- 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: 73
10-year publication summary
|
3
|
9
|
18
|
11
|
13
|
3
|
4
|
3
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2651 |
26 |
| Inventio AG | 2376 |
9 |
| Kone Oyj | 2056 |
6 |
| Mitsubishi Electric Corporation | 45068 |
3 |
| TD IP Holdco, LLC | 38 |
3 |
| Wittur Holding GmbH | 105 |
3 |
| Airdri Limited | 16 |
2 |
| Avire Limited | 23 |
2 |
| Hyundai Elevator Co., Ltd. | 49 |
2 |
| Mitsubishi Elevator Korea Co., Ltd. | 15 |
2 |
| China University of Mining and Technology | 1230 |
1 |
| Cij. Co., Ltd. | 4 |
1 |
| Ensota Limited | 2 |
1 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 561 |
1 |
| Precision Elevator Corp. | 5 |
1 |
| Reynolds & Reynolds Electronics, Inc. | 9 |
1 |
| Toshiba Elevator Kabushiki Kaisha | 77 |
1 |
|
Trus |
1 |
1 |
| Vayyar Imaging Ltd. | 156 |
1 |
| LM LIFTMATERIAL GmbH | 6 |
1 |
| Other owners | 5 |