- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 23/16 - Means allowing tensioning of the endless member
Patent holdings for IPC class B66B 23/16
Total number of patents in this class: 7
10-year publication summary
|
2
|
0
|
1
|
0
|
1
|
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
|
|---|---|---|
| Otis Elevator Company | 2677 |
3 |
| China University of Mining and Technology | 1189 |
1 |
| Inventio AG | 2314 |
1 |
| ThyssenKrupp AG | 3086 |
1 |
| ThyssenKrupp Elevator AG | 217 |
1 |
| Other owners | 0 |