- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 29/04 - Safety devices of escalators or moving walkways responsive to, or preventing, jamming by foreign objects for balustrades or handrails
Patent holdings for IPC class B66B 29/04
Total number of patents in this class: 37
10-year publication summary
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0
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0
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4
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4
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6
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9
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5
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1
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1
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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
|
|---|---|---|
| Mitsubishi Electric Corporation | 45583 |
10 |
| Inventio AG | 2359 |
6 |
| Kone Oyj | 2068 |
5 |
| Otis Elevator Company | 2658 |
4 |
| Kone Elevators Co., Ltd. | 33 |
3 |
| Hitachi, Ltd. | 15364 |
2 |
| ThyssenKrupp Elevator Innovation Center, S.A. | 36 |
2 |
| Intel-ge Care Innovations LLC | 15 |
1 |
| MTR Corporation Limited | 9 |
1 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1430 |
1 |
| TK Escalator Norte S.A. | 8 |
1 |
| Mitsubishi Electric Building Solutions Corporation | 328 |
1 |
| Other owners | 0 |