D21B 1/28
Dressers for mill stones, combined with the mill
D21B1/28 (Dressers for mill stones, combined with the mill) appears on 8 US grants and 5 published applications in this corpus.
Search patents in D21B- Granted patents
- 8
- Published applications
- 5
- Assignees
- 7
- Inventors
- 4
- Latest grant
- 8 May 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device and method for defibration of wood8 May 2012US 8,172,165 B2M-real Oyj
- Arrangement for treating pulpstone surface30 Jan 2007US 7,169,021 B2Metso Paper, Inc.
- Grinding segment and grinder stone8 Aug 2006US 7,086,938 B2Metso Paper, Inc.
- Grinding element and grinder stone21 Feb 2006US 7,000,859 B2Metso Paper, Inc.
- Tool for dressing pulpstones26 Oct 2004US 6,807,960 B2
- Device and Method for Defibration of Wood17 Dec 2009US 2009/0308549 A1M-real Oyj
- Arrangement for treating pulpstone surface2 Jun 2005US 2005/0116072 A1Metso Paper, Inc.
- Grinding element and grinder stone16 Dec 2004US 2004/0250897 A1Metso Paper, Inc.
- Grinding segment and grinder stone26 Aug 2004US 2004/0166791 A1Metso Paper, Inc.
- Tool for dressing pulpstones7 Aug 2003US 2003/0145842 A1
Most cited
By later US patents
- Method and apparatus for mechanical defibration of wood5US 6,241,169 B1Metso Paper, Inc. · 2001
- Grinding element and grinder stone5US 7,000,859 B2Metso Paper, Inc. · 2006
- Electric lathe3US 4,669,166 AMontague Industries, Inc. · 1987
- Accuset micrometer lathe2US 5,113,621 AMontague Industries, Inc. · 1992
- Tool for dressing pulpstones1US 6,807,960 B22004