- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 17/04 - Mining-hoist cars or cages
Patent holdings for IPC class B66B 17/04
Total number of patents in this class: 15
10-year publication summary
|
1
|
1
|
2
|
0
|
1
|
2
|
0
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| China University of Mining and Technology | 1257 |
5 |
| Taiyuan University of Technology | 259 |
3 |
| Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd. | 24 |
2 |
| China University of Mining & Technology (Beijing) | 43 |
1 |
| J.S. Redpath Limited | 3 |
1 |
| Zaozhuang University | 30 |
1 |
| Xuzhou Daheng Measurement and Control Technology Co., Ltd. | 9 |
1 |
| Redpath Canada Limited | 14 |
1 |
| Other owners | 0 |