- All sections
- B - Performing operationstransporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 47/00 - Hand tools for making envelopes, bags, boxes or cartons
Patent holdings for IPC class B31B 47/00
Total number of patents in this class: 4
10-year publication summary
|
2
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Derwa, Louis | 1 |
1 |
| Sacma S.p.A. | 8 |
1 |
| Parric Ningbo Stationery and Gifts Mrg. Co., Ltd. | 1 |
1 |
| Keepsake Card Craft (2004) Limited | 1 |
1 |
| Other owners | 0 |