B23B 29/244
Toolposts, i.e. clamping quick-change toolholders, without description of the angular positioning device
Official title: {Toolposts, i.e. clamping quick-change toolholders, without description of the angular positioning device (toolposts with manually operated angular positioning devices B23B29/285; toolposts with power operated angular positioning devices B23B29/326)}
B23B29/244 (Toolposts, i.e. clamping quick-change toolholders, without description of the angular positioning device) appears on 31 US grants and 21 published applications in this corpus.
Search patents in B23B- Granted patents
- 31
- Published applications
- 21
- Assignees
- 22
- Inventors
- 52
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 4 |
| 2025 | 1 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tool rest and machine tool25 Aug 2026US 12,715,048 B2Dmg Mori Co., Ltd.
- Machine tool26 May 2026US 12,636,710 B2Mazak Corporation
- Quick change tool block adapter, systems, and methods24 Jun 2025US 12,337,394 B1Triad National Security, LLC
- Tool holder2 Apr 2024US 11,945,035 B2ESA Eppinger GmbH
- Machine tool having a movable tool carrier, tool carrier and tool holder therefor21 Feb 2023US 11,583,938 B2ESA Eppinger GmbH
- Method for machining a workpiece and adapter for use when machining a workpiece29 May 2025US 2025/0170657 A1Dmg Mori Bergamo S.R.L.
- Tool Rest and Machine Tool19 Dec 2024US 2024/0416426 A1Dmg Mori Co., Ltd.
- Tool Rest and Machine Tool19 Dec 2024US 2024/0416428 A1Dmg Mori Co., Ltd.
- Tool holder and tool rest for machine tool19 Sep 2024US 2024/0307975 A1Star Micronics Co., Ltd.
- Machine tool14 Mar 2024US 2024/0082927 A1Mazak Corporation
Most cited
By later US patents
- Tool changer for vertical boring machine1,027US 4,321,746 AWhite Consolidated Industries, Inc. · 1982
- Composite tool unit for chip-removing machining25US 4,632,614 A1986
- Toolholder with cam locking mechanism23US 6,003,415 AHouston Instrument Tooling Company, Inc. · 1999
- Tool changing device for a lathe12US 4,055,095 AGeorg Fischer Aktiengesellschaft · 1977
- Tool holder for lathe10US 4,520,701 A1985