- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 13/24 - Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
Patent holdings for IPC class B66B 13/24
Total number of patents in this class: 79
10-year publication summary
|
9
|
18
|
11
|
12
|
4
|
4
|
3
|
4
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2670 |
26 |
| Inventio AG | 2377 |
11 |
| Kone Oyj | 2115 |
7 |
| TD IP Holdco, LLC | 38 |
5 |
| Wittur Holding GmbH | 130 |
4 |
| Mitsubishi Electric Corporation | 47380 |
3 |
| Airdri Limited | 16 |
2 |
| Avire Limited | 24 |
2 |
| Hyundai Elevator Co., Ltd. | 67 |
2 |
| Mitsubishi Elevator Korea Co., Ltd. | 13 |
2 |
| China University of Mining and Technology | 1286 |
1 |
| Cij. Co., Ltd. | 4 |
1 |
| Ensota Limited | 2 |
1 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 714 |
1 |
| Precision Elevator Corp. | 5 |
1 |
| Toshiba Elevator Kabushiki Kaisha | 35 |
1 |
|
Trus |
1 |
1 |
| Vayyar Imaging Ltd. | 157 |
1 |
| LM LIFTMATERIAL GmbH | 6 |
1 |
| CAB Solutions, LLC | 1 |
1 |
| Other owners | 5 |