B23F 21/20
Fly cutters
B23F21/20 (Fly cutters) appears on 1 US grants and 8 published applications in this corpus.
Search patents in B23F- Granted patents
- 1
- Published applications
- 8
- Assignees
- 4
- Inventors
- 13
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Milling tool and method for chamfering flank edges of teeth on a cylindrical toothed workpiece25 Jun 2026US 2026/0175303 A1AB Sandvik Coromant
- Workpiece chamfering10 Oct 2024US 2024/0335893 A1FELSOMAT GmbH & Co. KG
- Device And Method For Producing Bevels On Tooth Flanks Of Gearwheels28 Sep 2023US 2023/0302558 A1Profilator GmbH & Co. KG
- Tool and Method for Creating Back Tapers at the Teeth of a Toothing of a Gear4 Aug 2022US 2022/0241879 A1Präwema Antriebstechnik GmbH
- Deburring tool14 May 2020US 2020/0147706 A1
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.