B23B 2231/0272
Grooves on conical clamping surfaces
B23B2231/0272 (Grooves on conical clamping surfaces) appears on 5 US grants and 4 published applications in this corpus.
Search patents in B23B- Granted patents
- 5
- Published applications
- 4
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 24 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year.
Recent patents
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- Tool holder fixing structure22 Apr 2014US 8,702,358 B2Toyota Jidosha Kabushiki Kaisha
- Rotary tapered tool holder with adapter sleeve6 Mar 2007US 7,186,064 B1Kennametal Inc.
- Tool holder5 Dec 2006US 7,144,210 B2Kennametal Inc.
Most cited
By later US patents