- All sections
- B - Performing operations; transporting
- B43K - Implements for writing or drawing
- B43K 21/02 - Writing-core feeding mechanisms
Patent holdings for IPC class B43K 21/02
Total number of patents in this class: 24
10-year publication summary
|
2
|
5
|
2
|
1
|
4
|
1
|
1
|
2
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sanford, L.P. | 948 |
7 |
| Societe BIC | 1064 |
3 |
| Wenzhou Tianjiao Pen Industrial Co., Ltd. | 8 |
2 |
| Avon Products, Inc. | 699 |
1 |
| Cosmolab, Inc. | 5 |
1 |
| Imaginings 3, Inc. | 21 |
1 |
| KOSE Corporation | 499 |
1 |
| Mitsubishi Pencil Company, Limited | 679 |
1 |
| Morris Corporation | 23 |
1 |
| Neolab Convergence Inc. | 24 |
1 |
| Schwan-STABILO Cosmetics GmbH & Co. KG | 100 |
1 |
| The Spatz Corporation | 1 |
1 |
| Zebra Co., Ltd. | 93 |
1 |
| Marxman Limited | 3 |
1 |
| LIU, Pao-Hung | 5 |
1 |
| Other owners | 0 |