- All sections
- G - Physics
- G09B - Educational or demonstration appliancesappliances for teaching, or communicating with, the blind, deaf or mutemodelsplanetariaglobesmapsdiagrams
- 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: 14
10-year publication summary
|
2
|
3
|
0
|
2
|
4
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8
|
1
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Johns Hopkins University | 5667 |
2 |
| Korea Advanced Institute of Science and Technology | 4376 |
1 |
| Pluralsight, LLC | 11 |
1 |
| ACADIA Pharmaceuticals Inc. | 205 |
1 |
| DISH Network L.L.C. | 876 |
1 |
| Green Energy Nano Technology Co., Ltd. | 7 |
1 |
| Imaging Business Machines LLC | 22 |
1 |
| Pleiades Publishing Ltd. | 6 |
1 |
| Renaissance Learning, Inc. | 193 |
1 |
| Scantron Corporation | 11 |
1 |
| Academic Integrity Solutions, LLC | 1 |
1 |
| CREACUBE Co., Ltd. | 2 |
1 |
| Birchhoover LLC d/b/a Livedx | 1 |
1 |
| Other owners | 0 |