- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 2/42 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material for heating selectively
Patent holdings for IPC class B41J 2/42
Total number of patents in this class: 8
10-year publication summary
|
2
|
1
|
2
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 25180 |
2 |
| Seiko Epson Corporation | 20259 |
2 |
| Xerox Corporation | 4390 |
1 |
| Memjet Technology Ltd. | 599 |
1 |
| Board of Trustees of the University of Arkansas | 832 |
1 |
| Assems Inc | 14 |
1 |
| Other owners | 0 |