- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 29/00 - Safety devices of escalators or moving walkways
Patent holdings for IPC class B66B 29/00
Total number of patents in this class: 244
10-year publication summary
|
19
|
17
|
40
|
19
|
24
|
19
|
18
|
11
|
14
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46127 |
45 |
| Otis Elevator Company | 2661 |
45 |
| Kone Oyj | 2091 |
37 |
| Inventio AG | 2382 |
29 |
| Mitsubishi Electric Building Solutions Corporation | 342 |
8 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 419 |
7 |
| Hitachi, Ltd. | 15495 |
6 |
| Kone Elevators Co., Ltd. | 33 |
6 |
| ThyssenKrupp Elevator Innovation Center, S.A. | 35 |
5 |
| ThyssenKrupp AG | 3287 |
4 |
| Toshiba Elevator Kabushiki Kaisha | 65 |
4 |
| Mijuhitec Co., Ltd. | 5 |
3 |
| Zhuhai Anyes Technology Co., Ltd. | 4 |
3 |
| Jeil Escalator Co., Ltd | 4 |
3 |
| Kerett Electronic Services Ltd | 3 |
2 |
| Guangdong Inspection and Research Institute of Special Equipment, Zhuhai Inspection Institute | 2 |
2 |
| Rail Components (UK) Limited | 2 |
2 |
| TK Escalator Norte S.A. | 11 |
2 |
| International Business Machines Corporation | 61257 |
1 |
| Hitachi Building Systems Co., Ltd. | 52 |
1 |
| Other owners | 29 |