- 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: 51
10-year publication summary
|
2
|
5
|
4
|
3
|
4
|
3
|
16
|
1
|
4
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Disco Corporation | 1866 |
3 |
| Illinois Tool Works Inc. | 11478 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5669 |
2 |
| JTEKT Corporation | 2508 |
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 | 46197 |
1 |
| Android Industries LLC | 119 |
1 |
| CITIC Dicastal CO., LTD | 560 |
1 |
| Erwin Junker Maschinenfabrik GmbH | 40 |
1 |
| Fives Landis Limited | 43 |
1 |
| Hunan University | 153 |
1 |
| Kuroda Precision Industries Ltd. | 112 |
1 |
| Nippon Electric Glass Co., Ltd. | 2463 |
1 |
| North University of China | 120 |
1 |
| NTT Advanced Technology Corporation | 82 |
1 |
| Okamoto Machine Tool Works, Ltd. | 16 |
1 |
| Optipro Systems, L.L.C. | 12 |
1 |
| Shandong University of Technology | 118 |
1 |
| Shenyang University of Technology | 36 |
1 |
| Other owners | 24 |