B23B 2251/207
Six cutting edges
B23B2251/207 (Six cutting edges) appears on 12 US grants and 10 published applications in this corpus.
Search patents in B23B- Granted patents
- 12
- Published applications
- 10
- Assignees
- 10
- Inventors
- 35
- Latest grant
- 22 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Core drill bit22 Nov 2022US 11,504,779 B2Hilti Aktiengesellschaft
- Drill bit for drilling laminates22 Jan 2019US 10,183,343 B2Walter AG
- Drill bit29 May 2018US 9,981,406 B2Black & Decker Inc.
- Drill and method of manufacturing drill28 Nov 2017US 9,827,617 B2Subaru Corporation
- Drill bit22 Feb 2011US 7,891,444 B2Kabushiki Kaisha Miyanaga
- Core drill bit17 Dec 2020US 2020/0391306 A1Hilti Aktiengesellschaft
- Cutting Tool25 Jul 2019US 2019/0224760 A1Matsuura Machinery Corporation
- Drill bit for drilling laminates8 Mar 2018US 2018/0065190 A1Walter AG
- Drill bit29 Dec 2016US 2016/0375500 A1Black & Decker Inc.
- Drill and method of manufacturing drill26 Nov 2015US 2015/0336182 A1Fuji Jukogyo Kabushiki Kaisha
Most cited
By later US patents