- All sections
- B - Performing operations; transporting
- B43L - Articles for writing or drawing upon; accessories for writing or drawing
- B43L 11/00 - Non-circular-curve-drawing instruments
Patent holdings for IPC class B43L 11/00
Total number of patents in this class: 9
10-year publication summary
|
0
|
1
|
0
|
2
|
3
|
1
|
0
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CPG Products Corp. | 1 |
1 |
| Crayola LLC | 177 |
1 |
| Genie Toys plc | 17 |
1 |
| Koala Tools LLC, DBA Koala Tools | 3 |
1 |
| Maped | 45 |
1 |
| National Taiwan Normal University | 124 |
1 |
| Nidek Co., Ltd. | 357 |
1 |
| Wan, Hua | 2 |
1 |
| Wuhan Manhongliu Technology Co., Ltd. | 1 |
1 |
| Other owners | 0 |