B23D 41/06
Broaching machines or broaching devices characterised only by constructional features of particular
Official title: of devices for feeding, clamping, or ejecting workpieces
B23D41/06 (Broaching machines or broaching devices characterised only by constructional features of particular) appears on 18 US grants and 5 published applications in this corpus.
Search patents in B23D- Granted patents
- 18
- Published applications
- 5
- Assignees
- 14
- Inventors
- 31
- Latest grant
- 5 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Unit for broaching rules of die cutters and method to perform the broaching of a rule for die cutters5 Oct 2021US 11,135,663 B2Pro Form S.R.L.
- Broaching device18 Oct 2016US 9,468,984 B2Mitsubishi Heavy Industries, Ltd.
- Field-portable hole broaching machines and methods for using the same6 Sep 2016US 9,434,014 B1BNSF Railway Company
- Method of broaching a work-piece23 Mar 2010US 7,681,300 B2GM Global Technology Operations LLC
- Work piece centering device and method of broaching22 Jul 2008US 7,402,011 B2GM Global Technology Operations LLC
- Unit for broaching rules of die cutters and method to perform the broaching of a rule for die cutters29 Jul 2021US 2021/0229194 A1Pro Form S.R.L.
- Broaching device29 Aug 2013US 2013/0223947 A1Mitsubishi Heavy Industries, Ltd.
- Work Piece Centering Device and Method of Broaching6 Mar 2008US 2008/0052894 A1GM Global Technology Operations LLC
- Work piece centering device and method of broaching28 Dec 2006US 2006/0288551 A1GM Global Technology Operations LLC
- Linear blind broaching machine18 Jul 2002US 2002/0094251 A1Utica Enterprises, Inc.
Most cited
By later US patents
- Infeed shuttle table for vertical broach15US 4,477,216 AThe Ohio Broach & Machine Company · 1984
- Workpiece holder for a vertical broaching machine for broaching annular workpieces14US 4,184,691 AOswald ForstMaschinenfabrik und Apparatebauanstalt GmbH · 1980
- Broaching machine improvements9US 4,212,573 ATy Miles, Inc. · 1980
- Linear blind broaching machine6US 6,648,568 B2Utica Enterprises, Inc. · 2003
- Broaching machine4US 4,367,992 AWestinghouse Electric Corp. · 1983