B23B 29/323
Turrets with power operated angular positioning devices
Official title: {Turrets with power operated angular positioning devices}
B23B29/323 (Turrets with power operated angular positioning devices) appears on 52 US grants and 42 published applications in this corpus.
Search patents in B23B- Granted patents
- 52
- Published applications
- 42
- Assignees
- 39
- Inventors
- 116
- Latest grant
- 24 Mar 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 | 1 | 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 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 4 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 6 | 2 |
| 2017 | 1 | 4 |
| 2018 | 3 | 2 |
| 2019 | 3 | 0 |
| 2020 | 1 | 3 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 5 |
| 2024 | 0 | 3 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Turret tool holder26 Jul 2022US 11,396,052 B2Citizen Machinery Co., Ltd.
- Turret lathe and tool preparation method8 May 2025US 2025/0144714 A1Yamazaki Mazak Corporation
- Tool holder and turret24 Oct 2024US 2024/0351112 A1Nt Tool Corporation
- Gear-cutting machine, more particularly skiving machine, having a tool changing system24 Oct 2024US 2024/0351122 A1Profilator GmbH & Co. KG
- Cutting Tool Rest25 Jan 2024US 2024/0024960 A1Dmg Mori Co., Ltd.
- Combined processing machine12 Oct 2023US 2023/0321731 A1Fuji 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
- Machine tools16US 4,051,750 AH. Ernault-Somua · 1977