B23B 2224/20
Tantalum carbide
B23B2224/20 (Tantalum carbide) appears on 17 US grants and 12 published applications in this corpus.
Search patents in B23B- Granted patents
- 17
- Published applications
- 12
- Assignees
- 8
- Inventors
- 30
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 2 |
| 2020 | 3 | 2 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Coated cutting tool19 Aug 2025US 12,390,861 B2AB Sandvik Coromant
- Cemented carbide and cutting tool including same as substrate11 Jun 2024US 12,005,507 B2Sumitomo Electric Industries, Ltd.
- Cutting insert, cutting tool, and method for manufacturing machined product19 Apr 2022US 11,305,358 B2KYOCERA Corporation
- Cemented carbide with alternative binder4 Jan 2022US 11,213,892 B2Sandvik Intellectual Property AB
- Cutting insert, cutting tool, and method of manufacturing machined product8 Jun 2021US 11,027,339 B2KYOCERA Corporation
- Coated cutting tool27 Jan 2022US 2022/0023954 A1AB Sandvik Coromant
- Cemented carbide and cutting tool including same as substrate20 Jan 2022US 2022/0016715 A1Sumitomo Electric Industries, Ltd.
- Cemented carbide with alternative binder1 Jul 2021US 2021/0197288 A1Sandvik Intellectual Property AB
- Cutting insert, cutting tool, and method for manufacturing machined product26 Mar 2020US 2020/0094328 A1KYOCERA Corporation
- Cutting insert, cutting tool, and method of manufacturing machined product9 Jan 2020US 2020/0009664 A1KYOCERA Corporation
Most cited
By later US patents
- Wear resistant tools57US 5,580,196 AHabit Diamond Limited · 1996
- Coated hard metal tool45US 4,643,620 ASumitomo Electric Industries, Ltd. · 1987
- Abrasive bodies40US 4,457,765 A1984
- Cemented carbide drill34US 4,971,485 ASumitomo Electric Industries, Ltd. · 1990
- Drill for drilling, a method for making a drill for drilling, and a cutting tool16US 6,688,817 B2Kennametal Inc. · 2004