- All sections
- B - Performing operationstransporting
- B23F - Making gears or toothed racks
- B23F 19/10 - Chamfering the end edges of gear teeth
Patent holdings for IPC class B23F 19/10
Total number of patents in this class: 135
10-year publication summary
|
17
|
13
|
16
|
11
|
7
|
6
|
9
|
9
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gleason-Pfauter Maschinenfabrik GmbH | 95 |
27 |
| Profilator GmbH & Co. KG | 62 |
14 |
| The Gleason Works | 198 |
12 |
| Felsomat GmbH & Co. KG | 44 |
11 |
| Liebherr-Verzahntechnik GmbH | 78 |
9 |
| Prawema Antriebstechnik GmbH | 38 |
6 |
| Schaeffler Technologies AG & Co. KG | 10968 |
4 |
| JTEKT Corporation | 2583 |
3 |
| AB Sandvik Coromant | 299 |
3 |
| OSG Corporation | 351 |
3 |
| Sumitomo Electric Industries, Ltd. | 16331 |
2 |
| Aisin AW Co., Ltd. | 2254 |
2 |
| Engineered Abrasives, Inc. | 31 |
2 |
| Klingelnberg AG | 84 |
2 |
| Klingelnberg GmbH | 57 |
2 |
| Sumitomo Electric Sintered Alloy, Ltd. | 245 |
2 |
| Kreuz Co., Ltd. | 3 |
2 |
| Eaton Intelligent Power Limited | 6243 |
2 |
| eMag GmbH & Co. KG | 26 |
2 |
| Honda Motor Co., Ltd. | 26025 |
1 |
| Other owners | 24 |