- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 31/39 - Jaw changers
Patent holdings for IPC class B23B 31/39
Total number of patents in this class: 25
10-year publication summary
|
1
|
1
|
2
|
6
|
4
|
2
|
0
|
2
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Howa Machinery, Ltd. | 32 |
6 |
| Kitagawa Iron Works Co., Ltd. | 59 |
3 |
| Yamazaki Mazak Corporation | 233 |
3 |
| Samsung Electronics Co., Ltd. | 151485 |
2 |
| EV Group GmbH | 45 |
2 |
| The Gleason Works | 200 |
2 |
| Hainbuch GmbH Spannende Technik | 37 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 46613 |
1 |
| Cavanaugh, Patrick D. | 4 |
1 |
| CITIC Dicastal CO., LTD | 565 |
1 |
| Total Wood Working Tools LLC | 15 |
1 |
| Workholding US Holdings, LLC | 13 |
1 |
| Other owners | 0 |