- All sections
- B - Performing operationstransporting
- B24B - Machines, devices, or processes for grinding or polishingdressing or conditioning of abrading surfacesfeeding of grinding, polishing, or lapping agents
- B24B 47/20 - Drives or gearings for grinding machines or devicesEquipment therefor relating to feed movement
Patent holdings for IPC class B24B 47/20
Total number of patents in this class: 54
10-year publication summary
|
5
|
4
|
3
|
4
|
3
|
16
|
1
|
4
|
8
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Disco Corporation | 1917 |
3 |
| Illinois Tool Works Inc. | 11652 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5842 |
2 |
| JTEKT Corporation | 2540 |
2 |
| Nanjing Li-hang Industry Institute of Bionic Technology Limited Company | 21 |
2 |
| Nanjng Bio-inspired Intelligent Tech Co Ltd | 7 |
2 |
| Mitsubishi Electric Corporation | 47302 |
1 |
| Android Industries LLC | 119 |
1 |
| CITIC Dicastal CO., LTD | 565 |
1 |
| Erwin Junker Maschinenfabrik GmbH | 40 |
1 |
| Fives Landis Limited | 42 |
1 |
| Hunan University | 169 |
1 |
| JFE Steel Corporation | 7163 |
1 |
| Kuroda Precision Industries Ltd. | 112 |
1 |
| Nippon Electric Glass Co., Ltd. | 2497 |
1 |
| North University of China | 136 |
1 |
| NTT Advanced Technology Corporation | 83 |
1 |
| Okamoto Machine Tool Works, Ltd. | 16 |
1 |
| Optipro Systems, L.L.C. | 14 |
1 |
| Shandong University of Technology | 119 |
1 |
| Other owners | 27 |