- All sections
- B - Performing operations; transporting
- B23F - Making gears or toothed racks
- B23F 19/12 - Chamfering the end edges of gear teeth by grinding
Patent holdings for IPC class B23F 19/12
Total number of patents in this class: 19
10-year publication summary
|
0
|
1
|
3
|
0
|
7
|
1
|
1
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Gleason Works | 202 |
3 |
| Gleason-Pfauter Maschinenfabrik GmbH | 89 |
2 |
| Klingelnberg GmbH | 54 |
2 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| GM Global Technology Operations LLC | 13620 |
1 |
| ZF Friedrichshafen AG | 6820 |
1 |
| Audi AG | 7153 |
1 |
| eMag Holding GmbH | 26 |
1 |
| Hermes Schleifmittel GmbH | 23 |
1 |
| Klingelnberg AG | 74 |
1 |
| SAMP S.p.A. Con Unico Socio | 22 |
1 |
| Sanshin Co., Ltd. | 5 |
1 |
| Audi Hungaria Zrt | 15 |
1 |
| Koepfer Verzahnungsmaschinen GmbH & Co. KG | 1 |
1 |
| KAPP NILES GmbH & Co. KG | 24 |
1 |
| Other owners | 0 |