- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 15/00 - Main component parts of mining-hoist winding devices
Patent holdings for IPC class B66B 15/00
Total number of patents in this class: 13
10-year publication summary
|
1
|
0
|
2
|
0
|
1
|
1
|
2
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2646 |
3 |
| Technological Resources Pty. Limited | 443 |
2 |
| FLSmidth A/S | 859 |
2 |
| China University of Mining and Technology | 1225 |
1 |
| Siemag Tecberg GmbH | 57 |
1 |
| Kone Oyj | 2044 |
1 |
| Master Drilling (Pty) Limited | 2 |
1 |
| braXos Security Software LLC | 12 |
1 |
| BORKOW, Haggai | 3 |
1 |
| Other owners | 0 |