- All sections
- G - Physics
- G09B - Educational or demonstration appliances; appliances for teaching, or communicating with, the blind, deaf or mute; models; planetaria; globes; maps; diagrams
- G09B 19/08 - Printed or written appliances, e.g. textbooks, bilingual letter assemblies, charts
Patent holdings for IPC class G09B 19/08
Total number of patents in this class: 28
10-year publication summary
|
4
|
6
|
7
|
0
|
8
|
3
|
3
|
7
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voxy, Inc., DBA Voxy, Inc. | 16 |
3 |
| Gammakite, Inc. | 4 |
3 |
| ACT, Inc. | 72 |
2 |
| General Electric Company | 18133 |
1 |
| ACCO Brands Corporation | 869 |
1 |
| Gray, Jennifer Leigh | 1 |
1 |
| Learning Labs Ltd | 2 |
1 |
| SRI International | 974 |
1 |
| Teledyne Scientific & Imaging, LLC | 215 |
1 |
| Vi-grade AG | 5 |
1 |
| Shub, Toni M. | 2 |
1 |
| VI-grade GmbH | 8 |
1 |
| Yin Jianhua | 3 |
1 |
| Fluent Forever Inc. | 5 |
1 |
| Chojogakuin Co., Ltd. | 1 |
1 |
| Gigantt Ltd. | 1 |
1 |
| Odworks Inc. | 1 |
1 |
| RODRIGUEZ, Carlos | 1 |
1 |
| Rosetta Stone LLC | 51 |
1 |
| Nomna Asia Pte. Ltd. | 2 |
1 |
| Other owners | 3 |