- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 1/12 - Control systems without regulation, i.e. without retroactive action electric with devices, e.g. handles or levers, located at a control station for direct control of movements, e.g. electric mining-hoist control systems
Patent holdings for IPC class B66B 1/12
Total number of patents in this class: 4
10-year publication summary
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0
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0
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1
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1
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0
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0
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1
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1
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0
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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Inventio AG | 2314 |
1 |
| SafeWorks, LLC | 80 |
1 |
| Kone Oyj | 2000 |
1 |
| GLARIE Elevator Co. Ltd. | 16 |
1 |
| Other owners | 0 |