- All sections
- B - Performing operations; transporting
- B23B - Turning; boring
- B23B 31/18 - Chucks with simultaneously-acting jaws, whether or not also individually adjustable pivotally movable in planes containing the axis of the chuck
Patent holdings for IPC class B23B 31/18
Total number of patents in this class: 40
10-year publication summary
|
6
|
1
|
5
|
4
|
3
|
3
|
5
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
4 |
| Illinois Tool Works Inc. | 11152 |
2 |
| LAM Research AG | 188 |
2 |
| Makita Corporation | 2339 |
2 |
| CITIC Dicastal CO., LTD | 531 |
2 |
| Kitagawa Iron Works Co., Ltd. | 55 |
2 |
| Screen Holdings Co., Ltd. | 2431 |
2 |
| SMW-AUTOBLOK Spannsysteme GmbH | 101 |
2 |
| Hole Dynamics, LLC | 5 |
2 |
| Robert Bosch Tool Corporation | 350 |
1 |
| Depuy Synthes Products, LLC | 2880 |
1 |
| American Grease Stick Company, sole general partner, I. Kurt Rosen, a citizen of the United States, DBA AGS | 18 |
1 |
| C. & E. FEIN GmbH | 187 |
1 |
| citizen Machinery Co., Ltd. | 176 |
1 |
| citizen Watch Co., Ltd. | 1062 |
1 |
| Cummins Inc. | 2369 |
1 |
| Disco Corporation | 1745 |
1 |
| Hayes Lemmerz S.r.l. | 2 |
1 |
| Howa Machinery, Ltd. | 40 |
1 |
| KLA-Tencor Corporation | 2574 |
1 |
| Other owners | 9 |