- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 5/10 - Applications of checking, fault-correcting or safety devices in elevators responsive to abnormal operating conditions for preventing overwinding electrical
Patent holdings for IPC class B66B 5/10
Total number of patents in this class: 6
10-year publication summary
|
0
|
1
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2690 |
3 |
| Hitachi, Ltd. | 15904 |
2 |
| Shandong University of Science and Technology | 539 |
1 |
| Other owners | 0 |