B23B 31/266
Using a threaded spindle
Official title: {using a threaded spindle}
B23B31/266 (Using a threaded spindle) appears on 33 US grants and 4 published applications in this corpus.
Search patents in B23B- Granted patents
- 33
- Published applications
- 4
- Assignees
- 18
- Inventors
- 44
- Latest grant
- 28 Nov 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and a system for automatic tool change by threading engagement for a CNC milling machine28 Nov 2017US 9,827,640 B2
- Machine tool and method for machining a workpiece24 May 2016US 9,346,137 B2MAG IAS GmbH
- Lathe-mounted tool-holder5 Jun 2012US 8,192,116 B2KVK Industries, LLC
- Automatic tool changing assembly for a machine tool11 Nov 2008US 7,448,833 B1
- Attaching device9 Nov 2004US 6,813,984 B1
- Tool-ejecting drawbar assembly23 Apr 2026US 2026/0108955 A1
- Apparatus and a system for automatic tool change by threading engagement for a cnc milling machine22 Dec 2016US 2016/0368108 A1
- Machine tool and method for machining a workpiece20 Jun 2013US 2013/0152374 A1MAG IAS GmbH
- Lathe-mounted tool-holder2 Dec 2010US 2010/0303572 A1KVK Industries, LLC
Most cited
By later US patents
- Tool holder system and method of use43US 5,582,494 A1996
- Tool holder system and method of use30US 4,971,491 A1990
- Tool holder-spindle connection26US 5,322,304 AWayne State University · 1994
- Machine tool arrangement25US 4,167,218 AMeidensha Corporation · 1979
- Tool holder system and method of use25US 4,818,161 A1989