B23B 31/28
Using electric or magnetic means in the chuck
Official title: using electric or magnetic means in the chuck
B23B31/28 (Using electric or magnetic means in the chuck) appears on 101 US grants and 102 published applications in this corpus.
Search patents in B23B- Granted patents
- 101
- Published applications
- 102
- Assignees
- 78
- Inventors
- 205
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 2 |
| 2007 | 3 | 2 |
| 2008 | 1 | 4 |
| 2009 | 0 | 2 |
| 2010 | 2 | 3 |
| 2011 | 1 | 6 |
| 2012 | 2 | 6 |
| 2013 | 0 | 4 |
| 2014 | 7 | 7 |
| 2015 | 5 | 11 |
| 2016 | 5 | 9 |
| 2017 | 9 | 2 |
| 2018 | 4 | 10 |
| 2019 | 10 | 4 |
| 2020 | 3 | 4 |
| 2021 | 3 | 4 |
| 2022 | 5 | 1 |
| 2023 | 1 | 7 |
| 2024 | 4 | 3 |
| 2025 | 3 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chuck17 Mar 2026US 12,576,451 B2SMW-Autoblok Spannsysteme GmbH
- Mechatronic drive module20 Jan 2026US 12,529,415 B2SMW-Autoblok Spannsysteme GmbH
- Modular workholding apparatus19 Aug 2025US 12,390,982 B2Hexagon Metrology, Inc.
- Clamping device for tool holder10 Jun 2025US 12,325,077 B2AB Sandvik Coromant
- Electrospindle with integrated feed with automatic tool holder change3 Jun 2025US 12,318,848 B2Centre Technique des Industries Mecaniques
- Device for handling a clamping ram7 May 2026US 2026/0124684 A1Adelbert Haas GmbH
- Electronic device, deposition apparatus and method for manufacturing display device by using the same19 Mar 2026US 2026/0082861 A1Samsung Display Co., Ltd.
- Machine tool, chuck gripping force detection method, and chuck fastening amount setting method12 Feb 2026US 2026/0042154 A1Citizen Machinery Co., Ltd.
- Device for handling a clamping ram16 Oct 2025US 2025/0319524 A1Adelbert Haas GmbH
- Chuck with Magnetic Jaw and Methods of Using the Same24 Jul 2025US 2025/0235935 A1
Most cited
By later US patents
- Magnetic chuck assembly49US 5,921,562 A1999
- Small outer diameter quick release extension rod35US 8,864,143 B22014
- Magnetic tool changer34US 4,614,137 AThe Boeing Company · 1986
- Electrostatic chuck and showerhead with enhanced thermal properties and methods of making thereof33US 8,916,021 B2APPLIED Materials.Inc. · 2014
- Machine tool with a sliding screw drive31US 4,852,434 APaul Forkardt GmbH & Co. KG · 1989