B23B 31/141
To counterbalance the jaws
Official title: {To counterbalance the jaws}
B23B31/141 (To counterbalance the jaws) appears on 25 US grants and 10 published applications in this corpus.
Search patents in B23B- Granted patents
- 25
- Published applications
- 10
- Assignees
- 21
- Inventors
- 35
- Latest grant
- 12 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Lathe fixture for machining hub12 Apr 2022US 11,298,752 B2CITIC Dicastal Co., Ltd.
- Wheel fixture12 Apr 2022US 11,298,797 B2CITIC Dicastal Co., Ltd.
- Aluminum alloy hub lathe fixture2 Apr 2019US 10,245,648 B2CITIC Dicastal Co., Ltd.
- Clamping device27 Mar 2012US 8,141,884 B2Schunk GmbH & Co. KG Spann-Und Greiftechnik
- Diaphragm chuck19 Jul 2011US 7,980,565 B2SMW-Autoblok Spannsysteme GmbH
- Chuck arrangement and method for fastening and rotating a workpiece using such17 Feb 2022US 2022/0048116 A1M.P.C.-System AB
- Chuck arrangement and method for fastening and rotating a workpiece using such chuck arrangement having counterweights mechanically connected to the chuck jaws17 Feb 2022US 2022/0048117 A1M.P.C.-System AB
- Lathe fixture for machining hub24 Sep 2020US 2020/0298320 A1CITIC Dicastal Co., Ltd.
- Wheel fixture24 Oct 2019US 2019/0321939 A1CITIC Dicastal Co., Ltd.
- Aluminum alloy hub lathe fixture2 Nov 2017US 2017/0312833 A1CITIC Dicastal Co., Ltd.
Most cited
By later US patents
- Power-operated chuck16US 5,060,957 APaul Forkardt GmbH & Co. KG · 1991
- Force-balanced lathe chuck with safety ring14US 4,275,892 A1981
- Chuck with anti-centrifugal force feature11US 3,984,114 AThe S-P Manufacturing Corporation · 1976
- Self-contained power chuck with centrifugally balanced jaws11US 4,009,888 ACushman Industries, Incorporated · 1977
- Counterbalanced chuck10US 4,047,723 ABuck Tool Company · 1977