- All sections
- B - Performing operationstransporting
- B31C - Making wound articles, e.g. wound tubes, of paper, cardboard or material worked in a manner analogous to paper
- B31C 3/04 - Seam processing
Patent holdings for IPC class B31C 3/04
Total number of patents in this class: 20
10-year publication summary
|
1
|
2
|
1
|
5
|
3
|
0
|
1
|
1
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Envican GmbH | 15 |
4 |
| Ranpak Corp. | 359 |
3 |
| Sonoco Development, Inc. | 496 |
3 |
| The Procter & Gamble Company | 21862 |
2 |
| Philip Morris Products S.A. | 8291 |
2 |
| Chan Li Machinery Co., Ltd. | 33 |
2 |
| General Mills, Inc. | 1039 |
1 |
| International Tobacco Machinery Poland Sp. z o.o. | 206 |
1 |
| Michael Hoerauf Maschinenfabrik GmbH U. Co. KG | 5 |
1 |
| Polyraz Plastics Industries | 2 |
1 |
| Other owners | 0 |