- All sections
- B - Performing operationstransporting
- B43L - Articles for writing or drawing uponaccessories for writing or drawing
- B43L 1/08 - Blackboards flexible
Patent holdings for IPC class B43L 1/08
Total number of patents in this class: 15
10-year publication summary
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0
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0
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1
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1
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0
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2
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0
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2
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1
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Guangzhou Newlife Magnet Electricity Co., Ltd | 7 |
2 |
| TeacherGeek Inc. | 5 |
2 |
| Comsero, Inc. | 25 |
2 |
| Corning Incorporated | 10246 |
1 |
| Dai Nippon Printing Co., Ltd. | 4071 |
1 |
| The Boston Consulting Group, Inc. | 325 |
1 |
| Dong Guan Zhong Shi Tuo Enterprise Ltd. | 7 |
1 |
| It's Academic of Illinois, Inc. | 1 |
1 |
| Izumi-Cosmo Company, Limited | 39 |
1 |
| Zipboard, Inc. | 1 |
1 |
| Bi-silque, S.A. | 25 |
1 |
| Linker Industrial (Shenzhen) Co., Ltd. | 5 |
1 |
| Other owners | 0 |