B23B 2251/14
Configuration of the cutting part, i.e. the main cutting edges
B23B2251/14 (Configuration of the cutting part, i.e. the main cutting edges) appears on 345 US grants and 346 published applications in this corpus.
Search patents in B23B- Granted patents
- 345
- Published applications
- 346
- Assignees
- 174
- Inventors
- 625
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 6 |
| 2002 | 4 | 7 |
| 2003 | 7 | 13 |
| 2004 | 6 | 10 |
| 2005 | 9 | 16 |
| 2006 | 11 | 21 |
| 2007 | 13 | 14 |
| 2008 | 9 | 14 |
| 2009 | 12 | 18 |
| 2010 | 7 | 21 |
| 2011 | 11 | 12 |
| 2012 | 13 | 14 |
| 2013 | 12 | 6 |
| 2014 | 10 | 11 |
| 2015 | 11 | 11 |
| 2016 | 10 | 22 |
| 2017 | 17 | 15 |
| 2018 | 14 | 12 |
| 2019 | 16 | 18 |
| 2020 | 5 | 15 |
| 2021 | 9 | 19 |
| 2022 | 15 | 10 |
| 2023 | 7 | 12 |
| 2024 | 8 | 18 |
| 2025 | 4 | 4 |
| 2026 | 10 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cutting insert, rotary tool, and method for manufacturing machined product8 Sep 2026US 12,728,464 B2KYOCERA Corporation
- Drill8 Sep 2026US 12,728,465 B2Sumitomo Electric Hardmetal Corp.
- Drill and method for manufacturing machined product1 Sep 2026US 12,722,212 B2KYOCERA Corporation
- Micro-reinforced concentric twist drill1 Sep 2026US 12,722,213 B2Shandong Old Roughneck Machinery Technology Co. Ltd
- Cutting tool4 Aug 2026US 12,697,666 B2Kennametal Inc.
- Step drill bits8 Oct 2026US 2026/0307156 A1
- Drill3 Sep 2026US 2026/0257284 A1AB Sandvik Coromant
- Drill30 Jul 2026US 2026/0216797 A1Mitsubishi Materials Corporation
- Hollow drill bit30 Jul 2026US 2026/0216798 A1Tec-Spiral Enterprises Tools Co., Ltd.
- Single-flute drill for printed wiring boards2 Jul 2026US 2026/0183849 A1Union Tool Co.
Most cited
By later US patents
- Damaged bolt and screw removing devices97US 7,171,871 B2Eazypower Corporation · 2007
- Two-piece rotary metal-cutting tool and method for interconnecting the pieces96US 5,988,953 ASeco Tools AB · 1999
- Hole saw95US 6,588,992 B2Black & Decker Inc. · 2003
- Rotary end cutting tool85US 5,452,971 A1995
- Hole cutting tools79US 5,803,678 AAmerican Saw & Mfg. Company · 1998