- All sections
- G - Physics
- G04B - Mechanically-driven clocks or watchesmechanical parts of clocks or watches in generaltime-pieces using the position of the sun, moon, or stars
- G04B 49/02 - Sundials
Patent holdings for IPC class G04B 49/02
Total number of patents in this class: 8
10-year publication summary
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0
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0
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1
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0
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0
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0
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1
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1
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2
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Popendorf, Joyce | 4 |
4 |
| Fluke Corporation | 1001 |
2 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1455 |
1 |
| Institute of Geology and Geophysics, Chinese Academy of Sciences | 355 |
1 |
| Other owners | 0 |