- All sections
- G - Physics
- G09B - Educational or demonstration appliancesappliances for teaching, or communicating with, the blind, deaf or mutemodelsplanetariaglobesmapsdiagrams
- G09B 19/12 - Clock-reading
Patent holdings for IPC class G09B 19/12
Total number of patents in this class: 15
10-year publication summary
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0
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2
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0
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3
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1
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3
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0
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0
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2
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Time Timer LLC | 50 |
5 |
| Gro-Group International Limited | 15 |
2 |
| Hand2mind, Inc. | 55 |
2 |
| Pivot Point International, Inc. | 28 |
1 |
| Patentcheck.nl | 1 |
1 |
| Patentcheck.nl | 1 |
1 |
| Mayborn (UK) Limited | 1 |
1 |
| Happy Tykes, Inc. | 4 |
1 |
| Routime GmbH | 1 |
1 |
| Other owners | 0 |