- All sections
- B - Performing operationstransporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 1/50 - Folding sheets, blanks, or webs by plungers moving through folding dies and interconnecting side walls during such movement by folding or tucking in locking flaps by interengaging tongues and slots
Patent holdings for IPC class B31B 1/50
Total number of patents in this class: 7
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
|
|---|---|---|
| Graphic Packaging International, LLC | 1629 |
2 |
| C.H. Robinson Worldwide, Inc. | 85 |
1 |
| Coroplast, Inc. | 2 |
1 |
| Maxco Supply, Inc. | 11 |
1 |
| Pratt Corrugated Holdings, Inc. | 323 |
1 |
| WestRock Shared Services, LLC | 530 |
1 |
| Other owners | 0 |