- All sections
- B - Performing operations; transporting
- B23F - Making gears or toothed racks
- B23F 19/02 - Lapping gear teeth
Patent holdings for IPC class B23F 19/02
Total number of patents in this class: 17
10-year publication summary
|
3
|
2
|
1
|
2
|
1
|
1
|
2
|
1
|
0
|
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 |
5 |
| Mazda Motor Corporation | 3087 |
2 |
| American Axle & Manufacturing, Inc. | 649 |
2 |
| Dalian University of Technology | 1387 |
2 |
| Klingelnberg AG | 74 |
2 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Gleason-Pfauter Maschinenfabrik GmbH | 89 |
1 |
| Xi'an University of Technology | 43 |
1 |
| Wuxi Donghe Metal Products Co.,Ltd. | 4 |
1 |
| Other owners | 0 |