- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 1/02 - Control systems without regulation, i.e. without retroactive action
Patent holdings for IPC class B66B 1/02
Total number of patents in this class: 15
10-year publication summary
|
2
|
3
|
1
|
1
|
1
|
0
|
1
|
2
|
3
|
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 |
3 |
| Kone Oyj | 2000 |
3 |
| ABB Schweiz AG | 6321 |
2 |
| Schindler (China) Elevator Co. Ltd. | 23 |
2 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| AGM Container Controls, Inc. | 37 |
1 |
| China University of Mining and Technology | 1189 |
1 |
| Hyundai Elevator Co., Ltd. | 26 |
1 |
| Sun Yat-sen University | 584 |
1 |
| Other owners | 0 |