D21B 1/24
Of the pocket type
Official title: of the pocket type
D21B1/24 (Of the pocket type) appears on 28 US grants and 1 published applications in this corpus.
Search patents in D21B- Granted patents
- 28
- Published applications
- 1
- Assignees
- 13
- Inventors
- 36
- Latest grant
- 16 Aug 2005
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and arrangement for feeding wood batches into a pressure grinder16 Aug 2005US 6,929,202 B2Metso Paper, Inc.
- Angled-rib blocking slab for pulpwood grinder17 Sep 1996US 5,556,043 ALake Superior Paper Industries
- Apparatus for the treatment of milling products22 Sep 1992US 5,148,998 A
- Flared pockets for centrifugal grinders17 Apr 1990US 4,917,315 AAMCA International Corporation
- Wood pulp grinder20 Jun 1989US 4,840,317 AJ. M. Voith GmbH
Most cited
By later US patents
- Blocking slab for pulp grinder14US 4,595,150 AOy Tampella AB · 1986
- Sealing arrangement for a shutter of a pressure grinder12US 4,305,590 AOy Tampella AB · 1981
- Apparatus for the treatment of milling products11US 5,148,998 A1992
- Method for controlling a piston fed wood grinder10US 4,515,318 AKymi-Stromberg Oy · 1985
- Process for the preparation of groundwood pulp7US 4,324,612 AMo och Domsjo Aktiebolag · 1982