B23B 2251/02
Connections between shanks and removable cutting heads
B23B2251/02 (Connections between shanks and removable cutting heads) appears on 298 US grants and 296 published applications in this corpus.
Search patents in B23B- Granted patents
- 298
- Published applications
- 296
- Assignees
- 91
- Inventors
- 375
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 11 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 8 |
| 2002 | 6 | 16 |
| 2003 | 12 | 8 |
| 2004 | 6 | 8 |
| 2005 | 2 | 15 |
| 2006 | 11 | 13 |
| 2007 | 9 | 11 |
| 2008 | 12 | 14 |
| 2009 | 11 | 14 |
| 2010 | 5 | 23 |
| 2011 | 4 | 13 |
| 2012 | 10 | 15 |
| 2013 | 15 | 14 |
| 2014 | 16 | 18 |
| 2015 | 20 | 24 |
| 2016 | 10 | 12 |
| 2017 | 21 | 17 |
| 2018 | 23 | 7 |
| 2019 | 11 | 16 |
| 2020 | 14 | 8 |
| 2021 | 9 | 15 |
| 2022 | 7 | 1 |
| 2023 | 7 | 3 |
| 2024 | 4 | 1 |
| 2025 | 3 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Cutting head having tip portion with radially extending front cutting edges provided with both negative and positive rake angles, and rotary cutting tool17 Jun 2025US 12,330,224 B2Iscar, Ltd.
- Rotary cutting tool with tunable vibration absorber assembly for suppressing torsional vibration4 Mar 2025US 12,240,046 B2Kennametal Inc.
- Ring-saw assemblies and processes14 Jan 2025US 12,194,548 B2
- Accessory tool12 Nov 2024US 12,138,694 B2Milwaukee Electric Tool Corporation
- Modular drill apparatus with cutting tip in situ insert assembly5 Mar 2024US 11,919,094 B2Kennametal Inc.
- Ring-saw assemblies and processes8 May 2025US 2025/0144723 A1
- Accessory tool23 Jan 2025US 2025/0025945 A1Milwaukee Electric Tool Corporation
- Modular drill with enhanced bump-off capability8 Feb 2024US 2024/0042530 A1Kennametal Inc.
- Ring-saw assemblies and processes9 Nov 2023US 2023/0356307 A1
- Rotary cutting tool with tunable vibration absorber assembly for suppressing torsional vibration15 Jun 2023US 2023/0182216 A1Kennametal Inc.
Most cited
By later US patents
- Non-metallic body cutting tools111US 5,865,571 ANorton Company · 1999
- Cutting tool assembly and a replaceable cutting head for use therein96US 5,957,631 AIscar, Ltd. · 1999
- Two-piece rotary metal-cutting tool and method for interconnecting the pieces96US 5,988,953 ASeco Tools AB · 1999
- Drilling tool93US 6,012,881 AKomet Praezisionswerkzeuge Robert Breuning GmbH · 2000
- Method for improving wear resistance of abrasive tools93US 6,227,188 B1Norton Company · 2001