- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators 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: 68
10-year publication summary
|
7
|
5
|
10
|
12
|
6
|
6
|
7
|
1
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2677 |
17 |
| Mitsubishi Electric Corporation | 43934 |
14 |
| Inventio AG | 2314 |
7 |
| Kone Oyj | 2000 |
6 |
| Hitachi, Ltd. | 16452 |
3 |
| Minnesota Elevator, Inc. | 7 |
2 |
| ThyssenKrupp AG | 3086 |
2 |
| ThyssenKrupp Elevator AG | 217 |
2 |
| Yaskawa Europe GMBH | 11 |
2 |
| thyssenkrupp Elevator Innovation and Operations GmbH | 59 |
2 |
| Siemens AG | 24990 |
1 |
| Rockwell Automation Technologies, Inc. | 2547 |
1 |
| CEDES AG | 79 |
1 |
| Electronic Controls, Inc. | 10 |
1 |
| Quanta Computer Inc. | 1284 |
1 |
| V. Guldmann A/S | 26 |
1 |
| Airbus Operations | 169 |
1 |
| Elevator R&D Department, Shenzhen Hpmont Technology Co., Ltd | 9 |
1 |
| TK Elevator Innovation and Operations GmbH | 158 |
1 |
| TK Elevator Corporation | 23 |
1 |
| Other owners | 1 |