B23B 9/00
Automatic or semi-automatic turning-machines with a plurality of working-spindles
Official title: Automatic or semi-automatic turning-machines with a plurality of working-spindles, e.g. automatic multiple-spindle machines with spindles arranged in a drum carrier able to be moved into predetermined positions; Equipment therefor (equipment applicable to single-spindle machines B23B7/00)
B23B9/00 (Automatic or semi-automatic turning-machines with a plurality of working-spindles) appears on 42 US grants and 32 published applications in this corpus.
Search patents in B23B- Granted patents
- 42
- Published applications
- 32
- Assignees
- 34
- Inventors
- 73
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 3 | 1 |
| 2018 | 0 | 2 |
| 2019 | 3 | 2 |
| 2020 | 3 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 1 | 7 |
| 2025 | 0 | 0 |
| 2026 | 4 | 2 |
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.
- Transpirational cooling panel7 Jul 2026US 12,673,372 B2The Boeing Company
- Multi-spindle machine tool14 Apr 2026US 12,599,996 B2Index-Werke GmbH & Co. KG Hahn & Tessky
- Control method of superimposition processing of NC machine tool13 Jan 2026US 12,523,986 B2Nakamura-Tome Precision Industry Co., Ltd.
- Efficient brake disc processing device18 Jun 2024US 12,011,769 B2Longkou Tiangong Machinery Parts Co., Ltd
- Machine tool8 Oct 2026US 2026/0307196 A1Etxe-Tar, S.A.
- Additive processing device, additive processing method, and additive processing program9 Apr 2026US 2026/0097563 A1Dmg Mori Co., Ltd.
- Machine Tool System and Method of Controlling Machine Tool System11 Jul 2024US 2024/0227026 A9Star Micronics Co., Ltd.
- Vibration-cutting condition setting device for machine tool11 Jul 2024US 2024/0227035 A9Star Micronics Co., Ltd.
- Machine Tool System and Method of Controlling Machine Tool System25 Apr 2024US 2024/0131597 A1Star Micronics Co., Ltd.
Most cited
By later US patents
- Multi-station machine tool with pairs of tool-and work-spindles34US 3,990,133 AGildemeister Aktiengesellschaft · 1976
- Multi-spindle chucking machine20US 4,665,781 AHofer Industries Inc. · 1987
- Machine tool with a cooled motor spindle20US 5,062,330 AIndex-Werke Komm.-Ges. Hahn & Tessky · 1991
- Spindle drives for multi spindle lathes19US 4,185,366 AWickman Machine Tool Sales Limited · 1980
- Multiple-spindle machine tool15US 3,978,565 AEunipp AG · 1976