B23F 9/08
Making gears having teeth curved in their longitudinal direction: by milling
Official title: by milling, e.g. with helicoidal hob
B23F9/08 (Making gears having teeth curved in their longitudinal direction: by milling) appears on 77 US grants and 67 published applications in this corpus.
Search patents in B23F- Granted patents
- 77
- Published applications
- 67
- Assignees
- 39
- Inventors
- 142
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 5 |
| 2006 | 1 | 3 |
| 2007 | 4 | 4 |
| 2008 | 3 | 2 |
| 2009 | 1 | 4 |
| 2010 | 1 | 2 |
| 2011 | 2 | 3 |
| 2012 | 2 | 5 |
| 2013 | 1 | 7 |
| 2014 | 3 | 2 |
| 2015 | 8 | 2 |
| 2016 | 1 | 3 |
| 2017 | 5 | 2 |
| 2018 | 0 | 3 |
| 2019 | 2 | 4 |
| 2020 | 3 | 6 |
| 2021 | 3 | 2 |
| 2022 | 4 | 4 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for manufacturing sintered gear18 Feb 2025US 12,226,860 B2Sumitomo Electric Industries, Ltd.
- Method for manufacturing hypoid gear25 Jun 2024US 12,017,292 B2Mazda Motor Corporation
- Tooling and method for fabricating helical sector gear and related helical sector gear9 Jan 2024US 11,867,273 B2American Axle & Manufacturing, Inc.
- Tooling and method for fabricating helical sector gear and related helical sector gear25 Oct 2022US 11,480,239 B2American Axle & Manufacturing, Inc.
- Apparatus and method for inspecting and/or measuring gear wheels13 Sep 2022US 11,441,894 B2Klingelnberg GmbH
- Tooling and method for fabricating helical sector gear and related helical sector gear29 Dec 2022US 2022/0412444 A1American Axle & Manufacturing, Inc.
- Method for machining and measuring workpieces1 Dec 2022US 2022/0379395 A1Klingelnberg GmbH
- Method for manufacturing sintered gear21 Jul 2022US 2022/0226944 A1Sumitomo Electric Industries, Ltd.
- Method for manufacturing hypoid gear16 Jun 2022US 2022/0184722 A1Mazda Motor Corporation
- Method for manufacturing of gears30 Dec 2021US 2021/0402495 A1Klingelnberg GmbH
Most cited
By later US patents
- Multi-axis bevel and hypoid gear generating machine65US 4,981,402 AThe Gleason Works · 1991
- Method of generating bevel and hypoid gears34US 5,116,173 AThe Gleason Works · 1992
- Method of generating involute tooth forms with a milling cutter33US 4,565,474 AThe Ingersoll Milling Machine Company · 1986
- Method of machining during indexing31US 5,800,103 AThe Gleason Works · 1998
- Machine and method for producing bevel gears27US 6,712,566 B2The Gleason Works · 2004