B23Q 39/023
Simultaneous working of toolheads
Official title: {simultaneous working of toolheads}
B23Q39/023 (Simultaneous working of toolheads) appears on 40 US grants and 45 published applications in this corpus.
Search patents in B23Q- Granted patents
- 40
- Published applications
- 45
- Assignees
- 44
- Inventors
- 93
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 5 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 3 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 4 |
| 2014 | 1 | 3 |
| 2015 | 3 | 2 |
| 2016 | 0 | 2 |
| 2017 | 4 | 1 |
| 2018 | 0 | 3 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 4 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Machine tool18 Aug 2026US 12,708,974 B2Etxe-Tar, S.A.
- Machine tool having independent type tool post11 Aug 2026US 12,703,024 B2Hanwha Precision Machinery Co., Ltd.
- Indexing processing machine28 Apr 2026US 12,611,745 B2Sugino Machine Limited
- Multi-spindle machine tools28 Nov 2023US 11,826,867 B2Brinkman Products, Inc.
- Multi-spindle machine tools7 Jun 2022US 11,351,647 B2Brinkman Products, Inc.
- 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
- Indexing processing machine8 Feb 2024US 2024/0042564 A1Sugino Machine Limited
- Machine tool12 Oct 2023US 2023/0321780 A1Etxe-Tar, S.A.
- A numerically controlled turning center with double turning axis9 Feb 2023US 2023/0039453 A1Paolino Bacci 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
- Multi-function riveting/fastening machine and method of operating60US 4,967,947 A1990
- Hole forming system with multiple spindles per station20US 5,920,973 AElectro Scientific Industries, Inc. · 1999
- Composite NC lathe19US 6,626,075 B2Nakamura-Tome Precision Industry Co., Ltd. · 2003
- Multi-head type of electro-discharging machine18US 5,075,530 A1991