- All sections
- B - Performing operationstransporting
- B23F - Making gears or toothed racks
- B23F 17/00 - Special methods or machines for making gear teeth, not covered by groups
Patent holdings for IPC class B23F 17/00
Total number of patents in this class: 138
10-year publication summary
|
9
|
13
|
17
|
16
|
15
|
6
|
4
|
3
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Profilator GmbH & Co. KG | 63 |
18 |
| Gleason-Pfauter Maschinenfabrik GmbH | 91 |
13 |
| The Gleason Works | 201 |
13 |
| Liebherr-Verzahntechnik GmbH | 69 |
7 |
| Felsomat GmbH & Co. KG | 49 |
6 |
| JTEKT Corporation | 2450 |
5 |
| Sikorsky Aircraft Corporation | 1123 |
5 |
| Engineered Abrasives, Inc. | 31 |
4 |
| SAMP S.p.A. Con Unico Socio | 22 |
4 |
| ZF Friedrichshafen AG | 7043 |
3 |
| Breton SpA | 95 |
3 |
| Klingelnberg AG | 75 |
3 |
| Prawema Antriebstechnik GmbH | 34 |
3 |
| Toyota Motor Corporation | 30499 |
2 |
| Ford Global Technologies, LLC | 20091 |
2 |
| Aisin Seiki Kabushiki Kaisha | 2284 |
2 |
| American Axle & Manufacturing, Inc. | 657 |
2 |
| Fairfield Manufacturing Company, Inc. | 43 |
2 |
| Feintool International Holding AG | 111 |
2 |
| Klingelnberg GmbH | 53 |
2 |
| Other owners | 37 |