- All sections
- B - Performing operations; transporting
- B31F - Mechanical working or deformation of paper, cardboard or material worked in a manner analogous to paper
- B31F 1/20 - Corrugating; Corrugating combined with laminating to other layers
Patent holdings for IPC class B31F 1/20
Total number of patents in this class: 121
10-year publication summary
|
17
|
8
|
9
|
11
|
7
|
9
|
8
|
8
|
9
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BHS Corrugated Maschinen-und Anlagenbau GmbH | 181 |
12 |
| I.M.A. Industria Macchine Automatiche S.p.A. | 424 |
8 |
| The Procter & Gamble Company | 22178 |
6 |
| Henkel AG & Co. KGaA | 10129 |
5 |
| Wuxi Yutai Packing Machinery Technology Co., Ltd. | 6 |
4 |
| Bobst Grenchen AG | 13 |
3 |
| Corcel IP Limited | 19 |
3 |
| Ecochem Australia Pty Ltd | 39 |
3 |
| Hoffmaster Group, Inc. | 120 |
3 |
| International Paper Company | 857 |
3 |
| Packsize LLC | 271 |
3 |
| Packaging Acquisitions I, LLC | 20 |
3 |
| Georgia-Pacific Corrugated LLC | 111 |
2 |
| Bobst Mex SA | 542 |
2 |
| The Glad Products Company | 542 |
2 |
| Kabushiki Kaisha Isowa | 27 |
2 |
| Muehlen Sohn GmbH & Co. | 4 |
2 |
| Scorrboard, LLC | 8 |
2 |
| Valmet Automation Oy | 107 |
2 |
| Mitsubishi Heavy Industries Machinery Systems, Ltd. | 422 |
2 |
| Other owners | 49 |