- All sections
- B - Performing operations; transporting
- B23B - Turning; boring
- B23B 31/12 - Chucks with simultaneously-acting jaws, whether or not also individually adjustable
Patent holdings for IPC class B23B 31/12
Total number of patents in this class: 267
10-year publication summary
|
14
|
25
|
21
|
12
|
25
|
28
|
16
|
11
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Black & Decker, Inc. | 2405 |
16 |
| Barclays Bank plc, AS Collateral Agent | 200 |
15 |
| Zhejiang Sanou Machinery Co. Ltd. | 22 |
14 |
| Robert Bosch GmbH | 41786 |
13 |
| Apex Brands, Inc. | 669 |
13 |
| Milwaukee Electric Tool Corporation | 4100 |
12 |
| Rohm GmbH | 267 |
12 |
| Jacobs Chuck Manufacturing (Suzhou) Co., Ltd. | 17 |
12 |
| Roehm GmbH | 77 |
9 |
| Shandong Weida Machinery Co., Ltd. | 23 |
9 |
| Stryker Corporation | 4462 |
5 |
| Weihai Dawang Hardware Products Limited | 8 |
4 |
| GM Global Technology Operations LLC | 14260 |
3 |
| Depuy Synthes Products, LLC | 2820 |
3 |
| Etablissements Amyot S.A. | 3 |
3 |
| J.R. Automation Technologies, L.L.C. | 39 |
3 |
| Llambrich Precision, S.L. | 12 |
3 |
| Positec Power Tools (Suzhou) Co., Ltd. | 692 |
3 |
| Premiere, Inc. | 17 |
3 |
| SMS Meer GmbH | 66 |
3 |
| Other owners | 109 |