- All sections
- B - Performing operations; transporting
- B23F - Making gears or toothed racks
- B23F 9/02 - Making gears having teeth curved in their longitudinal direction by grinding
Patent holdings for IPC class B23F 9/02
Total number of patents in this class: 37
10-year publication summary
|
3
|
5
|
3
|
2
|
2
|
3
|
3
|
5
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Gleason Works | 202 |
11 |
| Klingelnberg AG | 74 |
8 |
| Liebherr-Verzahntechnik GmbH | 72 |
4 |
| Klingelnberg GmbH | 54 |
3 |
| Reishauer AG | 79 |
3 |
| Hunan Zdcy CNC Equipment Co., Ltd. | 11 |
3 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Daicel Corporation | 2128 |
1 |
| FANUC Corporation | 5803 |
1 |
| Mitsubishi Heavy Industries Machine Tool Co., Ltd. | 147 |
1 |
| Scbd (AnHui) E-tech Co., Ltd. | 10 |
1 |
| Other owners | 0 |