B23F 19/002
Modifying the theoretical tooth flank form
Official title: {Modifying the theoretical tooth flank form, e.g. crowning (B23F19/10 takes precedence)}
B23F19/002 (Modifying the theoretical tooth flank form) appears on 109 US grants and 75 published applications in this corpus.
Search patents in B23F- Granted patents
- 109
- Published applications
- 75
- Assignees
- 57
- Inventors
- 161
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 2 | 3 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 7 |
| 2014 | 3 | 1 |
| 2015 | 4 | 2 |
| 2016 | 1 | 6 |
| 2017 | 2 | 5 |
| 2018 | 4 | 8 |
| 2019 | 6 | 7 |
| 2020 | 6 | 2 |
| 2021 | 2 | 4 |
| 2022 | 4 | 7 |
| 2023 | 3 | 2 |
| 2024 | 1 | 3 |
| 2025 | 2 | 3 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing back-tapers on teeth of a gearing of a workpiece in the form of a gearwheel8 Apr 2025US 12,269,103 B2Präwema Antriebstechnik GmbH
- Gear manufacturing apparatus and gear manufacturing method1 Apr 2025US 12,263,532 B2Jtekt Corporation
- Power transmission shaft and method for manufacturing the same1 Oct 2024US 12,104,652 B2Hitachi Astemo, Ltd.
- Tool for producing back-tapers on teeth of a gearing of a workpiece in the form of a gearwheel28 Nov 2023US 11,826,841 B2Präwema Antriebstechnik GmbH
- Method for machining bevel gears using an eccentrically-moved dressable cup grinding wheel7 Nov 2023US 11,806,798 B2Klingelnberg GmbH
- Method and device for producing a modified surface structure on a tooth flank23 Jul 2026US 2026/0208313 A1Reishauer AG
- Gear grinding method and gear grinding device11 Jun 2026US 2026/0158571 A1Jtekt Corporation
- Manufacturing gears with tip and/or root relief7 May 2026US 2026/0124690 A1The Gleason Works
- Method and device for producing undercuts and gearwheels29 May 2025US 2025/0170662 A1Profilator GmbH & Co. KG
- Method for rolling hard-fine machining of a toothing of a workpiece by means of a grinding tool22 May 2025US 2025/0162050 A1Kapp Niles GmbH & Co. KG
Most cited
By later US patents
- Threaded grinding wheel and method of dressing41US 6,217,409 B1The Gleason Works · 2001
- Method of generating bevel and hypoid gears34US 5,116,173 AThe Gleason Works · 1992
- Method for machining gearwheels30US 4,850,155 ALiebherr-Verzahntechnik GmbH · 1989
- Gear tooth topological modification19US 5,315,790 AUnited Technologies Corporation · 1994
- Method of producing tooth flank surface modifications19US 5,580,298 AThe Gleason Works · 1996