- All sections
- B - Performing operationstransporting
- B43K - Implements for writing or drawing
- B43K 5/10 - Ink reservoirs with reserve ink chambers
Patent holdings for IPC class B43K 5/10
Total number of patents in this class: 13
10-year publication summary
|
0
|
2
|
1
|
3
|
1
|
1
|
1
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Crayola LLC | 180 |
2 |
| Montblanc-Simplo GmbH | 438 |
2 |
| Beauty Union Global Limited | 7 |
1 |
| Beifa Group Co., Ltd. | 268 |
1 |
| Kuretake Co., Ltd. | 128 |
1 |
| Lucas Packaging Group, Inc. | 6 |
1 |
| Yafa Pen Company | 10 |
1 |
| Beijing Wenhaiyang Industry & Trading Co., Ltd. | 7 |
1 |
| Wintrading Co., Ltd | 6 |
1 |
| Qingdao Changlong Stationery Co., Ltd. | 9 |
1 |
| Linker Industrial (Shenzhen) Co., Ltd. | 5 |
1 |
| Other owners | 0 |