B23B 2231/2081
Keys, spanners or wrenches to operate the collet chuck
B23B2231/2081 (Keys, spanners or wrenches to operate the collet chuck) appears on 26 US grants and 26 published applications in this corpus.
Search patents in B23B- Granted patents
- 26
- Published applications
- 26
- Assignees
- 18
- Inventors
- 46
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 3 |
| 2007 | 2 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 1 | 3 |
| 2015 | 3 | 1 |
| 2016 | 4 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 1 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Chuck assembly for a rotary power tool2 Dec 2025US 12,485,493 B2Milwaukee Electric Tool Corporation
- Chuck assembly for a rotary power tool10 Aug 2021US 11,084,105 B2Milwaukee Electric Tool Corporation
- Changer device for clamping heads4 May 2021US 10,994,343 B2Hainbuch GmbH Spannende Technik
- Portable milling machine having a spanner23 Mar 2021US 10,953,529 B2Hilti Aktiengesellschaft
- Spindle locking device2 Jan 2018US 9,855,649 B2Robert Bosch GmbH
- Ram clamping system16 Oct 2025US 2025/0319526 A1Adelbert Haas GmbH
- Chuck assembly for a rotary power tool24 Jul 2025US 2025/0235934 A1Milwaukee Electric Tool Corporation
- Chuck assembly for a rotary power tool28 Oct 2021US 2021/0331255 A1Milwaukee Electric Tool Corporation
- Portable milling machine having a spanner18 Jun 2020US 2020/0189008 A1Hilti Aktiengesellschaft
- Changer device for clamping heads19 Dec 2019US 2019/0381633 A1Hainbuch GmbH Spannende Technik
Most cited
By later US patents
- Tool-free collet tightener34US 6,350,087 B1Black & Decker Inc. · 2002
- Bit attaching arrangement for power tool22US 6,042,310 ABlack & Decker Inc. · 2000
- Collet17US 4,214,766 AWilhelm Hainbuch GmbH & Co. · 1980
- Quick setting and release actuator for work holder12US 5,743,539 ATri Tool Inc. · 1998
- Tool-free collet tightener8US 6,648,567 B2Black & Decker Inc. · 2003