- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 13/26 - Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors
Patent holdings for IPC class B66B 13/26
Total number of patents in this class: 139
10-year publication summary
|
7
|
6
|
6
|
7
|
18
|
15
|
11
|
9
|
9
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
39 |
| Otis Elevator Company | 2677 |
24 |
| Inventio AG | 2314 |
15 |
| Kone Oyj | 2000 |
7 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
7 |
| Avire Limited | 24 |
4 |
| CEDES AG | 79 |
4 |
| Toshiba Elevator Kabushiki Kaisha | 101 |
4 |
| Hitachi, Ltd. | 16452 |
3 |
| Airdri Limited | 15 |
3 |
| Fujitec Co., Ltd. | 67 |
3 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 427 |
3 |
| Vayyar Imaging Ltd. | 150 |
3 |
| Microsoft Technology Licensing, LLC | 51439 |
2 |
| Ensota Limited | 2 |
2 |
| Memco Limited | 4 |
2 |
| Precision Elevator Corp. | 5 |
2 |
| Siemens AG | 24990 |
1 |
| Company ,steven Leo | 1 |
1 |
| Columbia Elevator Products Co., Inc. | 2 |
1 |
| Other owners | 9 |