- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 21/06 - Escalators spiral type
Patent holdings for IPC class B66B 21/06
Total number of patents in this class: 4
10-year publication summary
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0
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2
|
0
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1
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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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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Innova Patent GmbH | 204 |
1 |
| Kone Oyj | 2125 |
1 |
| SJEC Corporation | 9 |
1 |
| Mekana Limited | 1 |
1 |
| Other owners | 0 |