B23B 33/00
Drivers
Official title: Drivers; Driving centres, Nose clutches, e.g. lathe dogs
B23B33/00 (Drivers) appears on 61 US grants and 16 published applications in this corpus.
Search patents in B23B- Granted patents
- 61
- Published applications
- 16
- Assignees
- 37
- Inventors
- 82
- Latest grant
- 19 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 3 |
| 2003 | 2 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Workpiece adapter system for rotary machine19 Sep 2023US 11,759,902 B2
- High frequency vibration spindle system with noncontact power transmission and method for manufacturing a restraining part used therein23 May 2023US 11,654,493 B2National Chung Hsing University
- Device for clamping a workpiece to be machined29 Dec 2020US 10,875,103 B2SMW-Autoblok Spannsysteme GmbH
- Workpiece clamping device with face driver22 May 2018US 9,975,181 B2Liebherr-Verzahntechnik GmbH
- Material to be worked in face driving and method for working the same3 Jan 2017US 9,533,358 B2Toyota Jidosha Kabushiki Kaisha
- Friction taper clamping system for a machine tool, machine tool, and method for machining a workpiece with a machine tool16 Oct 2025US 2025/0319555 A1Adelbert Haas GmbH
- Workpiece Adapter System For Rotary Machine17 Jun 2021US 2021/0178538 A1
- High frequency vibration spindle system with noncontact power transmission and method for manufacturing a restraining part used therein5 Mar 2020US 2020/0070254 A1National Chung Hsing University
- Device for clamping a workpiece to be machined20 Feb 2020US 2020/0055124 A1SMW-Autoblok Spannsysteme GmbH
- Workpiece clamping device with face driver17 Nov 2016US 2016/0332235 A1Liebherr-Verzahntechnik GmbH
Most cited
By later US patents
- Removable spinning tool assembly27US 5,769,577 A1998
- Chucking device of workpiece in grinding machine18US 4,709,512 AFujitsu Limited · 1987
- Chuck assembly15US 4,616,538 AUMA Corporation · 1986
- Face driver for centering and driving workpieces chucked in a lathe15US 4,677,885 ASandvik-Kosta GmbH · 1987
- Quick-coupling face-driver assembly of a rotary drive device and method for changing face drivers13US 5,771,762 A1998