B23B 51/0686
Cross-sectional shape of coolant hole
Official title: {Cross-sectional shape of coolant hole}
B23B51/0686 (Cross-sectional shape of coolant hole) appears on 8 US grants and 14 published applications in this corpus.
Search patents in B23B- Granted patents
- 8
- Published applications
- 14
- Assignees
- 11
- Inventors
- 23
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 0 |
| 2004 | 0 | 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 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 3 |
| 2024 | 0 | 3 |
| 2025 | 2 | 3 |
| 2026 | 3 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Drill8 Sep 2026US 12,728,467 B2Osg Corporation
- Drilling tools and inserts with coolant relief and method4 Aug 2026US 12,697,668 B2Allied Machine & Engineering Corp.
- Drill body and manufacturing method of drill body28 Jul 2026US 12,691,507 B2Tungaloy Corporation
- Helical coolant channels in cutting tools4 Nov 2025US 12,459,062 B1Kennametal Inc.
- Rotating tool with coolant hole20 May 2025US 12,303,986 B2Mitsubishi Materials Corporation
- Drilling tool, blank for drilling tool, and method for manufacturing blank for drilling tool11 Jun 2026US 2026/0158563 A1Osg Corporation
- Cutting tool body and cutting tool7 Aug 2025US 2025/0249513 A1Tungaloy Corporation
- Cutting tool31 Jul 2025US 2025/0242414 A1Tungaloy Corporation
- Drill body of an indexable insert drill and indexable insert drill comprising such a drill body20 Feb 2025US 2025/0058384 A1Seco Tools AB
- Rotary tool and method for manufacturing machined product28 Nov 2024US 2024/0390996 A1KYOCERA Corporation
Most cited
By later US patents