- All sections
- B - Performing operations; transporting
- B23F - Making gears or toothed racks
- B23F 21/18 - Taper hobs, e.g. for bevel gears
Patent holdings for IPC class B23F 21/18
Total number of patents in this class: 3
10-year publication summary
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Danfoss Power Solutions S.r.l. | 5 |
1 |
| Gleason-Pfauter Maschinenfabrik GmbH | 89 |
1 |
| Profilator GmbH & Co. KG | 64 |
1 |
| Other owners | 0 |