B23D 41/04
Broaching machines or broaching devices characterised only by constructional features of particular
Official title: of tool-carrying arrangements
B23D41/04 (Broaching machines or broaching devices characterised only by constructional features of particular) appears on 15 US grants and 9 published applications in this corpus.
Search patents in B23D- Granted patents
- 15
- Published applications
- 9
- Assignees
- 14
- Inventors
- 34
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stepped rotary broaches and methods and systems employing same4 Aug 2026US 12,697,670 B2
- Tool holder device for broaching and slotting10 May 2022US 11,325,197 B2Rev S.R.L. Unipersonale
- 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.
- Machine tool23 Apr 2019US 10,265,883 B2Imer International S.p.A.
- Broaching device18 Oct 2016US 9,468,984 B2Mitsubishi Heavy Industries, Ltd.
- 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
- Processing tool and processing tool assembly28 Jul 2022US 2022/0234116 A1
- 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.
- Broach for broaching machine27 May 2021US 2021/0154754 A1Ekin, S. Coop.
Most cited
By later US patents
- Vertical broaching machine for internal broaching6US 4,266,894 A1981
- Helical broach puller6US 4,859,125 ACrankshaft Machine Company · 1989
- Device for stabilizing workstock on a broach tool guide sleeve6US 6,132,151 A2000
- Device for rapid changing of tools, particularly on large-scale machines4US 4,335,499 ARegie Nationale des Usines Renault · 1982
- Broaching machine4US 4,367,992 AWestinghouse Electric Corp. · 1983