- All sections
- B - Performing operations; transporting
- B41F - Printing machines or presses
- B41F 23/00 - Devices for treating the surfaces of sheets, webs or other articles in connection with printing
Patent holdings for IPC class B41F 23/00
Total number of patents in this class: 152
10-year publication summary
18
|
23
|
15
|
15
|
21
|
18
|
11
|
6
|
4
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hewlett-Packard Development Company, L.P. | 28538 |
18 |
Koenig & Bauer AG | 958 |
9 |
Sun Chemical Corporation | 865 |
9 |
UPM-Kymmene Oyj | 54 |
6 |
Hewlett-Packard Indigo B.V. | 255 |
5 |
LEONHARD KURZ Stiftung & Co. KG | 381 |
5 |
Exentis Knowledge GmbH | 46 |
5 |
Entegris, Inc. | 1736 |
4 |
Xerox Corporation | 7503 |
3 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
Toray Industries, Inc. | 6652 |
3 |
Isimat GmbH Siebdruckmaschinen | 9 |
3 |
manroland AG | 109 |
3 |
Illinois Tool Works Inc. | 11152 |
2 |
Eastman Kodak Company | 3444 |
2 |
Blank Acquisition LLC, DBA Blanks/usa | 12 |
2 |
Comexi Group Industries, SAU | 31 |
2 |
Crown Packaging Technology, Inc. | 494 |
2 |
Ezawa Jimuki Co., Ltd. | 6 |
2 |
Krones AG | 2037 |
2 |
Other owners | 62 |