- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 17/02 - Hoistway equipment mounted in head-frames
Patent holdings for IPC class B66B 17/02
Total number of patents in this class: 6
10-year publication summary
|
0
|
1
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Technological Resources Pty. Limited | 444 |
3 |
| Hefei University of Technology | 189 |
1 |
| Hefei Design and Research Institute Limited Liability Company of Coal Industry | 1 |
1 |
| Xuzhou Coal Mine Safety Equipment Manufacturing Co., Ltd. | 1 |
1 |
| Other owners | 0 |