- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 1/38 - Means for stopping the cars, cages, or skips at predetermined levels and for returning the controlling handle or lever to its neutral position
Patent holdings for IPC class B66B 1/38
Total number of patents in this class: 2
10-year publication summary
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0
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0
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1
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0
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1
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0
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2657 |
1 |
| SafeWorks, LLC | 85 |
1 |
| Other owners | 0 |