- All sections
- B - Performing operationstransporting
- B43K - Implements for writing or drawing
- B43K 19/18 - Making pencil writing-cores
Patent holdings for IPC class B43K 19/18
Total number of patents in this class: 34
10-year publication summary
|
7
|
3
|
3
|
4
|
1
|
6
|
3
|
5
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Societe BIC | 1041 |
7 |
| Conte | 8 |
6 |
| Mitsubishi Pencil Company, Limited | 757 |
6 |
| Faber-Castell AG | 159 |
3 |
| Schwan-STABILO Cosmetics GmbH & Co. KG | 83 |
3 |
| Wacom Co., Ltd. | 1898 |
2 |
| Staedtler SE | 242 |
2 |
| Chartpak, Inc. | 139 |
1 |
| Crayola LLC | 188 |
1 |
| effekt LLC | 2 |
1 |
| Kabushiki Kaisha Pilot Corporation | 333 |
1 |
| Koh-I-Noor Hardmuth A.S. | 2 |
1 |
| Other owners | 0 |