- All sections
- B - Performing operationstransporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 50/44 - Folding sheets, blanks or webs by plungers moving through folding dies
Patent holdings for IPC class B31B 50/44
Total number of patents in this class: 87
10-year publication summary
|
2
|
5
|
11
|
9
|
5
|
8
|
11
|
10
|
8
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonoco Development, Inc. | 571 |
10 |
| WestRock Shared Services, LLC | 569 |
9 |
| Emmeci S.p.A. | 38 |
5 |
| Stora Enso Oyj | 1658 |
4 |
| Graphic Packaging International, LLC | 1499 |
4 |
| Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.p.A. | 149 |
3 |
| G.D S.p.A. | 1104 |
3 |
| I.M.A. Industria Macchine Automatiche S.p.A. | 475 |
3 |
| Sidel Participations | 1016 |
3 |
| Jospak Oy | 23 |
3 |
| Tavil Ind, S.A.U. | 11 |
3 |
| Airlite Plastics Co. | 94 |
2 |
| BluePrint Holding B.V. | 22 |
2 |
| Panotec SRL | 63 |
2 |
| Rychiger AG | 24 |
2 |
| Blanking Systems, Inc. | 73 |
1 |
| Crayola LLC | 190 |
1 |
| Creata (USA) Inc. | 2 |
1 |
| Delkor Systems, Inc. | 40 |
1 |
| GDM S.p.A. | 88 |
1 |
| Other owners | 24 |