- All sections
- B - Performing operations; transporting
- B41F - Printing machines or presses
- B41F 31/02 - Ducts, containers, supply or metering devices
Patent holdings for IPC class B41F 31/02
Total number of patents in this class: 288
10-year publication summary
|
19
|
29
|
22
|
22
|
19
|
26
|
38
|
24
|
22
|
4
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 29751 |
56 |
| Koenig & Bauer AG | 944 |
13 |
| Windmöller & Hölscher KG | 414 |
13 |
| Bobst Firenze S.r.l. | 32 |
11 |
| Xerox Corporation | 6811 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 7448 |
10 |
| Komori Corporation | 181 |
8 |
| Tresu A/S | 36 |
7 |
| Apex Europe B.V. | 13 |
6 |
| Bobst Bielefeld GmbH | 53 |
6 |
| I. Mar Planning Inc. | 7 |
6 |
| I. Mer Co., Ltd. | 32 |
6 |
| Eastman Kodak Company | 4117 |
5 |
| Palo Alto Research Center Incorporated | 1708 |
5 |
| Illinois Tool Works Inc. | 10977 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 26502 |
4 |
| Bobst Lyon | 50 |
4 |
| Uteco Converting S.p.A. | 21 |
4 |
| Windmoeller & Hoelscher KG | 161 |
4 |
| HP Indigo B.V. | 580 |
4 |
| Other owners | 102 |