B23B 51/0063
Centerdrills
Official title: {Centerdrills}
B23B51/0063 (Centerdrills) appears on 12 US grants and 8 published applications in this corpus.
Search patents in B23B- Granted patents
- 12
- Published applications
- 8
- Assignees
- 5
- Inventors
- 14
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Wood drill30 Sep 2025US 12,427,587 B2Robert Bosch GmbH
- Indexable center drill structure12 Mar 2024US 11,925,990 B2
- Faceted lobular threads27 Jun 2023US 11,686,337 B2
- Method and system for defining the position of a fastener with a peen mark25 Feb 2020US 10,569,344 B2The Boeing Company
- Method and system for defining the position of a fastener with a peen mark6 Feb 2018US 9,884,372 B2The Boeing Company
- Indexable center drill structure13 Jul 2023US 2023/0219146 A1
- Wood Drill29 Dec 2022US 2022/0410284 A1Robert Bosch GmbH
- Faceted lobular threads2 Jul 2020US 2020/0208670 A1
- Method and system for defining the position of a fastener with a peen mark7 Jun 2018US 2018/0154457 A1The Boeing Company
- Method and system for defining the position of a fastener with a peen mark10 Nov 2016US 2016/0325362 A1The Boeing Company
Most cited
By later US patents
- Combination of center drill and drill holding tool9US 8,192,114 B22012
- Spot drilling insert7US 7,540,696 B1Century Tool & Design, Inc. · 2009
- Indexable central drill insert and cutting tool therefor7US 9,421,622 B2Iscar, Ltd. · 2016
- Drill bit centering device3US 5,509,762 A1996
- Centering apparatus2US 4,075,915 A1978