- All sections
- B - Performing operationstransporting
- B43L - Articles for writing or drawing uponaccessories for writing or drawing
- B43L 23/02 - Sharpeners for pencils or leads with gearing
Patent holdings for IPC class B43L 23/02
Total number of patents in this class: 19
10-year publication summary
|
1
|
4
|
4
|
3
|
0
|
4
|
2
|
3
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sanford, L.P. | 935 |
8 |
| Plus Corporation | 78 |
2 |
| Bélet Holding SA | 5 |
1 |
| Fujian Soundy Enterprise Co., Ltd. | 3 |
1 |
| Shanghai M&G Stationery Inc. | 35 |
1 |
| Eagle (Guangzhou) Technology Development Limited | 2 |
1 |
| Ningbo Tiantian Stationery Co., Ltd. | 2 |
1 |
| Ningbo Weishu Stationery Co., Ltd | 2 |
1 |
| OSAKA CLIP co., LTD | 5 |
1 |
| Carl Mfg.Co.,Ltd. | 25 |
1 |
| Dongguan In-mind Technology Co., Ltd. | 1 |
1 |
| Other owners | 0 |