- All sections
- B - Performing operations; transporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 50/99 - Making rigid or semi-rigid containers, e.g. boxes or cartons using hand tools
Patent holdings for IPC class B31B 50/99
Total number of patents in this class: 4
10-year publication summary
|
0
|
3
|
0
|
1
|
1
|
0
|
0
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0
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1
|
0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Crayola LLC | 177 |
1 |
| OVH | 272 |
1 |
| Parric Ningbo Stationery and Gifts Mrg. Co., Ltd. | 1 |
1 |
| Durrenberg | 5 |
1 |
| Other owners | 0 |