B23D 41/02
Broaching machines or broaching devices characterised only by constructional features of particular
Official title: of frames; of work supports
B23D41/02 (Broaching machines or broaching devices characterised only by constructional features of particular) appears on 10 US grants and 5 published applications in this corpus.
Search patents in B23D- Granted patents
- 10
- Published applications
- 5
- Assignees
- 8
- Inventors
- 18
- Latest grant
- 29 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods of shaping slots with computer numerical controlled machining centers29 Mar 2022US 11,285,552 B2Ford Global Technologies, LLC
- Machine tool23 Apr 2019US 10,265,883 B2Imer International S.p.A.
- Steel back two-way synchronous broaching device and use method thereof29 Nov 2016US 9,506,513 B2Util (Guangzhou) Auto Parts Co., Ltd
- Field-portable hole broaching machines and methods for using the same6 Sep 2016US 9,434,014 B1BNSF Railway Company
- Table top broaching machine16 Sep 2014US 8,834,081 B2American Broach & Machine, Co.
- An electric broaching press operating with an electric cylinder3 Aug 2023US 2023/0241693 A1
- Methods of shaping slots with computer numerical controlled machining centers1 Apr 2021US 2021/0094108 A1Ford Global Technologies, LLC
- Machine tool20 Apr 2017US 2017/0106563 A1Imer International S.p.A.
- Steel Backing Two-Way Synchronous Drawloom and Use Method Thereof2 Oct 2014US 2014/0291081 A1Util (Guangzhou) Auto Parts Co., Ltd
- Table top broaching machine5 May 2011US 2011/0103913 A1American Broach & Machine, Co.
Most cited
By later US patents
- Machine tool structure for noise reduction5US 3,955,472 ALear Siegler, Inc. · 1976
- Vertical broaching machine with multiple broaches5US 5,184,985 AOfficine Meccaniche Varinelli SpA · 1993
- Adjustable retriever5US 5,785,470 A1998
- Field-portable hole broaching machines and methods for using the same3US 9,434,014 B1BNSF Railway Company · 2016
- Workpiece receptacle for presses2US 6,155,760 A2000