- 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 3/06 - Manually- or mechanically-operated teaching appliances working with questions and answers of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made
Patent holdings for IPC class G09B 3/06
Total number of patents in this class: 13
10-year publication summary
|
2
|
2
|
3
|
0
|
2
|
4
|
7
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Johns Hopkins University | 5377 |
2 |
| Korea Advanced Institute of Science and Technology | 3906 |
1 |
| Pluralsight, LLC | 13 |
1 |
| ACADIA Pharmaceuticals Inc. | 201 |
1 |
| DISH Network L.L.C. | 746 |
1 |
| Green Energy Nano Technology Co., Ltd. | 7 |
1 |
| Pleiades Publishing Ltd. | 6 |
1 |
| Renaissance Learning, Inc. | 195 |
1 |
| Scantron Corporation | 62 |
1 |
| Academic Integrity Solutions, LLC | 1 |
1 |
| CREACUBE Co., Ltd. | 2 |
1 |
| Birchhoover LLC d/b/a Livedx | 1 |
1 |
| Other owners | 0 |