- All sections
- B - Performing operationstransporting
- B43K - Implements for writing or drawing
- B43K 8/06 - Wick feed from within reservoir to writing-points
Patent holdings for IPC class B43K 8/06
Total number of patents in this class: 59
10-year publication summary
|
7
|
9
|
4
|
8
|
6
|
8
|
2
|
6
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Pencil Company, Limited | 822 |
10 |
| Colgate-Palmolive Company | 5749 |
6 |
| Sanford, L.P. | 892 |
5 |
| WANG, Shuijuan | 9 |
4 |
| Henkel AG & Co. KGaA | 10770 |
3 |
| Porex Corporation | 89 |
3 |
| Amara Rahman Durham | 2 |
2 |
| Crayola LLC | 197 |
2 |
| Faber-Castell AG | 161 |
2 |
| Kabushiki Kaisha Pilot Corporation | 351 |
2 |
| Porex Technologies Corp. | 24 |
2 |
| Societe BIC | 1009 |
2 |
| Purdue Research Foundation | 3913 |
1 |
| 3S Corporation | 8 |
1 |
| Chemicos Creations Ltd. | 8 |
1 |
| Edding AG | 89 |
1 |
| Flocon, Inc. | 43 |
1 |
| Kuretake Co., Ltd. | 126 |
1 |
| Letraset Limited | 1 |
1 |
| Microporous Technology (Ningbo) Limited | 22 |
1 |
| Other owners | 8 |