- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 17/32 - Applications of loading or unloading equipment electrically controlled for skips
Patent holdings for IPC class B66B 17/32
Total number of patents in this class: 4
10-year publication summary
|
3
|
0
|
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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| 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 |
2 |
| Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd. | 23 |
2 |
| Other owners | 0 |