- All sections
- B - Performing operations; transporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 50/30 - Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms the mandrels moving
Patent holdings for IPC class B31B 50/30
Total number of patents in this class: 9
10-year publication summary
0
|
0
|
0
|
3
|
0
|
1
|
1
|
2
|
1
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
WestRock Shared Services, LLC | 578 |
5 |
International Paper Company | 857 |
1 |
Kyoto Seisakusho Co., Ltd. | 91 |
1 |
Sonoco Development, Inc. | 776 |
1 |
Stora Enso Oyj | 1504 |
1 |
Other owners | 0 |