B23D 37/005
Broaching machines or broaching devices: for cylindrical workpieces
Official title: {for cylindrical workpieces, e.g. crankshafts (takes precedence over other subgroups)}
B23D37/005 (Broaching machines or broaching devices: for cylindrical workpieces) appears on 40 US grants and 18 published applications in this corpus.
Search patents in B23D- Granted patents
- 40
- Published applications
- 18
- Assignees
- 33
- Inventors
- 67
- Latest grant
- 29 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 2 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 2 | 3 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 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 for machining workpieces9 Mar 2021US 10,940,548 B2Etxe-Tar, S.A.
- Method and tool for producing a surface of predetermined roughness16 Apr 2019US 10,259,059 B2Guehring KG
- Method and tool for producing a surface of predetermined roughness9 May 2017US 9,643,265 B2Guehring KG
- Indexable cutting insert, cutting insert holder, cutting tool, turning device and turning method2 May 2017US 9,636,749 B2Sumitomo Electric Hardmetal Corp.
- Method and apparatus for cutting grooves in a bore29 Aug 2024US 2024/0286209 A1Gühring KG
- Methods of shaping slots with computer numerical controlled machining centers1 Apr 2021US 2021/0094108 A1Ford Global Technologies, LLC
- Machine for machining workpieces4 Jul 2019US 2019/0201988 A1Etxe-Tar, S.A.
- Method and tool for producing a surface of predetermined roughness4 Jun 2015US 2015/0151369 A1Guehring Ohg
- Method for manufacturing rod-like component7 May 2015US 2015/0121696 A1Komatsu Ntc Ltd.
Most cited
By later US patents
- Monotonic cutting machine27US 4,790,698 ACm Systems, LLC · 1988
- Turn broach abnormality sensing apparatus27US 6,201,567 B1Komatsu Ltd. · 2001
- Method and apparatus for machining workpieces with eccentric, substantially rotationally symmetrical, workpiece surfaces20US 5,765,270 ABoehringer Werkzeugmaschinen GmbH · 1998
- Process for twist-free steel cutting of rotational symmetrical surfaces18US 7,216,571 B2Boehringer Werkzeugmaschinen GmbH · 2007
- Crankshaft broaching machine and method14US 4,801,226 ATurn-Broach, Inc. · 1989