B23Q 3/14
Mandrels in general
Official title: Mandrels in general (expansion mandrels B23B31/40)
B23Q3/14 (Mandrels in general) appears on 9 US grants and 9 published applications in this corpus.
Search patents in B23Q- Granted patents
- 9
- Published applications
- 9
- Assignees
- 7
- Inventors
- 30
- Latest grant
- 28 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 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 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 3 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Tool changing mechanism having function of controlling loosening and pulling tool28 May 2024US 11,992,911 B2Precision Machinery Research & Development Center
- High-precision tensioning device4 Aug 2020US 10,730,159 B2CITIC Dicastal Co., Ltd.
- Circumferential positioning device of automobile hub14 Nov 2017US 9,815,157 B2CITIC Dicastal Co., Ltd.
- Work piece chuck of a manipulator29 Aug 2017US 9,744,602 B2Wuhu Huiying Automatic Equipment Co., Ltd.
- Power tool having improved tool accessory securing mechanism10 Jan 2017US 9,539,682 B2Makita Corporation
- Apparatus having a coiling device23 Jul 2026US 2026/0208248 A1SMS group GmbH
- Tool changing mechanism having function of controlling loosening and pulling tool30 Mar 2023US 2023/0102601 A1Precision Machinery Research & Development Center
- High-precision tensioning device21 Dec 2017US 2017/0361412 A1CITIC Dicastal Co., Ltd.
- Circumferential Positioning Device of Automobile Hub15 Dec 2016US 2016/0361787 A1CITIC Dicastal Co., Ltd.
- Work piece chuck of a manipulator15 Jan 2015US 2015/0014908 A1Taizhou Federal Robot Technology Co., Ltd
Most cited
By later US patents
- Free-floating hydraulic clamping device using expandable arbor17US 6,241,228 B12001
- Power tool having improved tool accessory securing mechanism8US 9,539,682 B2Makita Corporation · 2017
- Accessory clamping mechanism and power tool having the same6US 9,486,934 B2Chervon (HK) Limited · 2016
- Free-floating hydraulic clamping device with edge-gripping arbor4US 6,390,460 B22002
- Free-floating hydraulic clamping device with edge-gripping arbor3US 6,978,988 B22005