B23B 51/108
Having a centering drill
Official title: {having a centering drill}
B23B51/108 (Having a centering drill) appears on 81 US grants and 62 published applications in this corpus.
Search patents in B23B- Granted patents
- 81
- Published applications
- 62
- Assignees
- 54
- Inventors
- 156
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 4 |
| 2003 | 1 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 6 |
| 2006 | 6 | 3 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 3 | 1 |
| 2010 | 0 | 3 |
| 2011 | 3 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 2 |
| 2019 | 2 | 3 |
| 2020 | 1 | 7 |
| 2021 | 4 | 3 |
| 2022 | 3 | 5 |
| 2023 | 2 | 2 |
| 2024 | 2 | 6 |
| 2025 | 5 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for machining a workpiece16 Jun 2026US 12,654,235 B2Broetje-Automation GmbH
- Blind fastener23 Sep 2025US 12,420,341 B2Howmet Aerospace Inc.
- Cutting tool2 Sep 2025US 12,403,533 B2Guehring KG
- Blind fastener26 Aug 2025US 12,397,357 B2Howmet Aerospace Inc.
- Multifunction primer pocket correction tool and method of using same12 Aug 2025US 12,385,725 B2K&M Shooting Products, LLC
- Multi-step drill with asymmetric step profiles12 Mar 2026US 2026/0070132 A1
- Metal drill bit and method4 Dec 2025US 2025/0367739 A1Hilti Aktiengesellschaft
- Multi-step drill with asymmetric step profiles21 Aug 2025US 2025/0262676 A1
- Multifunction primer pocket correction tool and method of using same28 Nov 2024US 2024/0393092 A1K&M Shooting Products, LLC
- A combination drill bit and bit driver device11 Jul 2024US 2024/0227038 A1Anchique Pty Ltd
Most cited
By later US patents