B23D 37/22
Broaching machines or broaching devices: for special purposes
Official title: for special purposes (B23D37/14 takes precedence)
B23D37/22 (Broaching machines or broaching devices: for special purposes) appears on 28 US grants and 24 published applications in this corpus.
Search patents in B23D- Granted patents
- 28
- Published applications
- 24
- Assignees
- 25
- Inventors
- 57
- Latest grant
- 12 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 3 | 4 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 4 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 3 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 3 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wheel bearing unit for a motor vehicle as well as method for producing a wheel bearing unit12 Dec 2023US 11,840,114 B2Audi AG
- Methods of shaping slots with computer numerical controlled machining centers29 Mar 2022US 11,285,552 B2Ford Global Technologies, LLC
- 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.
- Device with multiple units for processing strips of material21 Jan 2020US 10,537,969 B2Seoul Laser Dieboard System Co., Ltd.
- Entrance and exit chip rings for balancing broach forces3 Sep 2019US 10,399,158 B2United Technologies Corporation
- 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
- 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.
- Wheel bearing unit for a motor vehicle as well as method for producing a wheel bearing unit13 May 2021US 2021/0138834 A1Audi AG
- Methods of shaping slots with computer numerical controlled machining centers1 Apr 2021US 2021/0094108 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Method of fabricating scroll members25US 4,512,066 AArthur D. Little, Inc. · 1985
- Multi-part dovetail repair broach assembly and methods of use23US 6,551,032 B1General Electric Company · 2003
- Apparatus for working on turbine blade mounting grooves16US 4,537,538 AHitachi, Ltd. · 1985
- Process for broaching of grooves9US 4,294,568 AMotoren- und Turbinen-Union Munchen GmbH · 1981
- Multi-part dovetail repair broach assembly and methods of use9US 6,676,336 B2General Electric Company · 2004