B23B 31/16254
Using fluid-pressure means to actuate the gripping means
Official title: {using fluid-pressure means to actuate the gripping means}
B23B31/16254 (Using fluid-pressure means to actuate the gripping means) appears on 56 US grants and 33 published applications in this corpus.
Search patents in B23B- Granted patents
- 56
- Published applications
- 33
- Assignees
- 39
- Inventors
- 89
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 3 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 3 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 3 | 2 |
| 2019 | 2 | 1 |
| 2020 | 3 | 4 |
| 2021 | 2 | 2 |
| 2022 | 1 | 4 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 3 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Opening/closing chuck and method of manufacturing fingers23 Dec 2025US 12,502,718 B2SMC Corporation
- Pneumatic chuck including valve core interface28 Oct 2025US 12,454,158 B2Dill Air Controls Products, LLC
- Chuck with improved gripping stroke28 Jan 2025US 12,208,452 B2Workholding US Holdings, LLC
- Pneumatic chuck including valve core interface5 Mar 2024US 11,919,338 B2Dill Air Controls Products, LLC
- Workpiece gripping device28 Feb 2023US 11,590,618 B2Jtekt Corporation
- Opening/closing chuck and method of manufacturing fingers8 Aug 2024US 2024/0261874 A1SMC Corporation
- Pneumatic chuck including valve core interface27 Jun 2024US 2024/0208282 A1Dill Air Controls Products, LLC
- Chuck with improved gripping stroke1 Dec 2022US 2022/0379387 A1Workholding US Holdings, LLC
- Chuck20 Oct 2022US 2022/0331884 A1
- Opening/closing chuck and method of manufacturing fingers18 Aug 2022US 2022/0258255 A1SMC Corporation
Most cited
By later US patents
- Fast-release power-chuck assembly for a lathe16US 4,582,331 A1986
- Power operable jaw chuck12US 4,007,943 APaul Forkardt Kommanditgesellschaft · 1977
- Parallel gripper11US 6,830,273 B2Schunk GmbH & Co. KG Fabrik fur Spann- und Greifwerkzeuge · 2004
- Hydraulic chuck assembly10US 5,197,748 A1993
- Gripper device for mounting rubber elastic rings and finger for a gripper device of this type10US 8,671,533 B2Schunk GmbH & Co. KG Spann-Und Greiftechnik · 2014