- All sections
- B - Performing operationstransporting
- B43K - Implements for writing or drawing
- B43K 7/035 - Ink reservoirsInk cartridges pressurised, e.g. by gas the gas acting on a piston
Patent holdings for IPC class B43K 7/035
Total number of patents in this class: 4
10-year publication summary
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0
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0
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0
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2
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1
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0
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Pilot Corporation | 323 |
2 |
| H & M Gutberlet GmbH | 34 |
1 |
| Zebra Co., Ltd. | 94 |
1 |
| Other owners | 0 |