B23Q 39/04
The sub-assemblies being arranged to operate simultaneously at different stations
Official title: the sub-assemblies being arranged to operate simultaneously at different stations, e.g. with an annular work-table moved in steps (associations of machines connected only by work-transferring means B23Q41/00)
B23Q39/04 (The sub-assemblies being arranged to operate simultaneously at different stations) appears on 417 US grants and 251 published applications in this corpus.
Search patents in B23Q- Granted patents
- 417
- Published applications
- 251
- Assignees
- 258
- Inventors
- 724
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 0 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 10 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 18 | 0 |
| 1993 | 13 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 14 | 0 |
| 2000 | 16 | 0 |
| 2001 | 20 | 10 |
| 2002 | 11 | 19 |
| 2003 | 17 | 9 |
| 2004 | 12 | 11 |
| 2005 | 12 | 14 |
| 2006 | 10 | 5 |
| 2007 | 4 | 4 |
| 2008 | 4 | 4 |
| 2009 | 2 | 7 |
| 2010 | 4 | 12 |
| 2011 | 4 | 7 |
| 2012 | 4 | 4 |
| 2013 | 11 | 8 |
| 2014 | 5 | 4 |
| 2015 | 4 | 6 |
| 2016 | 4 | 12 |
| 2017 | 7 | 12 |
| 2018 | 9 | 12 |
| 2019 | 14 | 13 |
| 2020 | 11 | 14 |
| 2021 | 10 | 9 |
| 2022 | 9 | 13 |
| 2023 | 3 | 11 |
| 2024 | 9 | 15 |
| 2025 | 8 | 7 |
| 2026 | 9 | 9 |
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.
- Numerical control tool machine14 Jul 2026US 12,678,902 B2Tecno Logica S.R.L.
- Machine tool and method of operating the machine tool16 Jun 2026US 12,654,265 B2Etxe-Tar, S.A.
- Indexing processing machine28 Apr 2026US 12,611,745 B2Sugino Machine Limited
- Transfer machine31 Mar 2026US 12,589,461 B2Grazioli Cesare S.r.l.
- Machine tool8 Oct 2026US 2026/0307196 A1Etxe-Tar, S.A.
- Device and method for machining workpieces on a multi-spindle lathe17 Sep 2026US 2026/0273683 A1
- A Process Method For Automatic Feeding And Discharging Of Multi-Procedure Product On CNC Machining Device10 Sep 2026US 2026/0264184 A1Shenzhen Fsj Intelligent Technical Co., Ltd.
- Apparatus for positioning a tool for automatic machines30 Jul 2026US 2026/0216838 A1
- Transfer machine16 Jul 2026US 2026/0200029 A1Grazioli Cesare S.r.l.
Most cited
By later US patents
- High throughput hole forming system with multiple spindles per station116US 6,174,271 B1Electro Scientific Industries, Inc. · 2001
- System for performing work on workpieces89US 5,271,953 ADelco Electronics Corporation · 1993
- Machine-tool comprising two opposed coaxial spindles61US 4,457,193 ATarex Machines S.A. · 1984
- Multiple-function machine tool with two spindles53US 4,612,832 AKabushiki Kaisha Miyano Tekkosho · 1986
- Numerically-controlled lathe, numerically-controlled device therefor and processing procedure thereby53US 5,127,140 AHitachi Seiki Co., Ltd. · 1992