B23B 31/402
Using fluid-pressure means to actuate the gripping means
Official title: {using fluid-pressure means to actuate the gripping means}
B23B31/402 (Using fluid-pressure means to actuate the gripping means) appears on 36 US grants and 29 published applications in this corpus.
Search patents in B23B- Granted patents
- 36
- Published applications
- 29
- Assignees
- 27
- Inventors
- 78
- Latest grant
- 22 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 3 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 2 |
| 2021 | 2 | 4 |
| 2022 | 4 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Spindle structure22 Aug 2023US 11,731,227 B2Agile Wing Smart Manufacturing Co., Ltd.
- Balancing adapter for a balancing device, balancing device and balancing adapter set14 Mar 2023US 11,602,794 B2Franz Haimer Maschinenbau KG
- Hydrostatically actuated workholding apparatus27 Dec 2022US 11,534,839 B2Hydra-Lock Corporation
- Internal and external clamping method and device of thin-wall tubular part during rotary processing1 Nov 2022US 11,484,991 B2South China University of Technology
- Handling unit and handling device13 Sep 2022US 11,440,204 B2Daiya Seiki Co., Ltd.
- Main-shaft and holder combination, holder, and machine tool18 Jan 2024US 2024/0017333 A1
- Pulling device for a clamping device and clamping device equipped therewith13 Apr 2023US 2023/0114855 A1Reishauer AG
- Spindle Structure20 Oct 2022US 2022/0331920 A1Agile Wing Smart Manufacturing Co., Ltd.
- Internal clamping means for clamping a plurality of workpieces20 Jan 2022US 2022/0016719 A1Hainbuch GmbH Spannende Technik
- Truing device for circular tools and method for mounting/removing circular tools25 Nov 2021US 2021/0362296 A1
Most cited
By later US patents
- Hydraulic chuck device for engagement with the inside of a tube34US 4,393,674 AAir-Mo Hydraulics, Inc. · 1983
- Tool or workpiece chucking device18US 4,387,906 AEminentverktyg A.B. · 1983
- Chuck for tubular workpieces13US 4,422,653 ASheffer Collet Company · 1983
- Front part replacement type finger chuck12US 5,848,795 AKitagawa Iron Works Co., Ltd. · 1998
- Aligning drive mechanism and positioning apparatus having this mechanism11US 7,303,186 B2Kosmek Ltd. · 2007