B23B 31/16179
Using fluid-pressure means to actuate the gripping means
Official title: {using fluid-pressure means to actuate the gripping means}
B23B31/16179 (Using fluid-pressure means to actuate the gripping means) appears on 15 US grants and 4 published applications in this corpus.
Search patents in B23B- Granted patents
- 15
- Published applications
- 4
- Assignees
- 15
- Inventors
- 27
- Latest grant
- 20 Aug 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 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 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Large-stroke tensioning device in wheel machining process20 Aug 2019US 10,384,272 B2CITIC Dicastal Co., Ltd.
- Device for holding mechanical parts15 May 2018US 9,969,008 B2
- Drill string chuck13 Apr 2004US 6,719,303 B2Boart Longyear International Holdings, Inc.
- Hydraulic chuck21 Sep 1999US 5,954,346 ABoart Longyear Company
- Method and apparatus for driving a probe into the earth10 Oct 1995US 5,456,325 ASouthwest Research Institute
- Internal clamping means for clamping a plurality of workpieces20 Jan 2022US 2022/0016719 A1Hainbuch GmbH Spannende Technik
- Large-stroke tensioning device in wheel machining process4 Jan 2018US 2018/0001394 A1CITIC Dicastal Co., Ltd.
- Device for holding mechanical parts21 Aug 2014US 2014/0232073 A1Ecs Swisscollet S.A.
- Drill string chuck1 May 2003US 2003/0080520 A1Boart Longyear International Holdings, Inc.
Most cited
By later US patents
- Workpiece machining system31US 5,081,889 AHonda Giken Kogyo Kabushiki Kaisha · 1992
- Drill head with locking chuck19US 3,992,019 ACanadian Mine Services Ltd. · 1976
- Cooperating bolster and fixture construction for quick-change fixturing14US 4,688,974 ADeere & Company · 1987
- Spindle clamping device for machine tool11US 5,302,062 AToshiba Kikai Kabushiki Kaisha · 1994
- Centering and self-adjusting chuck9US 4,300,780 APMC Industries, Inc. · 1981