- 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: 274
10-year publication summary
|
23
|
14
|
25
|
21
|
12
|
25
|
28
|
18
|
11
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apex Brands, Inc. | 820 |
28 |
| Black & Decker, Inc. | 2402 |
17 |
| Robert Bosch GmbH | 40953 |
16 |
| Zhejiang Sanou Machinery Co. Ltd. | 22 |
14 |
| Rohm GmbH | 299 |
12 |
| Milwaukee Electric Tool Corporation | 3572 |
11 |
| Jacobs Chuck Manufacturing (Suzhou) Co., Ltd. | 15 |
11 |
| Shandong Weida Machinery Co., Ltd. | 25 |
10 |
| Roehm GmbH | 94 |
9 |
| Stryker Corporation | 3864 |
5 |
| The Boeing Company | 19843 |
4 |
| Weihai Dawang Hardware Products Limited | 8 |
4 |
| GM Global Technology Operations LLC | 13620 |
3 |
| Depuy Synthes Products, LLC | 2880 |
3 |
| Etablissements Amyot S.A. | 3 |
3 |
| J.R. Automation Technologies, L.L.C. | 40 |
3 |
| Llambrich Precision, S.L. | 12 |
3 |
| Positec Power Tools (Suzhou) Co., Ltd. | 642 |
3 |
| Premiere, Inc. | 17 |
3 |
| SMS Meer GmbH | 68 |
3 |
| Other owners | 109 |