- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 1/36 - Means for stopping the cars, cages, or skips at predetermined levels
Patent holdings for IPC class B66B 1/36
Total number of patents in this class: 125
10-year publication summary
|
8
|
21
|
12
|
12
|
16
|
15
|
10
|
10
|
9
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2658 |
43 |
| Kone Oyj | 2068 |
26 |
| Mitsubishi Electric Corporation | 45583 |
13 |
| Inventio AG | 2359 |
12 |
| Hitachi, Ltd. | 15364 |
2 |
| Mitsubishi Electric Research Laboratories, Inc. | 1053 |
2 |
| thyssenkrupp Elevator Innovation and Operations GmbH | 56 |
2 |
| TK Elevator Innovation and Operations GmbH | 168 |
2 |
| Desird Tasarim Arge Anonim Şirketi | 7 |
2 |
| China University of Mining and Technology | 1232 |
1 |
| Dewhurst plc, | 2 |
1 |
| Hangzhou Hikrobot Technology Co., Ltd. | 83 |
1 |
| Here Global B.V. | 2206 |
1 |
| Hyundai Elevator Co., Ltd. | 52 |
1 |
| Littelfuse, Inc. | 780 |
1 |
| Navalimpianti S.p.A. | 16 |
1 |
| Semes Co., Ltd. | 1388 |
1 |
| Taiyuan University of Technology | 245 |
1 |
| ThyssenKrupp Elevator Corporation | 30 |
1 |
| Wittur Holding GmbH | 109 |
1 |
| Other owners | 10 |