B23B 51/0004
With cutting heads or inserts attached by screw means
Official title: {with cutting heads or inserts attached by screw means}
B23B51/0004 (With cutting heads or inserts attached by screw means) appears on 71 US grants and 54 published applications in this corpus.
Search patents in B23B- Granted patents
- 71
- Published applications
- 54
- Assignees
- 38
- Inventors
- 136
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 3 |
| 2002 | 2 | 4 |
| 2003 | 7 | 4 |
| 2004 | 6 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 7 |
| 2020 | 4 | 1 |
| 2021 | 2 | 3 |
| 2022 | 1 | 6 |
| 2023 | 3 | 4 |
| 2024 | 4 | 11 |
| 2025 | 3 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular drill having clamp and bump surfaces for locking and unlocking an insert9 Jun 2026US 12,649,190 B2Kennametal Inc.
- Rotary cutting tool and holding element for a rotary cutting tool30 Dec 2025US 12,508,660 B2Kennametal Inc.
- Multi-part modular tool16 Dec 2025US 12,496,640 B2Franken GmbH & Co. KG Fabrik FüR PräZisionswerkzeuge
- Drill head and drill5 Aug 2025US 12,377,474 B2Sumitomo Electric Hardmetal Corp.
- Cutting tool with modular pocket wall29 Oct 2024US 12,128,484 B2Kennametal Inc.
- Precision guide for a bowling ball drill bit6 Aug 2026US 2026/0225164 A1
- Modular cutting tool16 Apr 2026US 2026/0102824 A1Gühring KG
- Cutting insert and cutting tool11 Dec 2025US 2025/0375819 A1Tungaloy Corporation
- Cutting insert and cutting tool11 Dec 2025US 2025/0375820 A1Tungaloy Corporation
- Body and cutting tool11 Dec 2025US 2025/0375821 A1Tungaloy Corporation
Most cited
By later US patents
- Tool for cutting machining84US 5,947,660 ASeco Tools AB · 1999
- Tool coupler79US 5,062,749 A1991
- Roller twist drill70US 6,582,164 B1Kennametal Inc. · 2003
- Drill bit having a diamond-coated sintered body60US 5,137,398 ASumitomo Electric Industries, Ltd. · 1992
- Drilling tool60US 5,171,111 AKansai Kogu Manufacturing Co., Ltd. · 1992