- All sections
- B - Performing operationstransporting
- B23F - Making gears or toothed racks
- B23F 5/04 - Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding the tool being a grinding worm
Patent holdings for IPC class B23F 5/04
Total number of patents in this class: 106
10-year publication summary
|
8
|
8
|
3
|
2
|
4
|
5
|
10
|
4
|
8
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8703 |
14 |
| Mitsubishi Heavy Industries Machine Tool Co., Ltd. | 140 |
14 |
| Liebherr-Verzahntechnik GmbH | 69 |
11 |
| Reishauer AG | 94 |
10 |
| KAPP NILES GmbH & Co. KG | 27 |
9 |
| Niles Werkzeugmaschinen GmbH | 19 |
5 |
| KAPP Werkzeugmaschinen GmbH | 10 |
4 |
| Noritake Co., Limited | 258 |
4 |
| ZF Friedrichshafen AG | 7134 |
3 |
| Aisin AW Co., Ltd. | 2328 |
2 |
| Klingelnberg AG | 79 |
2 |
| Noritake Coated Abrasive Co., Ltd | 13 |
2 |
| SAMP S.p.A. Con Unico Socio | 21 |
2 |
| Toyota Motor Hokkaido Inc. | 7 |
2 |
| Yushiro Chemical Industry Co., Ltd. | 60 |
2 |
| Nagase Integrex Co., Ltd. | 9 |
2 |
| Honda Motor Co., Ltd. | 25192 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4943 |
1 |
| AI Machine Tech Co., Ltd. | 2 |
1 |
| Aisin AI Co., Ltd. | 121 |
1 |
| Other owners | 14 |