- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 1/42 - Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings separate from the main drive
Patent holdings for IPC class B66B 1/42
Total number of patents in this class: 35
10-year publication summary
|
2
|
2
|
3
|
2
|
1
|
0
|
0
|
3
|
2
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Inventio AG | 2314 |
13 |
| Otis Elevator Company | 2677 |
5 |
| Mitsubishi Electric Corporation | 43934 |
4 |
| Kone Oyj | 2000 |
3 |
| Hyundai Motor Company | 19021 |
1 |
| Frank's International, LLC | 241 |
1 |
| Industry-University Cooperation Foundation Sunmoon University | 36 |
1 |
| Kabushiki Kaisha Yaskawa Denki | 1468 |
1 |
| Schindler Aufzuge AG, | 2 |
1 |
| ThyssenKrupp AG | 3086 |
1 |
| ThyssenKrupp Elevator AG | 217 |
1 |
| ThyssenKrupp Elevator Capital Corporation | 21 |
1 |
| Kia Corporation | 6450 |
1 |
| BASE AND POWER CITY Corp. | 3 |
1 |
| Other owners | 0 |