B23B 29/32
Turrets adjustable by power drive, i.e. turret heads
Official title: Turrets adjustable by power drive, i.e. turret heads {(indexing devices B23Q16/00)}
B23B29/32 (Turrets adjustable by power drive, i.e. turret heads) appears on 65 US grants and 62 published applications in this corpus.
Search patents in B23B- Granted patents
- 65
- Published applications
- 62
- Assignees
- 49
- Inventors
- 145
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 3 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 5 |
| 2009 | 2 | 6 |
| 2010 | 2 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 3 | 4 |
| 2016 | 6 | 2 |
| 2017 | 1 | 4 |
| 2018 | 3 | 2 |
| 2019 | 4 | 3 |
| 2020 | 2 | 4 |
| 2021 | 3 | 0 |
| 2022 | 2 | 3 |
| 2023 | 0 | 6 |
| 2024 | 1 | 4 |
| 2025 | 4 | 3 |
| 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.
- Combined processing machine24 Mar 2026US 12,583,035 B2Fuji Corporation
- Turret device18 Nov 2025US 12,472,600 B2Fuji Corporation
- Tooling exchange mechanism and machine tool having the tooling exchange mechanism30 Sep 2025US 12,427,613 B2Citizen Machinery Co., Ltd.
- Cutting tool, tool system and communication control method9 Sep 2025US 12,411,471 B2Sumitomo Electric Industries, Ltd.
- Indexing System for Multiple Insert Lathe Tool Holder13 Nov 2025US 2025/0345861 A1Modern Industries, Inc.
- Lathe, lathe machining system, and method of estimating nose position in lathe7 Aug 2025US 2025/0249516 A1Yamazaki Mazak Corporation
- Turret lathe and tool preparation method8 May 2025US 2025/0144714 A1Yamazaki Mazak Corporation
- Tool Rest and Machine Tool19 Dec 2024US 2024/0416428 A1Dmg Mori Co., Ltd.
- Tool holder and turret24 Oct 2024US 2024/0351112 A1Nt Tool Corporation
Most cited
By later US patents
- Numerically controlled lathe37US 4,413,539 ACitizen Watch Co., Ltd. · 1983
- Turret lathe32US 4,006,518 AGiddings & Lewis, Inc. · 1977
- Turret having rotating and non-rotating tooling26US 4,785,513 AHardinge Brothers, Inc. · 1988
- Compound lathe19US 4,087,890 ACitizen Watch Co., Ltd. · 1978
- Turret head17US 5,125,142 AHitachi Seiki Co., Ltd. · 1992