B23D 37/00
Broaching machines or broaching devices
B23D37/00 (Broaching machines or broaching devices) appears on 161 US grants and 86 published applications in this corpus.
Search patents in B23D- Granted patents
- 161
- Published applications
- 86
- Assignees
- 108
- Inventors
- 280
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 3 | 6 |
| 2003 | 9 | 8 |
| 2004 | 5 | 5 |
| 2005 | 0 | 3 |
| 2006 | 3 | 6 |
| 2007 | 2 | 4 |
| 2008 | 4 | 1 |
| 2009 | 1 | 3 |
| 2010 | 4 | 9 |
| 2011 | 2 | 3 |
| 2012 | 2 | 0 |
| 2013 | 0 | 2 |
| 2014 | 4 | 4 |
| 2015 | 3 | 7 |
| 2016 | 3 | 2 |
| 2017 | 3 | 2 |
| 2018 | 4 | 5 |
| 2019 | 3 | 4 |
| 2020 | 4 | 0 |
| 2021 | 2 | 4 |
| 2022 | 3 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23D 37/02Broaching machines with horizontally-arranged working tools44
- B23D 37/005Broaching machines or broaching devices: for cylindrical workpieces40
- B23D 37/08Broaching machines with vertically-arranged working tools34
- B23D 37/22Broaching machines or broaching devices: for special purposes28
- B23D 37/14Broaching machines with rotatably-arranged working tools13
- B23D 37/18Broaching machines with working tools mounted on an endless chain or belt7
- B23D 37/20Broaching machines with arrangements for working in opposite directions3
Recent patents
- Stepped rotary broaches and methods and systems employing same4 Aug 2026US 12,697,670 B2
- Broaching tool, broaching machine comprising such a tool and method for machining a workpiece using such a machine19 Nov 2024US 12,145,204 B2Safran Aircraft Engines
- Wheel bearing unit for a motor vehicle as well as method for producing a wheel bearing unit12 Dec 2023US 11,840,114 B2Audi AG
- Orthopaedic redressing device17 May 2022US 11,331,133 B2Medical Device Research Australia Pty Ltd
- Methods of shaping slots with computer numerical controlled machining centers29 Mar 2022US 11,285,552 B2Ford Global Technologies, LLC
- Method for making a barrel arbor23 Apr 2026US 2026/0110988 A1Nivarox-FAR S. A.
- Broach Cutter Grinding with Rake Angle Control16 Oct 2025US 2025/0319565 A1Rtx Corporation
- Stepped rotary broaches and methods and systems employing same5 Dec 2024US 2024/0399477 A1
- 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
Most cited
By later US patents
- Process for the manufacturing of joining profiles169US 6,681,820 B2Pergo (Europe) AB · 2004
- Process and apparatus for treating inner surface treatment of chamber and vacuum chamber118US 5,626,682 AHitachi, Ltd. · 1997
- Apparatus for treating the inner surface of vacuum chamber111US 5,820,320 AHitachi, Ltd. · 1998
- Monotonic cutting machine27US 4,790,698 ACm Systems, LLC · 1988
- Turn broach abnormality sensing apparatus27US 6,201,567 B1Komatsu Ltd. · 2001