- All sections
- B - Performing operations; transporting
- B41L - Apparatus or devices for manifolding, duplicating or printing for office or other commercial purposes; addressing machines or like series-printing machines
- B41L 27/04 - Ducts, containers, supply devices or ink-level control devices
Patent holdings for IPC class B41L 27/04
Total number of patents in this class: 42
10-year publication summary
|
0
|
1
|
0
|
0
|
5
|
6
|
7
|
13
|
6
|
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 |
40 |
| Canon Inc. | 36856 |
1 |
| Komori Corporation | 181 |
1 |
| Other owners | 0 |