- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 31/28 - Chucks characterised by features relating primarily to remote control of the gripping means using electric or magnetic means in the chuck
Patent holdings for IPC class B23B 31/28
Total number of patents in this class: 107
10-year publication summary
|
7
|
9
|
6
|
5
|
9
|
3
|
7
|
2
|
4
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 20579 |
6 |
| NGK Insulators, Ltd. | 5174 |
6 |
| SMW-AUTOBLOK Spannsysteme GmbH | 104 |
6 |
| Schaeffler Technologies AG & Co. KG | 11182 |
4 |
| Rohm GmbH | 261 |
4 |
| Tokyo Electron Limited | 13948 |
3 |
| The Boeing Company | 20193 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48861 |
2 |
| ASML Netherlands B.V. | 8019 |
2 |
| Lam Research Corporation | 5705 |
2 |
| Shinko Electric Industries Co., Ltd. | 1246 |
2 |
| Centre Technique des Industries Mecaniques | 68 |
2 |
| CITIC Dicastal CO., LTD | 568 |
2 |
| Ecole Nationale Superieure D'arts et Metiers (ensam) | 44 |
2 |
| Hexagon Metrology, Inc. | 144 |
2 |
| Positec Power Tools (Suzhou) Co., Ltd. | 767 |
2 |
| Wsl | 10 |
2 |
| Wielandts Upmt | 3 |
2 |
| Rocky Mountain Twist Corporation | 19 |
2 |
| Adelbert Haas GmbH | 38 |
2 |
| Other owners | 50 |