- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators 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: 38
10-year publication summary
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0
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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
|
5
|
1
|
1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
10 |
| Inventio AG | 2314 |
6 |
| Kone Oyj | 2000 |
6 |
| Otis Elevator Company | 2677 |
4 |
| Kone Elevators Co., Ltd. | 28 |
3 |
| Hitachi, Ltd. | 16452 |
2 |
| ThyssenKrupp Elevator Innovation Center, S.A. | 40 |
2 |
| Care Innovations, LLC | 40 |
1 |
| Intel-ge Care Innovations LLC | 16 |
1 |
| MTR Corporation Limited | 6 |
1 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
1 |
| Mitsubishi Electric Building Solutions Corporation | 222 |
1 |
| Other owners | 0 |