B24B 3/28
By swivelling the drill around an axis angularly to the drill axis
Official title: by swivelling the drill around an axis angularly to the drill axis
B24B3/28 (By swivelling the drill around an axis angularly to the drill axis) appears on 26 US grants and 5 published applications in this corpus.
Search patents in B24B- Granted patents
- 26
- Published applications
- 5
- Assignees
- 11
- Inventors
- 30
- Latest grant
- 20 Jan 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 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 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Automated drill bit re-sharpening and verification system20 Jan 2009US 7,479,056 B2Kycera Tycom Corporation
- Automated drill bit re-sharpening and verification system4 Mar 2008US 7,338,344 B2
- Automated drill bit re-sharpening and verification system4 Jul 2006US 7,070,483 B2Kycera Tycom Corporation
- Drill bit grinder structure13 Jan 2004US 6,676,494 B1
- Automated drill bit re-sharpening and verification system11 Feb 2003US 6,517,411 B2Tycom Corporation
- Polishing pad and polishing method21 Mar 2019US 2019/0084121 A1Fujimi Incorporated
- 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
- Automated drill bit re-sharpening and verification system14 Nov 2002US 2002/0168922 A1Kycera Tycom Corporation
- Automated drill bit re-sharpening and verification system13 Sep 2001US 2001/0021626 A1Tycom Corporation
Most cited
By later US patents
- Drill bit grinding machine26US 5,649,853 A1997
- ELID centerless grinding apparatus23US 6,506,103 B1Riken · 2003
- Twist drill sharpener and aligning fixture19US 4,001,975 ADarex, LLC · 1977
- Chuck12US 4,093,247 ADarex, LLC · 1978
- Grinding device11US 4,744,178 AInstitute for Industrial Research and Standards · 1988