D21F 3/0254
Cluster presses, i.e. presses comprising a press chamber defined by at least
Official title: {Cluster presses, i.e. presses comprising a press chamber defined by at least three rollers}
D21F3/0254 (Cluster presses, i.e. presses comprising a press chamber defined by at least) appears on 30 US grants and 22 published applications in this corpus.
Search patents in D21F- Granted patents
- 30
- Published applications
- 22
- Assignees
- 11
- Inventors
- 37
- Latest grant
- 29 Nov 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 1 |
| 2003 | 4 | 9 |
| 2004 | 4 | 6 |
| 2005 | 3 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 3 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Device and method for drying fibrous material29 Nov 2016US 9,506,692 B2Andritz Inc.
- Method and an apparatus for manufacturing a three-dimensional surface structure web29 Jul 2014US 8,789,289 B2Voith Patent GmbH
- Method for the manufacture of a fiber web provided with a three-dimensional surface structure16 Feb 2010US 7,662,260 B2Voith Patent GmbH
- Method and an apparatus for manufacturing a fiber web provided with a three-dimensional surface structure30 Sep 2008US 7,428,786 B2Voith Paper Patent GmbH
- Low compaction, pneumatic dewatering process for producing absorbent sheet26 Aug 2008US 7,416,637 B2Georgia-Pacific Consumer Products LP
- Method and an apparatus for manufacturing a three-dimensional surface structure web9 Oct 2014US 2014/0298673 A1Voith Patent GmbH
- Device and method for drying fibrous material29 Aug 2013US 2013/0219739 A1Andritz Inc.
- Method and an apparatus for the manufacture of a fiber web provided with a three-dimensional surface structure20 Dec 2007US 2007/0289159 A1Voith Paper Patent GmbH
- Method and an apparatus for manufacturing a fiber web provided with a three-dimensional surface structure12 Oct 2006US 2006/0225300 A1Voith Paper Patent GmbH
- Low compaction, pneumatic dewatering process for producing absorbent sheet5 Jan 2006US 2006/0000567 A1Georgia-Pacific Consumer Products LP
Most cited
By later US patents
- Anti-rewet felt for use in a papermaking machine62US 6,616,812 B2Voith Paper Patent GmbH · 2003
- Low compaction, pneumatic dewatering process for producing absorbent sheet59US 7,416,637 B2Georgia-Pacific Consumer Products LP · 2008
- Pressing apparatus having semipermeable membrane41US 6,416,631 B1Voith Sulzer Papiertechnik Patent GmbH · 2002
- Semipermeable membrane for pressing apparatus38US 6,274,042 B1Voith Sulzer Papiertechnik GmbH · 2001
- Pressing apparatus having chamber end sealing33US 6,161,303 AVoith Sulzer Papiertechnik Patent GmbH · 2000