- All sections
- B - Performing operationstransporting
- B23F - Making gears or toothed racks
- B23F 19/05 - Honing gear teeth
Patent holdings for IPC class B23F 19/05
Total number of patents in this class: 60
10-year publication summary
|
6
|
7
|
6
|
1
|
3
|
6
|
2
|
3
|
2
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Prawema Antriebstechnik GmbH | 38 |
11 |
| Audi AG | 7601 |
5 |
| Gleason Switzerland AG | 11 |
5 |
| Felsomat GmbH & Co. KG | 42 |
4 |
| The Gleason Works | 195 |
4 |
| Liebherr-Verzahntechnik GmbH | 78 |
3 |
| MDC Max Daetwyler AG | 5 |
3 |
| Gleason-Pfauter Maschinenfabrik GmbH | 97 |
2 |
| Klingelnberg GmbH | 56 |
2 |
| Reishauer AG | 105 |
2 |
| Subaru Corporation | 4121 |
2 |
| Honda Motor Co., Ltd. | 26684 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9271 |
1 |
| ZF Friedrichshafen AG | 7285 |
1 |
| Chongqing University | 312 |
1 |
| KAPP Werkzeugmaschinen GmbH | 10 |
1 |
| Klingelnberg AG | 85 |
1 |
| Metaldyne Company LLC | 10 |
1 |
| Miba Sinter Austria GmbH | 101 |
1 |
| Niles Werkzeugmaschinen GmbH | 19 |
1 |
| Other owners | 8 |