- All sections
- B - Performing operationstransporting
- 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: 17
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| WestRock Shared Services, LLC | 545 |
3 |
| Elopak Systems AG | 68 |
2 |
| BURROWS, Anthony, Gregory | 28 |
2 |
| Unilever PLC | 3046 |
1 |
| Unilever N.V. | 2955 |
1 |
| Conopco, Inc. | 4981 |
1 |
| Robert Bosch GmbH | 43631 |
1 |
| Elopak AS | 66 |
1 |
| Maxco Supply, Inc. | 11 |
1 |
| MeadWestvaco Packaging Systems LLC | 128 |
1 |
| Rock-Tenn Shared Services, LLC | 38 |
1 |
| SIG Technology AG | 301 |
1 |
| DS Smith Packaging France | 25 |
1 |
| Other owners | 0 |