- All sections
- A - Human necessities
- A63J - Devices for theatres, circuses, or the likeconjuring appliances or the like
- A63J 9/00 - Centrifugal tracks, loop-the-loops or the like
Patent holdings for IPC class A63J 9/00
Total number of patents in this class: 3
10-year publication summary
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1
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0
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0
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0
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0
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0
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| University of Denver | 58 |
1 |
| "architop" | 1 |
1 |
| Senyo Kogyo Co., Ltd. | 18 |
1 |
| Other owners | 0 |