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