- All sections
- B - Performing operationstransporting
- B23F - Making gears or toothed racks
- B23F 5/02 - 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
Patent holdings for IPC class B23F 5/02
Total number of patents in this class: 45
10-year publication summary
|
2
|
3
|
6
|
2
|
2
|
3
|
1
|
3
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Gleason Works | 201 |
10 |
| Mitsubishi Heavy Industries Machine Tool Co., Ltd. | 140 |
4 |
| Gleason-Pfauter Maschinenfabrik GmbH | 92 |
3 |
| Sikorsky Aircraft Corporation | 1100 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8764 |
2 |
| ZF Friedrichshafen AG | 7158 |
2 |
| JTEKT Corporation | 2508 |
2 |
| Profilator GmbH & Co. KG | 63 |
2 |
| Reishauer AG | 96 |
2 |
| KAPP NILES GmbH & Co. KG | 28 |
2 |
| Robert Bosch GmbH | 42721 |
1 |
| AI Machine Tech Co., Ltd. | 2 |
1 |
| Aisin AI Co., Ltd. | 121 |
1 |
| Bourn & Koch, Inc. | 2 |
1 |
| Dalian University of Technology | 1521 |
1 |
| Klingelnberg AG | 81 |
1 |
| Liebherr-Verzahntechnik GmbH | 69 |
1 |
| Schuster Maschinenbau GmbH | 4 |
1 |
| ZF Wind Power Antwerpen N.V. | 198 |
1 |
| Gleason Switzerland AG | 11 |
1 |
| Other owners | 3 |