- All sections
- B - Performing operationstransporting
- 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: 20
10-year publication summary
|
1
|
2
|
1
|
1
|
2
|
1
|
0
|
0
|
1
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Gleason Works | 196 |
3 |
| Mazda Motor Corporation | 3326 |
2 |
| American Axle & Manufacturing, Inc. | 630 |
2 |
| Dalian University of Technology | 1611 |
2 |
| Klingelnberg AG | 84 |
2 |
| GM Global Technology Operations LLC | 16255 |
1 |
| Gleason-Pfauter Maschinenfabrik GmbH | 97 |
1 |
| Nachi-Fujikoshi Corp. | 134 |
1 |
| Toyota Motor Kyushu Inc. | 10 |
1 |
| Xi'an University of Technology | 48 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12301 |
1 |
| Nanjing Gongda CNC Technology Co., Ltd | 4 |
1 |
| Wuxi Donghe Metal Products Co.,Ltd. | 4 |
1 |
| KAPP NILES GmbH & Co. KG | 37 |
1 |
| Other owners | 0 |