B23F 21/03
Honing tools
B23F21/03 (Honing tools) appears on 40 US grants and 18 published applications in this corpus.
Search patents in B23F- Granted patents
- 40
- Published applications
- 18
- Assignees
- 27
- Inventors
- 53
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
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| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
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| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
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| 2018 | 0 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 3 |
| 2021 | 0 | 1 |
| 2022 | 3 | 2 |
| 2023 | 1 | 0 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Method of manufacturing a toothed bevel honing tool for honing a toothed bevel workpiece, a toothed bevel honing tool and method of honing bevel gears24 Sep 2024US 12,097,566 B2The Gleason Works
- Method for precision machining a workpiece provided with gearing21 Nov 2023US 11,819,935 B2Präwema Antriebstechnik GmbH
- Skate blade sharpener with indexing stone25 Oct 2022US 11,478,900 B2Maintain Your Edge, LLC
- Honing ring for surface finishing of a toothed workpiece28 May 2026US 2026/0145254 A1Tyrolit Schleifmittelwerke Swarovski K.G.
- Method of manufacturing a toothed bevel honing tool for honing a toothed bevel workpiece, a toothed bevel honing tool and method of honing bevel gears22 Dec 2022US 2022/0402055 A1The Gleason Works
- 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
- Method for Precision Machining a Workpiece Provided With Gearing24 Jun 2021US 2021/0187642 A1Präwema Antriebstechnik GmbH
- Method for producing a workpiece provided with a toothing or profiling10 Dec 2020US 2020/0384557 A1Kapp Niles GmbH & Co. KG
Most cited
By later US patents
- Machine tool for fine machining the tooth flanks of pretoothed gearwheels30US 4,961,289 ALiebherr-Verzahntecknik GmbH · 1990
- Method of grinding the teeth of bevel gears having longitudinally curved teeth25US 4,799,337 AWerkzeugmaschinenfabrik Oerlikon-Buhrle AG · 1989
- Tool for grinding the teeth of bevel gears having longitudinally curved teeth18US 5,255,475 AOerlikon Geartec AG · 1993
- Gear or rack-shaped tool for precision machining of tooth flanks particularly of hardened gears17US 4,610,577 ACarl Hurth Maschinen- und Zahnradfabrik GmbH & Co. · 1986
- Gear-shaped tool and method of generating gears15US 5,044,127 AThe Gleason Works · 1991