- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 31/19 - Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving parallel to the axis of the chuck
Patent holdings for IPC class B23B 31/19
Total number of patents in this class: 51
10-year publication summary
|
8
|
5
|
7
|
2
|
6
|
3
|
4
|
2
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Black & Decker, Inc. | 2478 |
16 |
| Milwaukee Electric Tool Corporation | 5066 |
5 |
| Robert Bosch GmbH | 44363 |
4 |
| Makita Corporation | 2601 |
4 |
| Robert Bosch Tool Corporation | 333 |
3 |
| citizen Machinery Co., Ltd. | 216 |
2 |
| citizen Watch Co., Ltd. | 1093 |
2 |
| Fuji Corporation | 3717 |
2 |
| Depuy Synthes Products, LLC | 2777 |
1 |
| C. & E. FEIN GmbH | 194 |
1 |
| Leifeld Metal Spinning GmbH | 9 |
1 |
| Medos International SARL | 818 |
1 |
| Nippon Thompson Co., Ltd. | 231 |
1 |
| SMC Corporation | 1400 |
1 |
| e & Q One-touch | 4 |
1 |
| Zhejiang Jinmei Electric Tools Co., Ltd. | 6 |
1 |
| Kyocera Industrial Tools Corporation | 25 |
1 |
| Seco-e.p.b.(societe Par Actions Simplifiee) | 2 |
1 |
| Maus S.p.A. | 3 |
1 |
| SACCARDO GCF S.r.l. | 3 |
1 |
| Other owners | 1 |