B23B 2222/92
Tungsten
B23B2222/92 (Tungsten) appears on 23 US grants and 23 published applications in this corpus.
Search patents in B23B- Granted patents
- 23
- Published applications
- 23
- Assignees
- 14
- Inventors
- 57
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 3 |
| 2019 | 1 | 3 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 2 |
| 2024 | 3 | 0 |
| 2025 | 1 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cutting tool and cutting processing device5 May 2026US 12,617,031 B2Big Daishowa Seiki Co., Ltd.
- Diamond cutting tool28 Apr 2026US 12,611,719 B2Sumitomo Electric Hardmetal Corp.
- Cubic boron nitride sintered material and tool10 Mar 2026US 12,571,079 B2Sumitomo Electric Hardmetal Corp.
- Cemented carbide and cutting tool28 Oct 2025US 12,454,014 B1Sumitomo Electric Hardmetal Corp.
- Coated cutting tool26 Nov 2024US 12,151,290 B2MOLDINO Tool Engineering, Ltd.
- Self-sharpening cutting device with gradually phased materials8 Oct 2026US 2026/0307157 A1
- Cubic boron nitride sintered material and tool22 May 2025US 2025/0163548 A1Sumitomo Electric Hardmetal Corp.
- Cutting tool and cutting processing device28 Sep 2023US 2023/0302544 A1Big Daishowa Seiki Co., Ltd.
- Coated cutting tool26 Jan 2023US 2023/0024595 A1MOLDINO Tool Engineering, Ltd.
- Diamond cutting tool22 Sep 2022US 2022/0297201 A1Sumitomo Electric Hardmetal Corp.
Most cited
By later US patents
- Shrink fit holder and methods of drilling and reaming21US 7,192,226 B2Industrial Tooling Corporation Limited · 2007
- Cutting insert for milling titanium and titanium alloys11US 5,984,593 AKennametal Inc. · 1999
- Apparatus and method for boring overhead cam engine cylinder heads6US 5,655,278 A1997
- Machining tools having concave cutting surfaces for precision machining and methods of manufacturing such6US 7,614,831 B2Panasonic Corporation · 2009
- Method for boring overhead cam engine cylinder heads5US 5,590,466 A1997