Patent holdings for IPC class B31B 3/74

Total number of patents in this class: 13

10-year publication summary

2
0
0
0
0
0
0
0
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Toptec Company Limited
33
4
WestRock Shared Services, LLC
541
4
Sun Automation, Inc.
37
2
Sunwoo Paper Co.,Ltd.
2
2
Henecs Co., Ltd.
1
1
Other owners 0