- All sections
- B - Performing operations; transporting
- B41F - Printing machines or presses
- B41F 31/28 - Spray apparatus, e.g. containing brushes
Patent holdings for IPC class B41F 31/28
Total number of patents in this class: 23
10-year publication summary
|
2
|
2
|
1
|
5
|
2
|
1
|
3
|
3
|
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 |
3 |
| Hewlett-Packard Development Company, L.P. | 28538 |
2 |
| Boe Technology Group Co., Ltd. | 35384 |
2 |
| Dover Europe Sàrl | 242 |
2 |
| Hefei Xinsheng Optoelectronics Technology Co., Ltd. | 2483 |
2 |
| HP Indigo B.V. | 540 |
2 |
| Mitsubishi Heavy Industries Machinery Systems, Ltd. | 422 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Ricoh Company, Ltd. | 13266 |
1 |
| Bobst Firenze S.r.l. | 34 |
1 |
| Hewlett-Packard Indigo B.V. | 255 |
1 |
| Mitsubishi Heavy Industries Printing & Packaging Machinery, Ltd. | 84 |
1 |
| Tetra Laval Holdings & Finance S.A. | 2007 |
1 |
| Wuhan China Star Optoelectronics Technology Co., Ltd. | 3894 |
1 |
| Inkski Limited | 4 |
1 |
| Other owners | 0 |