B24B 3/247
Supports for drills
Official title: {Supports for drills (B24B3/245 takes precedence)}
B24B3/247 (Supports for drills) appears on 39 US grants and 10 published applications in this corpus.
Search patents in B24B- Granted patents
- 39
- Published applications
- 10
- Assignees
- 14
- Inventors
- 47
- Latest grant
- 2 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 3 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- High speed drill bit sharpener2 Apr 2024US 11,945,072 B1
- Fixture assembly12 Dec 2017US 9,839,985 B1Arobotech Systems, Inc.
- Adjustable tool holding surface grinder fixture18 Oct 2016US 9,469,009 B1
- Drill bit sharpening tool14 May 2013US 8,439,727 B1
- Precision guiding device in a machine for machining cylindrical components14 Aug 2012US 8,241,093 B2Rollomatic S.A.
- Collets and tool holder assemblies employing the same16 Jun 2016US 2016/0167188 A1Kennametal Inc.
- Precision guidang device in a machine for machining cylindrical components30 Sep 2010US 2010/0248589 A1Rollomatic S.A.
- Precision guidance device in a machine for machining cylindrical components8 Jul 2010US 2010/0170371 A1
- Automated drill bit re-sharpening and verification system21 Jun 2007US 2007/0141963 A1Kycera Tycom Corporation
- Automated drill bit re-sharpening and verification system9 Feb 2006US 2006/0027045 A1Tycom Corporation
Most cited
By later US patents
- Drill bit grinding machine26US 5,649,853 A1997
- Precision drill sharpener and grinding wheel assembly therefor21US 6,626,745 B1Darex, LLC · 2003
- Portable drill sharpener21US 7,121,932 B22006
- Drill grinding fixture17US 4,142,332 A1979
- Universal twist drill sharpener apparatus14US 4,471,581 ADarex, LLC · 1984