B23B 2233/00
Details of centres or drivers
B23B2233/00 (Details of centres or drivers) appears on 22 US grants and 10 published applications in this corpus.
Search patents in B23B- Granted patents
- 22
- Published applications
- 10
- Assignees
- 16
- Inventors
- 38
- Latest grant
- 9 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 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 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- B23B 2233/20Centres or drivers with convex surfacesIndexing code7
- B23B 2233/24Centres or drivers with insertsIndexing code6
- B23B 2233/04Means to allow the facing of the axial end of the workpieceIndexing code4
- B23B 2233/16Centres or drivers comrprising chucksIndexing code3
- B23B 2233/08Centres or drivers comprising a ballIndexing code2
- B23B 2233/32Yieldable centresIndexing code2
- B23B 2233/12Centres or drivers with a special arrangement of bearings or with specialIndexing code1
- B23B 2233/28Centres or drivers supporting the workpiece at three points around the circumferenceIndexing code1
Recent patents
- Centering guide cage apparatus for interior wall drilling9 Mar 2021US 10,940,544 B2
- Adjustable pipe center and method21 Apr 2020US 10,625,346 B2
- Center-rotation type tailstock10 Sep 2019US 10,406,603 B2Futamura Kiki Kabushiki Kaisha
- Method for achieving length accuracy of diamond turned parts26 Feb 2019US 10,213,842 B2Spy Eye, LLC
- Workpiece clamping device with face driver22 May 2018US 9,975,181 B2Liebherr-Verzahntechnik GmbH
- Friction taper clamping system for a machine tool, machine tool, and method for machining a workpiece with a machine tool16 Oct 2025US 2025/0319555 A1Adelbert Haas GmbH
- Adjustable tailstock of a woodturning lathe13 Jun 2024US 2024/0189916 A1Penn State Industries
- Centering Guide Cage Apparatus for Interior Wall Drilling27 Jun 2019US 2019/0193170 A1
- Adjustable pipe center and method14 Feb 2019US 2019/0047053 A1
- Method for achieving length accuracy of diamond turned parts16 Aug 2018US 2018/0229312 A1Spy Eye, LLC
Most cited
By later US patents
- Cutting insert and method of making the same34US 6,769,844 B2Kennametal Inc. · 2004
- Method and apparatus for machining hardened parts apparatus for machining hardened parts12US 5,527,400 ADana Corporation · 1996
- Workholding apparatus10US 5,797,605 AThe Gleason Works · 1998
- Chuck assembly for a veneer lathe8US 4,141,397 A1979
- Apparatus for supporting crystalline wafers8US 4,445,494 AWacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH · 1984