B23B 2226/12
Boron nitride
B23B2226/12 (Boron nitride) appears on 313 US grants and 335 published applications in this corpus.
Search patents in B23B- Granted patents
- 313
- Published applications
- 335
- Assignees
- 106
- Inventors
- 528
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 8 |
| 2003 | 8 | 6 |
| 2004 | 5 | 9 |
| 2005 | 2 | 17 |
| 2006 | 3 | 11 |
| 2007 | 6 | 8 |
| 2008 | 12 | 12 |
| 2009 | 7 | 9 |
| 2010 | 6 | 11 |
| 2011 | 9 | 9 |
| 2012 | 3 | 17 |
| 2013 | 6 | 14 |
| 2014 | 13 | 14 |
| 2015 | 16 | 16 |
| 2016 | 11 | 19 |
| 2017 | 10 | 20 |
| 2018 | 19 | 17 |
| 2019 | 22 | 21 |
| 2020 | 19 | 15 |
| 2021 | 19 | 12 |
| 2022 | 11 | 25 |
| 2023 | 15 | 16 |
| 2024 | 14 | 15 |
| 2025 | 12 | 7 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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 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.
- Boring tool and cutting insert3 Feb 2026US 12,539,544 B2Sumitomo Electric Hardmetal Corp.
- Veined tool blank and drill20 Aug 2026US 2026/0241498 A1AB Sandvik Coromant
- Cubic boron nitride sintered body and cutting tool21 May 2026US 2026/0138192 A1Sumitomo Electric Industries, Ltd.
- Cutting tool14 May 2026US 2026/0131385 A1Tungaloy Corporation
- Cutting insert, cutting tool, and method for manufacturing machined product26 Mar 2026US 2026/0084219 A1KYOCERA Corporation
- Light weight material containing al-cbn and aluminum26 Feb 2026US 2026/0055487 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- Composite polycrystalline cutting element with improved fracture and delamination resistance211US 5,355,969 AUS Synthetic Corporation · 1994
- Abrasive product129US 5,007,207 A1991
- Stress-reduced superhard cutting element107US 5,492,188 ABaker Hughes Incorporated · 1996
- Sintered diamond drill bits and method of making106US 5,443,337 A1995
- Abrasive tool insert104US 5,494,477 AGeneral Electric Company · 1996