- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 19/06 - Applications of signalling devices
Patent holdings for IPC class B66B 19/06
Total number of patents in this class: 13
10-year publication summary
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0
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2
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2
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1
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2
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1
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1
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1
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1
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| China University of Mining and Technology | 1189 |
3 |
| Inventio AG | 2314 |
2 |
| Taiyuan University of Technology | 212 |
2 |
| Otis Elevator Company | 2677 |
1 |
| Siemag Tecberg GmbH | 31 |
1 |
| Kone Oyj | 2000 |
1 |
| Xuzhou Zhirun Mining Equipment Science and Technology Co., Ltd. | 31 |
1 |
| Guiyang Plateau Mining Machinery Company Limited | 1 |
1 |
| HIS Majesty The King in Right of Canada, AS represented by The Minister of Natural Resources | 13 |
1 |
| Other owners | 0 |