B23B 27/20
With diamond bits or cutting inserts
Official title: with diamond bits {or cutting inserts}
B23B27/20 (With diamond bits or cutting inserts) appears on 147 US grants and 165 published applications in this corpus.
Search patents in B23B- Granted patents
- 147
- Published applications
- 165
- Assignees
- 74
- Inventors
- 275
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 3 | 11 |
| 2008 | 8 | 8 |
| 2009 | 4 | 3 |
| 2010 | 4 | 8 |
| 2011 | 1 | 2 |
| 2012 | 2 | 4 |
| 2013 | 0 | 3 |
| 2014 | 4 | 5 |
| 2015 | 4 | 4 |
| 2016 | 1 | 4 |
| 2017 | 2 | 14 |
| 2018 | 7 | 21 |
| 2019 | 10 | 17 |
| 2020 | 18 | 18 |
| 2021 | 8 | 12 |
| 2022 | 9 | 10 |
| 2023 | 12 | 7 |
| 2024 | 12 | 5 |
| 2025 | 11 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Diamond cutting tool28 Apr 2026US 12,611,719 B2Sumitomo Electric Hardmetal Corp.
- Cubic boron nitride sintered material and tool10 Mar 2026US 12,571,079 B2Sumitomo Electric Hardmetal Corp.
- Cutting insert and processing method2 Dec 2025US 12,485,492 B2Sumitomo Electric Hardmetal Corp.
- Cutting insert and method of manufacturing cutting insert21 Oct 2025US 12,447,537 B2Sumitomo Electric Hardmetal Corp.
- Diamond cutting tool and method for manufacturing the same30 Sep 2025US 12,427,583 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
- Cutting tool using interrupted cut fast tool servo60US 7,328,638 B23M Innovative Properties Company · 2008