B23B 51/0018
Drills for enlarging a hole
Official title: {Drills for enlarging a hole}
B23B51/0018 (Drills for enlarging a hole) appears on 124 US grants and 73 published applications in this corpus.
Search patents in B23B- Granted patents
- 124
- Published applications
- 73
- Assignees
- 54
- Inventors
- 182
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 4 |
| 2003 | 2 | 0 |
| 2004 | 1 | 3 |
| 2005 | 2 | 4 |
| 2006 | 0 | 3 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 4 |
| 2012 | 2 | 6 |
| 2013 | 1 | 2 |
| 2014 | 2 | 4 |
| 2015 | 2 | 2 |
| 2016 | 2 | 3 |
| 2017 | 6 | 7 |
| 2018 | 2 | 3 |
| 2019 | 1 | 3 |
| 2020 | 7 | 5 |
| 2021 | 4 | 2 |
| 2022 | 2 | 5 |
| 2023 | 0 | 1 |
| 2024 | 4 | 4 |
| 2025 | 1 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Case length trimmer (CLT) with micro-adjustment tool and method of using same22 Sep 2026US 12,742,625 B2K&M Shooting Products, LLC
- Dental component with through hole28 Jul 2026US 12,690,953 B2Nobel Biocare Services AG
- System and method for drilling a hole for a countersink fastener24 Feb 2026US 12,558,729 B2Spirit AeroSystems, Inc.
- Diameter-enlarged hole portion forming device2 Sep 2025US 12,403,536 B2Kabushiki Kaisha Miyanaga
- Drill head and method for chambering blind drill-holes22 Oct 2024US 12,121,979 B2botek Präzisionsbohrtechnik GmbH
- Body, guide pad, and hole machining tool2 Oct 2025US 2025/0303479 A1Tungaloy Corporation
- Case length trimmer (clt) with micro-adjustment tool and method of using same12 Jun 2025US 2025/0189283 A1K&M Shooting Products, LLC
- Dental Component With Through Hole7 Nov 2024US 2024/0366344 A1Nobel Biocare Services AG
- Cutting head lubrication mechanism25 Jul 2024US 2024/0246157 A1Seco Tools Tooling Systems
- Device for cutting and/or boring out debilitated and/or bulging pipe liner, and method of making and using same30 May 2024US 2024/0173780 A1
Most cited
By later US patents
- Apparatus and method for anchoring a cord-like element to a workpiece409US 5,885,294 AEthicon, Inc. · 1999
- System and method for anchoring a cord-like element to a workpiece220US 6,041,485 A2000
- System and method for anchoring a cord-like element to a workpiece142US 5,935,134 AEthicon, Inc. · 1999
- Tool with deployable cutting blade85US 7,179,024 B2Stout Medical Group, L.P. · 2007
- Tool for cutting annular groove68US 4,712,951 A1987