B24B 3/16
Sharpening cutting edges: of broaches
Official title: of broaches
B24B3/16 (Sharpening cutting edges: of broaches) appears on 8 US grants and 3 published applications in this corpus.
Search patents in B24B- Granted patents
- 8
- Published applications
- 3
- Assignees
- 7
- Inventors
- 16
- Latest grant
- 25 Nov 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 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 | 1 |
| 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 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Flat surface grinding machine with a second wheelhead for machining broaches25 Nov 2003US 6,652,359 B2Danobat, S.Coop.
- Broach manufacturing method25 Jul 1989US 4,850,253 AColonial Tool Operations Division of Textron Canada Limited
- Machine for backing-off and/or grinding drifting spindles provided with teeth25 Jun 1985US 4,524,544 A
- Scanning device for a machine for the automatic sharpening of broaching or reaming tools7 May 1985US 4,514,935 A
- Automatic grinding26 Feb 1985US 4,501,092 AStaveley Machine Tools Limited
- Broach Cutter Grinding with Rake Angle Control16 Oct 2025US 2025/0319565 A1Rtx Corporation
- Method for providing an edge preparation on a cutting edge of a tool and a control and a processing machine for carrying out the method20 Sep 2012US 2012/0238184 A1
- Flat surface grinding machine with a second wheelhead for machining broaches7 Feb 2002US 2002/0016133 A1Danobat, S.Coop.
Most cited
By later US patents
- Machine for backing-off and/or grinding drifting spindles provided with teeth10US 4,524,544 A1985
- Scanning finger for a scanning device of a machine for the automatic sharpening of broaching or reaming tools9US 4,495,733 AOswald Forst Maschinenfabrik und Apparatebauanstalt GmbH · 1985
- Broach sharpening machine8US 4,348,838 ATacchella Macchine S.p.A. · 1982
- Method of manufacturing a broaching tool7US 4,272,927 AThe Babcock & Wilcox Company · 1981
- Automatic grinding6US 4,501,092 AStaveley Machine Tools Limited · 1985