B23B 29/242
Turrets, without description of the angular positioning device
Official title: {Turrets, without description of the angular positioning device (turret lathes for turning individually-chucked workpieces B23B3/16; turrets with manually operated angular positioning devices B23B29/282; turrets with power operated angular positioning devices B23B29/323)}
B23B29/242 (Turrets, without description of the angular positioning device) appears on 78 US grants and 71 published applications in this corpus.
Search patents in B23B- Granted patents
- 78
- Published applications
- 71
- Assignees
- 56
- Inventors
- 164
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 4 |
| 2005 | 2 | 2 |
| 2006 | 4 | 3 |
| 2007 | 2 | 2 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 3 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 3 |
| 2014 | 4 | 4 |
| 2015 | 2 | 2 |
| 2016 | 3 | 1 |
| 2017 | 2 | 2 |
| 2018 | 2 | 3 |
| 2019 | 4 | 6 |
| 2020 | 3 | 10 |
| 2021 | 7 | 1 |
| 2022 | 2 | 2 |
| 2023 | 4 | 4 |
| 2024 | 3 | 3 |
| 2025 | 2 | 5 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Turret device16 Jun 2026US 12,654,232 B2Dmg Mori Co., Ltd.
- Turning tool and turning device2 Jun 2026US 12,643,157 B2Sumitomo Electric Industries, Ltd.
- Utilities supply apparatus for tool holder of machine tool23 Dec 2025US 12,502,741 B2Dn Solutions Co., Ltd.
- Long boring bar device of machine tool2 Sep 2025US 12,403,534 B2Dn Solutions Co., Ltd.
- Tool holder2 Apr 2024US 11,945,035 B2ESA Eppinger GmbH
- Blocking device of tool holders on lathes16 Jul 2026US 2026/0199987 A1Algra S.P.A.
- Cnc lathe live radial tool spacer26 Mar 2026US 2026/0084254 A1
- Holder, cutting tool and machining method5 Feb 2026US 2026/0034586 A1Tungaloy Corporation
- Utilities supply apparatus for tool holder of machine tool4 Sep 2025US 2025/0276386 A1Dn Solutions Co., Ltd.
- Turret lathe and tool preparation method8 May 2025US 2025/0144714 A1Yamazaki Mazak Corporation
Most cited
By later US patents
- Clamping device41US 4,135,418 AKennametal Inc. · 1979
- Machine tool having a special indexable turret and method of operation22US 4,018,112 AKennametal Inc. · 1977
- Tool holder for turret lathe19US 6,865,789 B2Yamazaki Mazak Corporation · 2005
- Revolving tool holder for a rotary machine such as a lathe or drill17US 3,955,257 AMax Muller Brinker Maschinenfabrik Zweigniederlassung der Gildemeister Aktiengesellschaft, Bielefeld · 1976
- Tool turret for a machine tool and lathe with such a tool turret16US 6,128,812 AIndex-Werke GmbH & Co. KG Hahn & Tessky · 2000