- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 5/20 - Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by means of rotatable eccentrically- mounted members
Patent holdings for IPC class B66B 5/20
Total number of patents in this class: 54
10-year publication summary
|
7
|
2
|
2
|
2
|
0
|
7
|
6
|
3
|
4
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Inventio AG | 2314 |
31 |
| Otis Elevator Company | 2677 |
7 |
| Mitsubishi Electric Corporation | 43934 |
4 |
| Kone Oyj | 2000 |
2 |
| Otolift Trapliften B.V. | 12 |
2 |
| Cobianchi Liftteile AG | 6 |
2 |
| Wittur Holding GmbH | 99 |
1 |
| EXTREMA S.r.l. | 10 |
1 |
| Bulut Maki̇na Asansör Sanayi̇ ve Ti̇caret Li̇mi̇ted Şi̇rketi̇ | 6 |
1 |
| Dynatech, Dynamics & Technology, S.L. | 9 |
1 |
| MB "ekodarna" | 1 |
1 |
| Joint Stock Company "shcherbinsky Elevator Plant" | 1 |
1 |
| Other owners | 0 |