- All sections
- B - Performing operationstransporting
- B23F - Making gears or toothed racks
- B23F 5/16 - 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 planing or slotting the tool having a shape similar to that of a spur wheel or part thereof
Patent holdings for IPC class B23F 5/16
Total number of patents in this class: 209
10-year publication summary
|
15
|
24
|
18
|
23
|
15
|
16
|
14
|
13
|
9
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gleason-Pfauter Maschinenfabrik GmbH | 97 |
47 |
| Profilator GmbH & Co. KG | 62 |
38 |
| Mitsubishi Heavy Industries Machine Tool Co., Ltd. | 134 |
15 |
| JTEKT Corporation | 2636 |
13 |
| The Gleason Works | 197 |
12 |
| Reishauer AG | 104 |
9 |
| Klingelnberg AG | 84 |
8 |
| Felsomat GmbH & Co. KG | 42 |
7 |
| Prawema Antriebstechnik GmbH | 38 |
7 |
| Eaton Intelligent Power Limited | 6291 |
5 |
| Liebherr-Verzahntechnik GmbH | 78 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9231 |
3 |
| Aisin Seiki Kabushiki Kaisha | 2149 |
3 |
| Gleason Switzerland AG | 11 |
3 |
| California Institute of Technology | 4045 |
2 |
| Schaeffler Technologies AG & Co. KG | 11213 |
2 |
| Gleason Cutting Tools Corporation | 10 |
2 |
| Harmonic Drive Systems Inc. | 482 |
2 |
| Hartmetall-Werkzeugfabrik Paul Horn GmbH | 152 |
2 |
| Sandvik Intellectual Property AB | 1388 |
2 |
| Other owners | 23 |