- All sections
- G - Physics
- G09B - Educational or demonstration appliancesappliances for teaching, or communicating with, the blind, deaf or mutemodelsplanetariaglobesmapsdiagrams
- 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: 30
10-year publication summary
|
7
|
0
|
8
|
3
|
3
|
8
|
3
|
1
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yilab Temperature Control Technologies (Changzhou) Co., Ltd. | 15 |
3 |
| Clover.ai, LLC | 7 |
3 |
| Voxy Holdings Ltd. | 10 |
3 |
| ACT Education Corp. | 57 |
2 |
| General Electric Company | 13982 |
1 |
| Learning Labs Ltd | 1 |
1 |
| SRI International | 998 |
1 |
| Teledyne Scientific & Imaging, LLC | 191 |
1 |
| Vi-grade AG | 5 |
1 |
| Shub, Toni M. | 2 |
1 |
| VI-grade GmbH | 10 |
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 | 60 |
1 |
| Nomna Asia Pte. Ltd. | 2 |
1 |
| Chinamamatalk Co.,Ltd | 1 |
1 |
| Yile Temperature Control Technology (Changzhou) Co. | 4 |
1 |
| Other owners | 3 |