- All sections
- B - Performing operationstransporting
- B41K - Stampsstamping or numbering apparatus or devices
- B41K 3/54 - Inking devices
Patent holdings for IPC class B41K 3/54
Total number of patents in this class: 5
10-year publication summary
|
0
|
0
|
2
|
0
|
2
|
2
|
0
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Concord & 9th, Inc | 3 |
2 |
| The Board of Trustees of the University of Illinois | 2753 |
1 |
| National Technology & Engineering Solutions of Sandia, LLC | 1957 |
1 |
| Robos Co.,Ltd | 17 |
1 |
| Other owners | 0 |