B23B 27/18
With cutting bits or tips or cutting inserts rigidly mounted
Official title: with cutting bits or tips {or cutting inserts} rigidly mounted, e.g. by brazing
B23B27/18 (With cutting bits or tips or cutting inserts rigidly mounted) appears on 207 US grants and 226 published applications in this corpus.
Search patents in B23B- Granted patents
- 207
- Published applications
- 226
- Assignees
- 95
- Inventors
- 348
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 3 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 3 | 11 |
| 2008 | 9 | 9 |
| 2009 | 4 | 3 |
| 2010 | 4 | 11 |
| 2011 | 1 | 2 |
| 2012 | 2 | 5 |
| 2013 | 1 | 4 |
| 2014 | 5 | 6 |
| 2015 | 5 | 5 |
| 2016 | 1 | 6 |
| 2017 | 3 | 17 |
| 2018 | 11 | 24 |
| 2019 | 14 | 27 |
| 2020 | 21 | 25 |
| 2021 | 17 | 21 |
| 2022 | 18 | 17 |
| 2023 | 17 | 13 |
| 2024 | 20 | 7 |
| 2025 | 13 | 6 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Diamond cutting tool28 Apr 2026US 12,611,719 B2Sumitomo Electric Hardmetal Corp.
- Cutting tool7 Apr 2026US 12,594,599 B2AB Sandvik Coromant
- Cubic boron nitride sintered material and tool10 Mar 2026US 12,571,079 B2Sumitomo Electric Hardmetal Corp.
- Grooving tool with brazed carbide top clamp10 Feb 2026US 12,544,836 B2Kennametal India Limited
- Cutting insert and processing method2 Dec 2025US 12,485,492 B2Sumitomo Electric Hardmetal Corp.
- Wear resistant diamond braze material6 Aug 2026US 2026/0225161 A1Inland Diamond Products Company
- Cutting tool30 Apr 2026US 2026/0115808 A1Sumitomo Electric Hardmetal Corp.
- Coated cemented carbide and tool23 Apr 2026US 2026/0108953 A1Sumitomo Electric Hardmetal Corp.
- Laser-Transmitting Tooling30 Oct 2025US 2025/0332671 A1Micro-LAM, Inc.
- Sintered material and cutting tool16 Oct 2025US 2025/0320583 A1Sumitomo Electric Hardmetal Corp.
Most cited
By later US patents
- Compact of boron-doped diamond and method for making same385US 4,268,276 AGeneral Electric Company · 1981
- Polycrystalline diamond body with enhanced surface irregularities248US 4,629,373 AMegadiamond Industries, Inc. · 1986
- Composite compact having a base of a hard-centered alloy in which the base is joined to a substrate through a joint layer and process for producing the same129US 4,686,080 ASumitomo Electric Industries, Ltd. · 1987
- Composite compact components fabricated with high temperature brazing filler metal and method for making same110US 4,225,322 AGeneral Electric Company · 1980
- Polycrystal diamond tool84US 6,302,225 B1Sumitomo Electric Industries, Ltd. · 2001