D21D 5/20
In apparatus with a horizontal axis
Official title: in apparatus with a horizontal axis
D21D5/20 (In apparatus with a horizontal axis) appears on 10 US grants and 2 published applications in this corpus.
Search patents in D21D- Granted patents
- 10
- Published applications
- 2
- Assignees
- 10
- Inventors
- 19
- Latest grant
- 10 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 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 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Separation device10 May 2022US 11,325,160 B2Andritz Inc.
- Apparatus and method for separating steam from pulp fibers6 Apr 2010US 7,691,235 B2Metso Paper, Inc.
- Apparatus for preparing paper pulp from used paper2 Nov 2004US 6,811,655 B1Finidro-Financiamentos Energeticos, Lda.
- Apparatus for processing fiber suspensions intended for the production of paper or cardboard30 May 2000US 6,068,772 AHermann Finckh Maschinenfabrik GmbH & Co.
- Apparatus for sorting and deflaking fibrous suspensions25 Oct 1994US 5,358,637 AHerman Finckh Maschinenfabrik GmbH & Co.
Most cited
By later US patents
- Apparatus for sorting and deflaking fibrous suspensions16US 5,358,637 AHerman Finckh Maschinenfabrik GmbH & Co. · 1994
- Tramp material separator9US 4,737,274 AKamyr, Inc. · 1988
- Screening apparatus3US 4,303,207 ASunds Defibrator Aktiebolag · 1981
- Apparatus for processing fiber suspensions intended for the production of paper or cardboard2US 6,068,772 AHermann Finckh Maschinenfabrik GmbH & Co. · 2000
- Fiberizer for stock suspensions for fabricating paper1US 4,456,183 AEscher Wyss Limited · 1984