- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 5/24 - 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 acting on guide ropes or cables
Patent holdings for IPC class B66B 5/24
Total number of patents in this class: 54
10-year publication summary
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5
|
4
|
4
|
5
|
5
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7
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1
|
2
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2
|
0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2677 |
17 |
| Dongnan Elevator Co., Ltd. | 25 |
5 |
| China University of Mining and Technology | 1189 |
4 |
| Inventio AG | 2314 |
3 |
| Wobben Properties GmbH | 1207 |
3 |
| Kone Oyj | 2000 |
3 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| AIP ApS | 20 |
2 |
| SafeWorks, LLC | 80 |
2 |
| Hangzhou Huning Elevator Parts Co., Ltd. | 12 |
2 |
| ABB Schweiz AG | 6321 |
1 |
| Electronic Theatre Controls, Inc. | 258 |
1 |
| Hollister-Whitney Elevator Corp. | 3 |
1 |
| Siemens Schweiz AG | 580 |
1 |
| LM LIFTMATERIAL GmbH | 6 |
1 |
| G.A.L. Manufacturing Company LLC | 13 |
1 |
| Omega Elevator, S.A. | 4 |
1 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
1 |
| Alimak Group Management AB | 81 |
1 |
| Wuxi Rigid Machinery Co., Ltd. | 3 |
1 |
| Other owners | 1 |