- All sections
- B - Performing operationstransporting
- B43K - Implements for writing or drawing
- B43K 5/12 - Ink reservoirs with ink-level inspection means
Patent holdings for IPC class B43K 5/12
Total number of patents in this class: 12
10-year publication summary
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0
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1
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0
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1
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2
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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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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Colgate-Palmolive Company | 5744 |
2 |
| Albea Services | 295 |
1 |
| Kabushiki Kaisha Pilot Corporation | 342 |
1 |
| Mary Kay Inc. | 1162 |
1 |
| Mitsubishi Pencil Company, Limited | 802 |
1 |
| Shenzhen Royole Technologies Co., Ltd. | 1334 |
1 |
| STABILO International GmbH | 50 |
1 |
| Tessy Plastics Corporation | 19 |
1 |
| Kemeny Designs Ftp, LLC | 1 |
1 |
| Kemeny Designs International, LLC | 2 |
1 |
| Universite Sidi Mohamed Ben Abdellah | 29 |
1 |
| Other owners | 0 |