- 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
2
|
1
|
1
|
2
|
6
|
4
|
2
|
0
|
2
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Howa Machinery, Ltd. | 35 |
6 |
Kitagawa Iron Works Co., Ltd. | 58 |
3 |
Yamazaki Mazak Corporation | 209 |
3 |
Samsung Electronics Co., Ltd. | 145025 |
2 |
EV Group GmbH | 45 |
2 |
The Gleason Works | 200 |
2 |
Hainbuch GmbH Spannende Technik | 36 |
2 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 42389 |
1 |
Cavanaugh, Patrick D. | 4 |
1 |
CITIC Dicastal CO., LTD | 558 |
1 |
Total Wood Working Tools LLC | 15 |
1 |
Workholding US Holdings, LLC | 6 |
1 |
Other owners | 0 |