- All sections
- B - Performing operationstransporting
- B41F - Printing machines or presses
- B41F 31/30 - Arrangements for tripping, lifting, adjusting, or removing inking rollersSupports, bearings, or forks therefor
Patent holdings for IPC class B41F 31/30
Total number of patents in this class: 81
10-year publication summary
|
5
|
2
|
3
|
1
|
6
|
6
|
3
|
4
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koenig & Bauer AG | 978 |
12 |
| manroland AG | 109 |
7 |
| Komori Corporation | 145 |
6 |
| Windmöller & Hölscher KG | 390 |
6 |
| Bixolon Co., Ltd. | 40 |
4 |
| I. Mer Co., Ltd. | 32 |
3 |
| KBA-NotaSys SA | 146 |
3 |
| Hewlett-Packard Development Company, L.P. | 25903 |
2 |
| Bobst Lyon | 67 |
2 |
| KBA-MetalPrint GmbH | 36 |
2 |
| Korea Institute of Machinery & Materials | 746 |
2 |
| Windmoeller & Hoelscher KG | 173 |
2 |
| Tresu A/S | 36 |
2 |
| Focus Label Machinery Limited | 4 |
2 |
| John Cockerill S.A. | 106 |
2 |
| Xerox Corporation | 7021 |
1 |
| Eastman Kodak Company | 2910 |
1 |
| Bobst Bielefeld GmbH | 60 |
1 |
| Comexi, S.A. | 5 |
1 |
| CONPRINTA GmbH & Co. KG | 11 |
1 |
| Other owners | 19 |