- All sections
- B - Performing operations; transporting
- 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: 191
10-year publication summary
|
23
|
19
|
15
|
24
|
18
|
23
|
14
|
16
|
13
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gleason-Pfauter Maschinenfabrik GmbH | 89 |
40 |
| Profilator GmbH & Co. KG | 64 |
40 |
| Mitsubishi Heavy Industries Machine Tool Co., Ltd. | 147 |
15 |
| The Gleason Works | 202 |
11 |
| JTEKT Corporation | 2423 |
10 |
| Klingelnberg AG | 74 |
8 |
| Prawema Antriebstechnik GmbH | 34 |
6 |
| Felsomat GmbH & Co. KG | 51 |
5 |
| Reishauer AG | 79 |
5 |
| Eaton Intelligent Power Limited | 6113 |
5 |
| Aisin Seiki Kabushiki Kaisha | 2427 |
4 |
| Liebherr-Verzahntechnik GmbH | 72 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Gleason Switzerland AG | 9 |
3 |
| California Institute of Technology | 3884 |
2 |
| Gleason Cutting Tools Corporation | 10 |
2 |
| Harmonic Drive Systems Inc. | 465 |
2 |
| Hartmetall-Werkzeugfabrik Paul Horn GmbH | 154 |
2 |
| Sandvik Intellectual Property AB | 1634 |
2 |
| Flender GmbH | 338 |
2 |
| Other owners | 20 |