B23D 41/08
Broaching machines or broaching devices characterised only by constructional features of particular
Official title: of drives; of control devices
B23D41/08 (Broaching machines or broaching devices characterised only by constructional features of particular) appears on 11 US grants and 8 published applications in this corpus.
Search patents in B23D- Granted patents
- 11
- Published applications
- 8
- Assignees
- 11
- Inventors
- 19
- Latest grant
- 4 Jan 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 3 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Broaching machine and lathe comprising same4 Jan 2022US 11,213,902 B2Doosan Machine Tools Co., Ltd.
- Device with multiple units for processing strips of material21 Jan 2020US 10,537,969 B2Seoul Laser Dieboard System Co., Ltd.
- Device for keyway broaching21 Feb 2017US 9,573,233 B2Wto Werkzeug-Einrichtungen GmbH
- Steel back two-way synchronous broaching device and use method thereof29 Nov 2016US 9,506,513 B2Util (Guangzhou) Auto Parts Co., Ltd
- Broaching device18 Oct 2016US 9,468,984 B2Mitsubishi Heavy Industries, Ltd.
- Method and apparatus for cutting grooves in a bore29 Aug 2024US 2024/0286209 A1Gühring KG
- An electric broaching press operating with an electric cylinder3 Aug 2023US 2023/0241693 A1
- Broaching machine and lathe comprising same12 Dec 2019US 2019/0375031 A1Doosan Machine Tools Co., Ltd.
- Device with multiple units for processing strips of material8 Sep 2016US 2016/0256966 A1Seoul Laser Dieboard System Co., Ltd.
- Device for Keyway Broaching14 May 2015US 2015/0132077 A1Wto Werkzeug-Einrichtungen GmbH
Most cited
By later US patents
- Linear blind broaching machine6US 6,648,568 B2Utica Enterprises, Inc. · 2003
- Broach pulling mechanism3US 4,180,360 AThe Babcock & Wilcox Company · 1979
- Field-portable hole broaching machines and methods for using the same3US 9,434,014 B1BNSF Railway Company · 2016
- Mechanical drive for a blind spline broaching machine2US 5,919,015 AUtica Enterprises, Inc. · 1999
- Broaching machine safety1US 4,477,215 A1984