in D21F- Granted patents
- 4
- Published applications
- 1
- Assignees
- 3
- Inventors
- 12
- Latest grant
- 7 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 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 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Steam and condensate coupling for a drying cylinder in a paper machine11US 5,230,169 AValmet Paper Machinery Inc. · 1993
- Method for controlling curl of paper in a dryer section of a paper machine and a paper or board machine9US 5,983,523 AValmet Corporation · 1999
- Method for controlling curl of paper in a dryer section of a paper machine1US 6,061,927 AValmet Corporation · 2000