- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 1/40 - Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings
Patent holdings for IPC class B66B 1/40
Total number of patents in this class: 73
10-year publication summary
|
5
|
9
|
12
|
6
|
7
|
8
|
1
|
2
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2657 |
17 |
| Mitsubishi Electric Corporation | 46295 |
14 |
| Inventio AG | 2384 |
9 |
| Kone Oyj | 2088 |
6 |
| Hitachi, Ltd. | 15531 |
4 |
| CEDES AG | 86 |
3 |
| Minnesota Elevator, Inc. | 8 |
2 |
| ThyssenKrupp AG | 3298 |
2 |
| ThyssenKrupp Elevator AG | 209 |
2 |
| Yaskawa Europe GMBH | 11 |
2 |
| thyssenkrupp Elevator Innovation and Operations GmbH | 37 |
2 |
| Siemens AG | 24436 |
1 |
| Alstom Holdings | 611 |
1 |
| Rockwell Automation Technologies, Inc. | 2726 |
1 |
| Electronic Controls, Inc. | 12 |
1 |
| Smartrise Engineering, Inc. | 2 |
1 |
| Airbus Operations | 170 |
1 |
| Elevator R&D Department, Shenzhen Hpmont Technology Co., Ltd | 9 |
1 |
| TK Elevator Corporation | 23 |
1 |
| Mitsubishi Electric Building Solutions Corporation | 360 |
1 |
| Other owners | 1 |