- All sections
- B - Performing operations; transporting
- B43L - Articles for writing or drawing upon; accessories 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
2
|
1
|
4
|
4
|
3
|
0
|
4
|
2
|
3
|
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 |
8 |
Plus Corporation | 79 |
2 |
Bélet Holding SA | 5 |
1 |
Fujian Soundy Enterprise Co., Ltd. | 2 |
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 |
Shenzhen Abel Technology Co., Ltd. | 2 |
1 |
Other owners | 0 |