- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 31/10 - Chucks characterised by the retaining or gripping devices or their immediate operating means
Patent holdings for IPC class B23B 31/10
Total number of patents in this class: 205
10-year publication summary
|
20
|
12
|
20
|
12
|
19
|
5
|
11
|
10
|
11
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Black & Decker, Inc. | 2471 |
25 |
| Robert Bosch GmbH | 44327 |
17 |
| Milwaukee Electric Tool Corporation | 5045 |
13 |
| Franz Haimer Maschinenbau KG | 141 |
11 |
| C. & E. FEIN GmbH | 193 |
10 |
| Makita Corporation | 2587 |
8 |
| Zhejiang Sanou Machinery Co. Ltd. | 21 |
7 |
| Kennametal Inc. | 1355 |
6 |
| LIFTRA IP ApS | 94 |
3 |
| Schenck RoTec GmbH | 150 |
3 |
| Weihai Dawang Hardware Products Limited | 7 |
3 |
| Robert Bosch Tool Corporation | 333 |
2 |
| citizen Machinery Co., Ltd. | 214 |
2 |
| citizen Watch Co., Ltd. | 1092 |
2 |
| Dcseng Co., Ltd. | 27 |
2 |
| Kitagawa Iron Works Co., Ltd. | 61 |
2 |
| Korea Institute of Machinery & Materials | 801 |
2 |
| Rohm GmbH | 261 |
2 |
| Shandong Weida Machinery Co., Ltd. | 22 |
2 |
| Yamazaki Mazak Corporation | 265 |
2 |
| Other owners | 81 |