B23C 2226/12
Boron nitride
B23C2226/12 (Boron nitride) appears on 114 US grants and 147 published applications in this corpus.
Search patents in B23C- Granted patents
- 114
- Published applications
- 147
- Assignees
- 72
- Inventors
- 250
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 5 |
| 2005 | 0 | 6 |
| 2006 | 2 | 2 |
| 2007 | 4 | 5 |
| 2008 | 2 | 9 |
| 2009 | 1 | 9 |
| 2010 | 4 | 5 |
| 2011 | 6 | 1 |
| 2012 | 1 | 5 |
| 2013 | 4 | 10 |
| 2014 | 1 | 5 |
| 2015 | 8 | 7 |
| 2016 | 7 | 10 |
| 2017 | 8 | 9 |
| 2018 | 7 | 8 |
| 2019 | 8 | 14 |
| 2020 | 9 | 8 |
| 2021 | 5 | 5 |
| 2022 | 6 | 10 |
| 2023 | 3 | 6 |
| 2024 | 3 | 2 |
| 2025 | 7 | 3 |
| 2026 | 3 | 1 |
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.
- Method of producing a coated cutting tool and a coated cutting tool5 May 2026US 12,617,022 B2AB Sandvik Coromant
- Cutting tool5 May 2026US 12,617,024 B2Sumitomo Electric Hardmetal Corp.
- Cutting insert and method of manufacturing cutting insert21 Oct 2025US 12,447,537 B2Sumitomo Electric Hardmetal Corp.
- Milling cutter and blade part thereof7 Oct 2025US 12,434,309 B2Kanefusa Kabushiki Kaisha
- End mill29 Jan 2026US 2026/0027631 A1MOLDINO Tool Engineering, Ltd.
- Superhard cutting elements, cutting tools including the same, and methods of using the same26 Jun 2025US 2025/0205792 A1US Synthetic Corporation
- Method of milling brittle materials using a polycrystalline diamond end milling tool27 Mar 2025US 2025/0100185 A1Element Six (UK) Limited
- Veined end mill tool blanks9 Jan 2025US 2025/0010383 A1Diamond Innovations, Inc.
- Cutting tool having a multipart cutting head14 Nov 2024US 2024/0375195 A1ZECHA Hartmetall-Werkzeugfabrikation GmbH
Most cited
By later US patents
- Diamond or CBN fluted center cutting end mill78US 5,685,671 ASmith International, Inc. · 1997
- Helically fluted tool44US 5,272,940 ADico, Inc. · 1993
- Indexable insert for milling and milling cutter employing the same44US 5,707,185 ASumitomo Electric Industries, Ltd. · 1998
- Metal cutting inserts having superhard abrasive bodies and methods of making same43US 5,676,496 ASandvik Aktiebolag · 1997
- Cutting tool for rough and finish milling33US 7,125,205 B2Kennametal Inc. · 2006