- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 19/04 - Installing or removing mining-hoist cars, cages, or skips
Patent holdings for IPC class B66B 19/04
Total number of patents in this class: 23
10-year publication summary
|
1
|
0
|
6
|
1
|
0
|
0
|
0
|
5
|
3
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Inventio AG | 2314 |
11 |
| Kone Oyj | 2000 |
6 |
| Fujitec Co., Ltd. | 67 |
1 |
| J.S. Redpath Limited | 3 |
1 |
| Otis Elevator Company | 2677 |
1 |
| ThyssenKrupp AG | 3086 |
1 |
| ThyssenKrupp Elevator AG | 217 |
1 |
| Redpath Canada Limited | 15 |
1 |
| Other owners | 0 |