- All sections
- B - Performing operations; transporting
- B41F - Printing machines or presses
- B41F 21/00 - Devices for conveying sheets through printing apparatus or machines
Patent holdings for IPC class B41F 21/00
Total number of patents in this class: 130
10-year publication summary
|
15
|
14
|
23
|
14
|
12
|
11
|
8
|
8
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koenig & Bauer AG | 958 |
22 |
| Hewlett-Packard Development Company, L.P. | 28538 |
8 |
| Eastman Kodak Company | 3444 |
6 |
| The Procter & Gamble Company | 22178 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
4 |
| Bobst Lyon | 56 |
4 |
| Heidelberger Druckmaschinen AG | 473 |
4 |
| Hewlett-Packard Indigo B.V. | 255 |
4 |
| Xerox Corporation | 7503 |
3 |
| Bobst Mex SA | 542 |
3 |
| manroland AG | 109 |
3 |
| Mueller Martini Holding AG | 95 |
3 |
| Ryobi MHI Graphic Technology Ltd. | 13 |
3 |
| Shanghai Eternal Machinery Co., Ltd. | 34 |
3 |
| Canon Inc. | 36841 |
2 |
| Seiko Epson Corporation | 18724 |
2 |
| Brother Industries, Ltd. | 13000 |
2 |
| ArcelorMittal | 1887 |
2 |
| Hand held Products, Inc. | 1227 |
2 |
| KBA-NotaSys SA | 159 |
2 |
| Other owners | 44 |