B23Q 39/021
With a plurality of toolheads per workholder, whereby the toolhead is a
Official title: {with a plurality of toolheads per workholder, whereby the toolhead is a main spindle, a multispindle, a revolver or the like}
B23Q39/021 (With a plurality of toolheads per workholder, whereby the toolhead is a) appears on 293 US grants and 314 published applications in this corpus.
Search patents in B23Q- Granted patents
- 293
- Published applications
- 314
- Assignees
- 226
- Inventors
- 674
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 1 |
| 2002 | 11 | 13 |
| 2003 | 6 | 11 |
| 2004 | 6 | 7 |
| 2005 | 8 | 13 |
| 2006 | 4 | 11 |
| 2007 | 9 | 8 |
| 2008 | 6 | 14 |
| 2009 | 7 | 18 |
| 2010 | 4 | 7 |
| 2011 | 5 | 16 |
| 2012 | 8 | 6 |
| 2013 | 8 | 14 |
| 2014 | 16 | 21 |
| 2015 | 12 | 15 |
| 2016 | 8 | 13 |
| 2017 | 16 | 11 |
| 2018 | 7 | 16 |
| 2019 | 15 | 16 |
| 2020 | 13 | 16 |
| 2021 | 9 | 12 |
| 2022 | 7 | 13 |
| 2023 | 13 | 16 |
| 2024 | 6 | 16 |
| 2025 | 11 | 3 |
| 2026 | 9 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Machine tool18 Aug 2026US 12,708,974 B2Etxe-Tar, S.A.
- Machine tool for the robot-supported machining of workpieces with two rotatable tools18 Aug 2026US 12,708,982 B2FerRobotics Compliant Robot Technology GmbH
- Machine tool having independent type tool post11 Aug 2026US 12,703,024 B2Hanwha Precision Machinery Co., Ltd.
- Cutting apparatus for fuel basket containing spent nuclear fuel in heavy water reactor23 Jun 2026US 12,661,723 B2Korea Hydro & Nuclear Power Co., Ltd.
- Machine and method of manufacture for EIFS panels19 May 2026US 12,629,788 B2Marvel Integration, LLC
- Machine tool8 Oct 2026US 2026/0307196 A1Etxe-Tar, S.A.
- Machining center for machining an elongated metal workpiece3 Sep 2026US 2026/0257312 A1Afw Holding GmbH
- Rotary tool device and machine tool27 Aug 2026US 2026/0249412 A1Citizen Machinery Co., Ltd.
- Machine tool and method of machining workpiece23 Jul 2026US 2026/0208366 A1Yamazaki Mazak Corporation
- Turning machine tool21 May 2026US 2026/0138191 A1E.M.G. Srl
Most cited
By later US patents
- High throughput hole forming system with multiple spindles per station116US 6,174,271 B1Electro Scientific Industries, Inc. · 2001
- Multi-function riveting/fastening machine and method of operating60US 4,967,947 A1990
- Numerically-controlled lathe, numerically-controlled device therefor and processing procedure thereby53US 5,127,140 AHitachi Seiki Co., Ltd. · 1992
- Compact machining center for multifunction46US 5,885,199 A1999
- Apparatus for performing automated manufacturing operations on panel-shaped workpieces39US 6,430,796 B1The Boeing Company · 2002