B23F 19/057
By making use of a tool in the shape of an internal
Official title: {by making use of a tool in the shape of an internal gear}
B23F19/057 (By making use of a tool in the shape of an internal) appears on 22 US grants and 17 published applications in this corpus.
Search patents in B23F- Granted patents
- 22
- Published applications
- 17
- Assignees
- 16
- Inventors
- 40
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 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 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 3 |
| 2017 | 2 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Honing method with cross-grinding for gear wheels12 Nov 2024US 12,138,701 B2Audi AG
- Tool for cutting teeth or for dressing of a fine machining tool having a set of external teeth28 May 2024US 11,992,888 B2Präwema Antriebstechnik GmbH
- Method for honing toothed wheels30 Jun 2020US 10,695,850 B2Präwema Antriebstechnik GmbH
- Machine for machining workpieces19 Nov 2019US 10,478,909 B2Gleason Switzerland AG
- Honing ring for surface finishing of a toothed workpiece28 May 2026US 2026/0145254 A1Tyrolit Schleifmittelwerke Swarovski K.G.
- Method For Honing a Gear with a Beveloid Toothing5 Feb 2026US 2026/0034596 A1Präwema Antriebstechnik GmbH
- Method for Producing Twists on the Tooth Flanks of an Internally Toothed Workpiece6 Oct 2022US 2022/0314350 A1Präwema Antriebstechnik 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 therefor1 Sep 2022US 2022/0274193 A1Gleason Switzerland AG
- Tool for Cutting Teeth or for Dressing of a Fine Machining Tool Having a Set of External Teeth13 Feb 2020US 2020/0047269 A1Präwema Antriebstechnik GmbH
Most cited
By later US patents
- Machine for the precision working of the tooth flanks of gear-shaped workpieces with an internally toothed tool17US 5,443,338 AHurth Maschinen und Werkzeuge G.m.b.H. · 1995
- Gear finishing apparatus11US 5,347,760 AHonda Giken Kogyo Kabushiki Kaisha · 1994
- Apparatus for manufacturing and machining gears8US 4,630,404 ACarl Hurth Maschinen- und Zahnradfabrik GmbH & Co. · 1986
- Method and apparatus for fine machining of spur gears8US 5,413,520 AReishauer AG · 1995
- Method for the precision machining of gear-wheels5US 5,645,467 AThe Gleason Works · 1997