B23Q 3/12
Devices holding, supporting, or positioning work or tools, of a kind normally
Official title: for securing to a spindle in general (B23Q3/152 takes precedence; chucks B23B31/02)
B23Q3/12 (Devices holding, supporting, or positioning work or tools, of a kind normally) appears on 231 US grants and 223 published applications in this corpus.
Search patents in B23Q- Granted patents
- 231
- Published applications
- 223
- Assignees
- 155
- Inventors
- 504
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 6 |
| 2002 | 3 | 5 |
| 2003 | 7 | 4 |
| 2004 | 3 | 5 |
| 2005 | 3 | 6 |
| 2006 | 3 | 4 |
| 2007 | 3 | 7 |
| 2008 | 3 | 4 |
| 2009 | 1 | 4 |
| 2010 | 4 | 8 |
| 2011 | 7 | 12 |
| 2012 | 1 | 6 |
| 2013 | 2 | 9 |
| 2014 | 6 | 22 |
| 2015 | 7 | 12 |
| 2016 | 18 | 9 |
| 2017 | 15 | 6 |
| 2018 | 11 | 13 |
| 2019 | 5 | 10 |
| 2020 | 8 | 15 |
| 2021 | 13 | 18 |
| 2022 | 15 | 11 |
| 2023 | 5 | 9 |
| 2024 | 9 | 5 |
| 2025 | 5 | 6 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-spindle machine tool14 Apr 2026US 12,599,996 B2Index-Werke GmbH & Co. KG Hahn & Tessky
- Methods and apparatuses for decoupling a fuselage from a mandrel20 Jan 2026US 12,528,145 B2The Boeing Company
- Reducing sleeve, modular system for providing a reducing sleeve assembly, and machining assembly13 Jan 2026US 12,521,799 B2
- Hole saw arbor having an adjustable connection mechanism9 Dec 2025US 12,491,569 B2Milwaukee Electric Tool Corporation
- Flange21 Oct 2025US 12,447,570 B2Disco Corporation
- Apparatus having a coiling device23 Jul 2026US 2026/0208248 A1SMS group GmbH
- Tool holder16 Jul 2026US 2026/0199988 A1PCM Precision Tooling SA
- Machine tool9 Jul 2026US 2026/0192412 A1Fanuc Corporation
- Spindle System With an Induction Element Integrated Into the Clamping Section of the Tool Holder25 Jun 2026US 2026/0175336 A1DMG MORI Ultrasonic Lasertec GmbH
- Processed bone retainer11 Jun 2026US 2026/0157862 A1Nissin Fulfil Co., Ltd.
Most cited
By later US patents
- Hand-held tool with detachable tool bit chuck106US 4,824,298 AHilti Aktiengesellschaft · 1989
- Removable chuck104US 5,951,026 ABlack & Decker Inc. · 1999
- Hammer drill87US 4,131,165 ARobert Bosch GmbH · 1978
- Removable chuck74US 6,079,716 ABlack & Decker Inc. · 2000
- Hand held power tool with removable tool holder72US 5,199,833 ARobert Bosch GmbH · 1993