B23C 2226/31
Diamond
B23C2226/31 (Diamond) appears on 191 US grants and 241 published applications in this corpus.
Search patents in B23C- Granted patents
- 191
- Published applications
- 241
- Assignees
- 108
- Inventors
- 444
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 10 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 4 |
| 2004 | 1 | 3 |
| 2005 | 1 | 7 |
| 2006 | 3 | 4 |
| 2007 | 4 | 8 |
| 2008 | 3 | 10 |
| 2009 | 3 | 10 |
| 2010 | 5 | 9 |
| 2011 | 3 | 2 |
| 2012 | 4 | 6 |
| 2013 | 3 | 22 |
| 2014 | 3 | 10 |
| 2015 | 14 | 12 |
| 2016 | 10 | 17 |
| 2017 | 14 | 8 |
| 2018 | 13 | 13 |
| 2019 | 15 | 25 |
| 2020 | 13 | 19 |
| 2021 | 7 | 8 |
| 2022 | 13 | 14 |
| 2023 | 10 | 7 |
| 2024 | 4 | 9 |
| 2025 | 9 | 8 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tool and method of manufacturing tool14 Jul 2026US 12,678,869 B2Sumitomo Electric Hardmetal Corp.
- Silicon nitride ceramic tool comprising diamond film and method of preparing the same5 May 2026US 12,617,023 B2Guangdong University of Technology
- Method for producing a cutting tool24 Feb 2026US 12,559,844 B2Rollomatic S.A.
- Diamond-coated tool and method of manufacturing diamond-coated tool27 Jan 2026US 12,533,736 B2Sumitomo Electric Hardmetal Corp.
- Cutting insert and method of manufacturing cutting insert21 Oct 2025US 12,447,537 B2Sumitomo Electric Hardmetal Corp.
- End mill, method of producing microlens production mold, and apparatus of producing microlens production mold1 Oct 2026US 2026/0295689 A1Dexerials Corporation
- Cutting tool1 Oct 2026US 2026/0295690 A1Sumitomo Electric Hardmetal Corp.
- Cutting insert and rotary cutting tool25 Jun 2026US 2026/0175302 A1Kanefusa Kabushiki Kaisha
- Method for making a rotary cutter30 Apr 2026US 2026/0115845 A1Halcyon Technology Public Company Limited
- Rotary tool8 Jan 2026US 2026/0008111 A1Kennametal Inc.
Most cited
By later US patents
- Composite polycrystalline diamond compact90US 5,662,720 AGeneral Electric Company · 1997
- Diamond or CBN fluted center cutting end mill78US 5,685,671 ASmith International, Inc. · 1997
- Components of an electronic device76US 8,933,347 B22015
- Helically fluted tool44US 5,272,940 ADico, Inc. · 1993
- Components of an electronic device and methods for their assembly44US 9,114,487 B2Apple Inc. · 2015