B23B 31/1223
Using fluid-pressure means in the chuck to actuate the gripping means
Official title: {using fluid-pressure means in the chuck to actuate the gripping means}
B23B31/1223 (Using fluid-pressure means in the chuck to actuate the gripping means) appears on 12 US grants and 5 published applications in this corpus.
Search patents in B23B- Granted patents
- 12
- Published applications
- 5
- Assignees
- 11
- Inventors
- 25
- Latest grant
- 24 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Clamping chuck with inclined slides24 Aug 2021US 11,097,355 B2Technic.Com
- Chuck for apparatus for machining a tubular rotating workpiece5 Jul 2016US 9,381,576 B2SMS Meer GmbH
- Power operated chuck26 Apr 2016US 9,321,109 B2SMW-Autoblok Spannsysteme GmbH
- Internal machining apparatus for hollow workpiece9 Jul 2013US 8,479,621 B2Fuji Machine Mfg. Co., Ltd.
- Method and apparatus for processing/machining a vehicle wheel/rim preform26 Aug 2008US 7,415,766 B2NorthTech Workholding
- Clamping chuck with inclined slides10 Dec 2020US 2020/0384545 A1Technic.Com
- Chuck for apparatus for machining a tubular rotating workpiece25 Sep 2014US 2014/0284889 A1SMS Meer GmbH
- Power operated chuck2 Jan 2014US 2014/0001712 A1SMW-Autoblok Spannsysteme GmbH
- Internal machining apparatus for hollow workpiece3 Nov 2011US 2011/0265615 A1Fuji Machine Mfg. Co., Ltd.
- Method and apparatus for processing/machining a vehicle wheel/rim preform2 Mar 2006US 2006/0042091 A1NorthTech Workholding
Most cited
By later US patents
- Drill chuck30US 4,103,914 A1978
- Power slip assembly19US 4,269,277 ABrown Oil Tools, Inc. · 1981
- Hydraulic chuck14US 4,189,162 AAir-Mo Hydraulics, Inc. · 1980
- Automatic chuck for workpieces14US 4,482,162 AKoyo Machine Industries Co., Ltd. · 1984
- Clamping device8US 4,463,481 ASitema, Gesellschaft fur Sicherheitstechnik and Maschinenbau mbH · 1984