- 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: 134
10-year publication summary
|
21
|
12
|
12
|
16
|
16
|
11
|
11
|
9
|
6
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2694 |
50 |
| Kone Oyj | 2131 |
26 |
| Mitsubishi Electric Corporation | 47722 |
13 |
| Inventio AG | 2390 |
13 |
| TK Elevator Innovation and Operations GmbH | 219 |
4 |
| Hitachi, Ltd. | 15944 |
3 |
| Mitsubishi Electric Research Laboratories, Inc. | 1115 |
2 |
| Desird Tasarim Arge Anonim Şirketi | 7 |
2 |
| China University of Mining and Technology | 1295 |
1 |
| Hangzhou Hikrobot Technology Co., Ltd. | 83 |
1 |
| Here Global B.V. | 2248 |
1 |
| Hyundai Elevator Co., Ltd. | 71 |
1 |
| Littelfuse, Inc. | 791 |
1 |
| Semes Co., Ltd. | 1604 |
1 |
| Taiyuan University of Technology | 304 |
1 |
| ThyssenKrupp Elevator Corporation | 28 |
1 |
| Wittur Holding GmbH | 135 |
1 |
| Changshu Institute of Technology | 53 |
1 |
| Hitachi Building Technology (Guangzhou) Co., Ltd. | 37 |
1 |
| Jiangsu Welm Technology Co., Ltd | 18 |
1 |
| Other owners | 9 |