- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 31/177 - Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially actuated by the oblique surfaces of a coaxial control rod
Patent holdings for IPC class B23B 31/177
Total number of patents in this class: 44
10-year publication summary
|
3
|
4
|
4
|
5
|
11
|
3
|
2
|
3
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kitagawa Iron Works Co., Ltd. | 58 |
13 |
| SMW-AUTOBLOK Spannsysteme GmbH | 102 |
6 |
| Schunk GmbH & Co. KG Spann- und Greiftechnik | 99 |
3 |
| HVM Technology GmbH | 3 |
3 |
| Technic.com | 4 |
3 |
| Dill Air Controls Products, LLC | 9 |
2 |
| Nakamura-Tome Precision Industry Co., Ltd. | 29 |
2 |
| Komatsu NTC Ltd. | 118 |
1 |
| Stryker Corporation | 5008 |
1 |
| CITIC Dicastal CO., LTD | 558 |
1 |
| Franz Haimer Maschinenbau KG | 142 |
1 |
| Fuji Corporation | 3334 |
1 |
| Fuxiang Precision Industrial (Kunshan) Co., Ltd. | 4 |
1 |
| The Gleason Works | 201 |
1 |
| SMC Corporation | 1360 |
1 |
| Forkardt Deutschland GmbH | 3 |
1 |
| Henke, Volker | 1 |
1 |
| Zwickroell GmbH & Co. KG | 27 |
1 |
| Workholding US Holdings, LLC | 6 |
1 |
| Other owners | 0 |