- All sections
- B - Performing operations; transporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 50/28 - Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms
Patent holdings for IPC class B31B 50/28
Total number of patents in this class: 97
10-year publication summary
|
8
|
4
|
8
|
18
|
20
|
11
|
11
|
4
|
14
|
2
|
| 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 |
25 |
| Rock-Tenn Shared Services, LLC | 53 |
6 |
| SIG Technology AG | 430 |
6 |
| DS Smith Packaging France | 31 |
6 |
| Elopak AS | 64 |
5 |
| DOME ZERO Inc. | 7 |
5 |
| Lancan Systems Inc. | 6 |
5 |
| Dart Container Corporation | 166 |
3 |
| Telesforo González Maquinaria, SLU | 9 |
3 |
| Multi Packaging Solutions UK Limited | 50 |
2 |
| Otor | 27 |
2 |
| Paper Machinery Corporation | 12 |
2 |
| Michael Hoerauf Maschinenfabrik GmbH und Co. KG | 8 |
2 |
| Graphic Packaging International, LLC | 1364 |
2 |
| Mpi, LLC | 16 |
2 |
| SIG Combibloc Services AG | 25 |
2 |
| Henkel AG & Co. KGaA | 10129 |
1 |
| Bobst Mex SA | 542 |
1 |
| Compagnie Gervais Danone | 894 |
1 |
| DS Smith Packaging Limited | 50 |
1 |
| Other owners | 15 |