- All sections
- B - Performing operations; transporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 19/00 - Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents
Patent holdings for IPC class B31B 19/00
Total number of patents in this class: 35
10-year publication summary
|
8
|
7
|
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
|
|---|---|---|
| Windmöller & Hölscher KG | 402 |
4 |
| CMD Corporation | 69 |
3 |
| Lohia Corp Limited | 48 |
3 |
| Sealed Air Corporation (US) | 574 |
2 |
| Windmoeller & Hoelscher KG | 166 |
2 |
| S. C. Johnson & Son, Inc. | 2869 |
1 |
| Blessof GmbH | 2 |
1 |
| Cellpack AG | 12 |
1 |
| Ciggybag GmbH | 3 |
1 |
| C.M.C. S.r.l. | 40 |
1 |
| Cryovac, Inc. | 414 |
1 |
| Ecolean AB | 78 |
1 |
| The Glad Products Company | 542 |
1 |
| Innoflex Incorporated | 25 |
1 |
| Inteplast Group Corporation | 257 |
1 |
| Kern Sistemi S.r.l. | 8 |
1 |
| KIEFEL GmbH | 114 |
1 |
| Mondi AG | 129 |
1 |
| Plitek, L.L.C. | 17 |
1 |
| Tension Envelope Corporation | 16 |
1 |
| Other owners | 6 |