- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 31/30 - Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck
Patent holdings for IPC class B23B 31/30
Total number of patents in this class: 249
10-year publication summary
|
16
|
23
|
24
|
17
|
16
|
26
|
20
|
14
|
18
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kennametal Inc. | 1387 |
24 |
| Schunk GmbH & Co. KG Spann- und Greiftechnik | 98 |
13 |
| Franz Haimer Maschinenbau KG | 143 |
12 |
| Gühring KG | 357 |
9 |
| AB Sandvik Coromant | 240 |
8 |
| Disco Corporation | 1864 |
8 |
| Guehring KG | 57 |
6 |
| Core Flow Ltd. | 36 |
5 |
| Mapal Fabrik fur Prazisionswerkzeuge Dr. Kress KG | 146 |
5 |
| SMC Corporation | 1359 |
5 |
| ETP Transmission AB | 25 |
4 |
| Hydra-Lock Corporation | 16 |
4 |
| Samchully Machinery Co., Ltd. | 8 |
4 |
| Rolls-Royce PLC | 3104 |
3 |
| Big Daishowa Seiki Co Ltd | 17 |
3 |
| Haimer GmbH | 73 |
3 |
| Reishauer AG | 96 |
3 |
| Sandvik Intellectual Property AB | 1485 |
3 |
| SMW-AUTOBLOK Spannsysteme GmbH | 102 |
3 |
| The Boeing Company | 20057 |
2 |
| Other owners | 122 |