- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 31/16 - Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
Patent holdings for IPC class B23B 31/16
Total number of patents in this class: 213
10-year publication summary
|
8
|
16
|
15
|
7
|
23
|
19
|
16
|
12
|
9
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kitagawa Iron Works Co., Ltd. | 59 |
21 |
| Rohm GmbH | 265 |
16 |
| Barclays Bank plc, AS Collateral Agent | 198 |
10 |
| SMW-AUTOBLOK Spannsysteme GmbH | 102 |
9 |
| M.p.c.-system AB | 8 |
7 |
| Illinois Tool Works Inc. | 11590 |
6 |
| Black & Decker, Inc. | 2407 |
5 |
| Aktiebolaget SKF | 3023 |
5 |
| Howa Machinery, Ltd. | 33 |
4 |
| Schaeffler Technologies AG & Co. KG | 10376 |
3 |
| FANUC Corporation | 6882 |
3 |
| Fuji Corporation | 3457 |
3 |
| LIFTRA IP ApS | 80 |
3 |
| Shandong Weida Machinery Co., Ltd. | 25 |
3 |
| SMS Meer GmbH | 63 |
3 |
| Siemens AG | 24323 |
2 |
| Pratt & Whitney Canada Corp. | 4970 |
2 |
| Robert Bosch GmbH | 43114 |
2 |
| Komatsu NTC Ltd. | 120 |
2 |
| Hilti Aktiengesellschaft | 3541 |
2 |
| Other owners | 102 |