- All sections
- B - Performing operations; transporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 3/28 - Machinery characterised by making boxes or cartons by folding single-piece sheets, blanks, or webs and having means for folding sheets, blanks, or webs around mandrels, including bottom-forming operations
Patent holdings for IPC class B31B 3/28
Total number of patents in this class: 20
10-year publication summary
|
3
|
3
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
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 |
3 |
| Elopak Systems AG | 92 |
2 |
| SIG Technology AG | 430 |
2 |
| BURROWS, Anthony, Gregory | 43 |
2 |
| Unilever PLC | 3540 |
1 |
| Unilever N.V. | 3440 |
1 |
| Conopco, Inc. | 4644 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.p.A. | 162 |
1 |
| Elopak AS | 64 |
1 |
| Maxco Supply, Inc. | 11 |
1 |
| MeadWestvaco Packaging Systems LLC | 213 |
1 |
| Rock-Tenn Shared Services, LLC | 53 |
1 |
| Tetra Laval Holdings & Finance S.A. | 2007 |
1 |
| DS Smith Packaging France | 31 |
1 |
| Other owners | 0 |