- All sections
- G - Physics
- G09B - Educational or demonstration appliancesappliances for teaching, or communicating with, the blind, deaf or mutemodelsplanetariaglobesmapsdiagrams
- G09B 7/08 - Electrically-operated teaching apparatus or devices 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 from the answers characterised by modifying the teaching programme in response to a wrong answer, e.g. repeating the question, supplying further information
Patent holdings for IPC class G09B 7/08
Total number of patents in this class: 161
10-year publication summary
|
14
|
26
|
34
|
27
|
17
|
24
|
23
|
16
|
22
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pearson Education, Inc. | 458 |
12 |
| Voxy, Inc., DBA Voxy, Inc. | 16 |
10 |
| Young, Eric Wallace | 12 |
10 |
| International Business Machines Corporation | 60279 |
9 |
| Breakthrough Performancetech, LLC | 34 |
5 |
| Obrizum Group Ltd. | 15 |
5 |
| Microsoft Technology Licensing, LLC | 53017 |
4 |
| Knowledge Factor, Inc. | 12 |
4 |
| Mimos Bhd. | 963 |
4 |
| Amplify Education, Inc. | 35 |
3 |
| Fujitsu Limited | 18424 |
2 |
| Alchemy Systems, L.P., Alchemy Systems Management, L.L.C. (a Texas limited liability company) | 39 |
2 |
| Discovery Education, Inc. | 53 |
2 |
| DISH Network L.L.C. | 816 |
2 |
| Quizista GmbH | 4 |
2 |
| Thinkcerca.com, Inc. | 8 |
2 |
| Worcester Polytechnic Institute | 480 |
2 |
| Minute School Inc. | 8 |
2 |
| Digital Coaches LLC | 2 |
2 |
| Classcube Co., Ltd. | 9 |
2 |
| Other owners | 75 |