- 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: 13
10-year publication summary
|
2
|
0
|
4
|
1
|
4
|
0
|
0
|
2
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Time Timer LLC | 55 |
5 |
| Hand2mind, Inc. | 52 |
2 |
| Gro-Group International Limited | 9 |
1 |
| Pivot Point International, Inc. | 28 |
1 |
| Patentcheck.nl | 1 |
1 |
| Patentcheck.nl | 1 |
1 |
| Happy Tykes, Inc. | 4 |
1 |
| Routime GmbH | 1 |
1 |
| Other owners | 0 |