B23B 27/148
Composition of the cutting inserts
Official title: {Composition of the cutting inserts}
B23B27/148 (Composition of the cutting inserts) appears on 640 US grants and 660 published applications in this corpus.
Search patents in B23B- Granted patents
- 640
- Published applications
- 660
- Assignees
- 148
- Inventors
- 889
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 8 | 0 |
| 1980 | 12 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 14 | 0 |
| 1984 | 13 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 6 |
| 2005 | 1 | 6 |
| 2006 | 1 | 9 |
| 2007 | 5 | 5 |
| 2008 | 6 | 2 |
| 2009 | 4 | 6 |
| 2010 | 4 | 3 |
| 2011 | 5 | 9 |
| 2012 | 2 | 11 |
| 2013 | 5 | 22 |
| 2014 | 13 | 21 |
| 2015 | 13 | 23 |
| 2016 | 19 | 26 |
| 2017 | 24 | 55 |
| 2018 | 34 | 46 |
| 2019 | 29 | 55 |
| 2020 | 58 | 59 |
| 2021 | 48 | 63 |
| 2022 | 72 | 53 |
| 2023 | 28 | 48 |
| 2024 | 45 | 61 |
| 2025 | 65 | 39 |
| 2026 | 26 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coated cutting tool with an alternating layer composition6 Oct 2026US 12,752,344 B2Walter AG
- Surface-coated cutting tool29 Sep 2026US 12,746,604 B2Mitsubishi Materials Corporation
- Hard coating for cutting tools with excellent wear resistance15 Sep 2026US 12,734,584 B2Korloy Inc.
- Cutting tool8 Sep 2026US 12,728,456 B2Seco Tools AB
- Cemented carbide and cutting tool18 Aug 2026US 12,709,788 B2Sumitomo Electric Industries, Ltd.
- Cutting tool1 Oct 2026US 2026/0295681 A1Sumitomo Electric Hardmetal Corp.
- Coated cutting tool3 Sep 2026US 2026/0257279 A1Tungaloy Corporation
- Cemented carbide, coated cemented carbide, and tool having the same27 Aug 2026US 2026/0250806 A1Tungaloy Corporation
- Coated cutting tool13 Aug 2026US 2026/0233312 A1MOLDINO Tool Engineering, Ltd.
- Wear resistant diamond braze material6 Aug 2026US 2026/0225161 A1Inland Diamond Products Company
Most cited
By later US patents
- Cutting elements for rotary drill bits409US 5,135,061 A1992
- Diamond metal composite cutter and method for making same217US 5,096,465 ANorton Company · 1992
- Fabrication of supported polycrystalline abrasive compacts158US 4,944,772 AGeneral Electric Company · 1990
- Drill bit148US 4,373,593 AChristensen, Inc. · 1983
- Reinforced ceramic cutting tools130US 4,961,757 AAdvanced Composite Materials Corporation · 1990