- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators 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
0
|
0
|
0
|
2
|
0
|
1
|
0
|
0
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Otis Elevator Company | 2677 |
1 |
SafeWorks, LLC | 80 |
1 |
Other owners | 0 |