B23B 31/142
To grip a tool or workpiece
Official title: {To grip a tool or workpiece}
B23B31/142 (To grip a tool or workpiece) appears on 38 US grants and 14 published applications in this corpus.
Search patents in B23B- Granted patents
- 38
- Published applications
- 14
- Assignees
- 27
- Inventors
- 52
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Component for connecting a clamping holder to a shaft23 Dec 2025US 12,502,717 B2Schenck RoTec GmbH
- Adaptive precision chuck29 Nov 2022US 11,511,355 B2Brunel University London
- Chuck26 Oct 2021US 11,154,938 B2SMW-Autoblok Spannsysteme GmbH
- Self-tightening rotary tool holding system30 Jul 2019US 10,363,609 B2Robert Bosch GmbH
- Substrate processing apparatus30 Oct 2018US 10,115,623 B2SCREEN Holdings Co., Ltd.
- Component for receiving and clamping a rotor19 Feb 2026US 2026/0048439 A1Schenck RoTec GmbH
- Component for connecting a clamping holder to a shaft19 Oct 2023US 2023/0330753 A1Schenck RoTec GmbH
- Adaptive Precision Chuck15 Apr 2021US 2021/0107068 A1Brunel University London
- Chuck19 Mar 2020US 2020/0086397 A1SMW-Autoblok Spannsysteme GmbH
- Substrate processing apparatus10 May 2018US 2018/0130695 A1SCREEN Holdings Co., Ltd.
Most cited
By later US patents
- High speed precision drilling system56US 4,761,876 ADynamotion Corporation · 1988
- High speed drilling spindle43US 4,869,626 ADynamotion Corporation · 1989
- Quick release integrated collet and chuck device41US 5,921,563 APower Tool Holders Incorporated · 1999
- Quick release integrated collet and chuck device37US 5,820,136 APower Tool Holders Incorporated · 1998
- Centrifugal chuck for surgical handpiece27US 5,833,246 ALinvatec Corporation · 1998