- All sections
- B - Performing operationstransporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 3/74 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs and having means for effecting auxiliary operations
Patent holdings for IPC class B31B 3/74
Total number of patents in this class: 13
10-year publication summary
|
2
|
2
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toptec Company Limited | 33 |
4 |
| WestRock Shared Services, LLC | 562 |
4 |
| Sun Automation, Inc. | 40 |
2 |
| Sunwoo Paper Co.,Ltd. | 2 |
2 |
| Henecs Co., Ltd. | 1 |
1 |
| Other owners | 0 |