- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- 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: 258
10-year publication summary
|
14
|
23
|
21
|
12
|
23
|
23
|
15
|
11
|
7
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apex Brands, Inc. | 710 |
15 |
| Barclays Bank plc, AS Collateral Agent | 195 |
15 |
| Milwaukee Electric Tool Corporation | 4490 |
14 |
| Jacobs Chuck Manufacturing (Suzhou) Co., Ltd. | 21 |
14 |
| Robert Bosch GmbH | 42826 |
13 |
| Zhejiang Sanou Machinery Co. Ltd. | 19 |
11 |
| Rohm GmbH | 262 |
10 |
| Roehm GmbH | 78 |
9 |
| Shandong Weida Machinery Co., Ltd. | 25 |
9 |
| Black & Decker, Inc. | 2410 |
7 |
| Stryker Corporation | 5122 |
4 |
| Weihai Dawang Hardware Products Limited | 8 |
4 |
| GM Global Technology Operations LLC | 15192 |
3 |
| Depuy Synthes Products, LLC | 2792 |
3 |
| J.R. Automation Technologies, L.L.C. | 39 |
3 |
| Llambrich Precision, S.L. | 12 |
3 |
| Max Co., Ltd. | 859 |
3 |
| Positec Power Tools (Suzhou) Co., Ltd. | 729 |
3 |
| Premiere, Inc. | 17 |
3 |
| SMS Meer GmbH | 64 |
3 |
| Other owners | 109 |