B23F 5/12
Making straight gear teeth involving moving a tool relatively to a workpiece
Official title: by planing or slotting
B23F5/12 (Making straight gear teeth involving moving a tool relatively to a workpiece) appears on 144 US grants and 164 published applications in this corpus.
Search patents in B23F- Granted patents
- 144
- Published applications
- 164
- Assignees
- 64
- Inventors
- 228
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 4 |
| 2012 | 0 | 6 |
| 2013 | 1 | 7 |
| 2014 | 4 | 6 |
| 2015 | 10 | 13 |
| 2016 | 7 | 9 |
| 2017 | 7 | 9 |
| 2018 | 10 | 19 |
| 2019 | 13 | 13 |
| 2020 | 13 | 22 |
| 2021 | 13 | 8 |
| 2022 | 9 | 14 |
| 2023 | 8 | 8 |
| 2024 | 5 | 11 |
| 2025 | 11 | 6 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for shaping a periodic structure, in particular a toothing, and lifting cam29 Sep 2026US 12,746,612 B2Gleason-Pfauter Maschinenfabrik GmbH
- Method for hard fine machining of two toothings on a workpiece, and gear cutting machine, control program, hard fine machining combination tools and sensor assembly therefor22 Sep 2026US 12,741,330 B2Gleason-Pfauter Maschinenfabrik GmbH
- Near zero degrees cross-axis angle gear cutter and method of gear cutting using such a tool14 Jul 2026US 12,678,873 B2Eaton Intelligent Power Limited
- Method for gear shaping a toothing, control program, and gear shaping machine for carrying out the method23 Jun 2026US 12,661,729 B2Gleason-Pfauter Maschinenfabrik GmbH
- Reverse face angle gear cutter and coolant delivery assembly19 May 2026US 12,629,759 B2Eaton Intelligent Power Limited
- Method for toothing machining with subsequent chamfering18 Jun 2026US 2026/0166637 A1Gleason-Pfauter Maschinenfabrik GmbH
- Skiving tool and method for machining tooth flanks of teeth17 Jul 2025US 2025/0229350 A1Reishauer AG
- Method and device for producing undercuts and gearwheels29 May 2025US 2025/0170662 A1Profilator GmbH & Co. KG
- Method for manufacturing gearings with a defined angular position29 May 2025US 2025/0170663 A1Klingelnberg GmbH
- Device and method for producing a spur toothing17 Apr 2025US 2025/0121427 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Method for finishing gears via skiving16US 5,174,699 AHermann Pfauter GmbH & Co. · 1992
- Method for machining the flanks of gears by skiving and apparatus for implementing such method13US 4,865,497 AHermann Pfauter GmbH & Co. · 1989
- Skiving cutter device for use in cutting internal spur gear12US 3,931,754 AKabushiki Kaisha Komatsu Seisakusho · 1976
- Skiving tool comprising cutter bars12US 8,950,301 B2Klingelnberg GmbH · 2015
- Tool and a cutting insert for power skiving12US 9,981,330 B2Sandvik Intellectual Property AB · 2018