- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 5/00 - Applications of checking, fault-correcting or safety devices in elevators
Patent holdings for IPC class B66B 5/00
Total number of patents in this class: 2709
10-year publication summary
|
249
|
326
|
322
|
314
|
261
|
207
|
171
|
193
|
166
|
61
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2690 |
540 |
| Kone Oyj | 2125 |
489 |
| Inventio AG | 2381 |
413 |
| Mitsubishi Electric Corporation | 47625 |
366 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 415 |
126 |
| Hitachi, Ltd. | 15904 |
75 |
| Mitsubishi Electric Building Solutions Corporation | 401 |
69 |
| TK Elevator Innovation and Operations GmbH | 218 |
35 |
| ThyssenKrupp Elevator AG | 207 |
28 |
| ThyssenKrupp AG | 3454 |
26 |
| China University of Mining and Technology | 1293 |
20 |
| Japan Elevator Service Holdings Co., Ltd. | 51 |
19 |
| Hitachi Building Technology (Guangzhou) Co., Ltd. | 37 |
19 |
| Hyundai Elevator Co., Ltd. | 71 |
18 |
| CEDES AG | 85 |
13 |
| Hitachi Building Systems Co., Ltd. | 52 |
11 |
| Kone Elevators Co., Ltd. | 38 |
11 |
| Appana Industries LLC | 22 |
9 |
| Schindler (China) Elevator Co. Ltd. | 24 |
8 |
| Winone Elevator Company Limited | 20 |
8 |
| Other owners | 406 |