- All sections
- B - Performing operations; transporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 50/83 - Cutting window openings
Patent holdings for IPC class B31B 50/83
Total number of patents in this class: 10
10-year publication summary
|
0
|
0
|
0
|
3
|
3
|
2
|
2
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonoco Development, Inc. | 776 |
5 |
| Highcon Systems Ltd. | 40 |
1 |
| Koenig & Bauer AG | 958 |
1 |
| WestRock Shared Services, LLC | 578 |
1 |
| Hope Tree International GmbH | 24 |
1 |
| Carton Service CSI, LLC | 7 |
1 |
| Other owners | 0 |