B23B 31/4053
Using fluid-pressure means to actuate the gripping means
Official title: {using fluid-pressure means to actuate the gripping means}
B23B31/4053 (Using fluid-pressure means to actuate the gripping means) appears on 16 US grants and 10 published applications in this corpus.
Search patents in B23B- Granted patents
- 16
- Published applications
- 10
- Assignees
- 14
- Inventors
- 35
- Latest grant
- 30 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Device for restraining/locking mechanical parts on machine tools30 May 2023US 11,660,683 B2Hydroblock S.r.l.
- Adjustable mandrel and fixture8 Nov 2022US 11,491,556 B2CITIC Dicastal Co., Ltd.
- Device for clamping a workpiece13 Sep 2022US 11,440,104 B2
- Fixture for improving balance precision of wheel18 Feb 2020US 10,562,106 B2CITIC Dicastal Co., Ltd.
- Clamping assembly and clamping device with such a clamping assembly13 Nov 2018US 10,124,414 B2Ott-Jakob Spanntechnik GmbH
- Device for restraining/locking mechanical parts on machine tools27 Jan 2022US 2022/0023958 A1Hydroblock S.r.l.
- Internal clamping means for clamping a plurality of workpieces20 Jan 2022US 2022/0016719 A1Hainbuch GmbH Spannende Technik
- Adjustable mandrel and fixture6 May 2021US 2021/0129233 A1CITIC Dicastal Co., Ltd.
- Device for clamping a workpiece11 Jun 2020US 2020/0180042 A1MOST Technik GmbH
- Fixture for improving balance precision of wheel25 Jul 2019US 2019/0224756 A1CITIC Dicastal Co., Ltd.
Most cited
By later US patents
- Expansible mandrel14US 3,997,176 ABorg-Warner Corporation · 1976
- Fluid actuated chuck13US 4,953,877 A1990
- Air shaft12US 4,254,920 ADouble-E Inc. · 1981
- Aligning drive mechanism and positioning apparatus having this mechanism11US 7,303,186 B2Kosmek Ltd. · 2007
- Method and apparatus for processing/machining a vehicle wheel/rim preform6US 7,415,766 B2NorthTech Workholding · 2008