- All sections
- B - Performing operations; transporting
- B23B - Turning; boring
- B23B 31/171 - Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially actuated by a cam surface in a radial plane
Patent holdings for IPC class B23B 31/171
Total number of patents in this class: 21
10-year publication summary
|
0
|
6
|
3
|
0
|
1
|
1
|
1
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3380 |
3 |
| GM Global Technology Operations LLC | 14229 |
2 |
| Rohm GmbH | 266 |
2 |
| ToolTech, LLC | 16 |
2 |
| CITIC Dicastal CO., LTD | 557 |
1 |
| Closure Systems International Inc. | 159 |
1 |
| Hiwin Technologies Corp. | 335 |
1 |
| McCoy Global Inc. | 54 |
1 |
| Murata Machinery, Ltd. | 1458 |
1 |
| Nissin Manufacturing Co., Ltd. | 31 |
1 |
| SMW-AUTOBLOK Spannsysteme GmbH | 100 |
1 |
| TRUMPF Werkzeugmaschinen GmbH + Co. KG | 560 |
1 |
| Humanchine Company | 2 |
1 |
| Kyocera Industrial Tools Corporation | 19 |
1 |
| Insty-bit, Inc. | 1 |
1 |
| SMW Autoblok Corporation | 1 |
1 |
| Other owners | 0 |