- All sections
- B - Performing operations; transporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 21/00 - Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents, from sheets or blanks, e.g. from flattened tubes
Patent holdings for IPC class B31B 21/00
Total number of patents in this class: 8
10-year publication summary
|
3
|
2
|
2
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ACTI MEDIAS Socièté par actions simplifièe | 2 |
1 |
| CMD Corporation | 69 |
1 |
| Miller Weldmaster Corporation | 53 |
1 |
| Oberthur Technologies of America Corp. | 6 |
1 |
| Wells Fargo Bank, National Association | 2945 |
1 |
| Windmoeller & Hoelscher KG | 166 |
1 |
| Essity Hygiene and Health Aktiebolag | 1990 |
1 |
| Rezip Co. | 11 |
1 |
| Other owners | 0 |