B23B 51/063
Deep hole drills
Official title: {Deep hole drills, e.g. ejector drills}
B23B51/063 (Deep hole drills) appears on 95 US grants and 88 published applications in this corpus.
Search patents in B23B- Granted patents
- 95
- Published applications
- 88
- Assignees
- 61
- Inventors
- 177
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 5 |
| 2005 | 2 | 5 |
| 2006 | 2 | 3 |
| 2007 | 6 | 5 |
| 2008 | 3 | 0 |
| 2009 | 1 | 7 |
| 2010 | 2 | 6 |
| 2011 | 2 | 6 |
| 2012 | 2 | 1 |
| 2013 | 1 | 5 |
| 2014 | 1 | 3 |
| 2015 | 0 | 3 |
| 2016 | 5 | 3 |
| 2017 | 5 | 4 |
| 2018 | 1 | 2 |
| 2019 | 1 | 2 |
| 2020 | 1 | 6 |
| 2021 | 5 | 5 |
| 2022 | 4 | 3 |
| 2023 | 2 | 5 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Body for gun drill21 Apr 2026US 12,605,775 B2Tungaloy Corporation
- Drill30 Dec 2025US 12,508,661 B2Sumitomo Electric Hardmetal Corp.
- Guide pad and gun drill having guide pad22 Jul 2025US 12,365,037 B2Tungaloy Corporation
- Reusable guide plate and drilling tool with exchangeable guide plate12 Nov 2024US 12,138,695 B2botek Präzisionsbohrtechnik GmbH
- Deep-hole drill having a plurality of chip-forming devices and recesses in the rake face30 Apr 2024US 11,969,804 B2botek Präzisionsbohrtechnik GmbH
- Two-flute deep-hole drill for stainless steels and other high-alloy steel materials2 Jul 2026US 2026/0183850 A1botek Präzisionsbohrtechnik GmbH
- Tool for machining a workpiece, in particular deep-hole drill, tool system and method29 Jan 2026US 2026/0027630 A1Gutekunst GmbH
- Cutting tool for use in hole machining and tool body of such cutting tool30 Oct 2025US 2025/0332642 A1Tungaloy Corporation
- Single-lip drill with interchangeable guide bars for small bore diameters15 Aug 2024US 2024/0269755 A1botek Praezisionsbohrtechnik GmbH
- Drill and method of producing drilled product1 Aug 2024US 2024/0253132 A1Subaru Corporation
Most cited
By later US patents
- Drill with cooling-lubricant channel70US 6,045,301 AKennametal Hertel AG Werkzeuge + Hartstoffe · 2000
- Drill bit62US 4,664,567 ABijur Lubricating Corp. · 1987
- Throw-away cutting tool57US 6,626,614 B2Sumitomo Electric Industries, Ltd. · 2003
- Interchangeable tool alignment system54US 5,114,286 A1992
- Drill with interchangeable cutting insert53US 5,599,145 A1997