- All sections
- B - Performing operations; transporting
- 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: 74
10-year publication summary
|
6
|
2
|
5
|
11
|
9
|
5
|
10
|
15
|
9
|
1
|
| 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 |
9 |
| Sonoco Development, Inc. | 776 |
8 |
| Stora Enso Oyj | 1504 |
4 |
| Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.p.A. | 162 |
3 |
| Sidel Participations | 984 |
3 |
| Graphic Packaging International, LLC | 1364 |
3 |
| Tavil Ind, S.A.U. | 9 |
3 |
| Airlite Plastics Co. | 93 |
2 |
| BluePrint Holding B.V. | 23 |
2 |
| Emmeci S.p.A. | 34 |
2 |
| G.D S.p.A. | 929 |
2 |
| I.M.A. Industria Macchine Automatiche S.p.A. | 424 |
2 |
| Rychiger AG | 20 |
2 |
| Jospak Oy | 22 |
2 |
| Crayola LLC | 177 |
1 |
| Creata (USA) Inc. | 1 |
1 |
| GDM S.p.A. | 51 |
1 |
| Gima, S.p.A. | 93 |
1 |
| GIMA TT S.p.A. | 34 |
1 |
| ICA S.p.A. | 45 |
1 |
| Other owners | 21 |