- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 5/06 - Applications of checking, fault-correcting or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
Patent holdings for IPC class B66B 5/06
Total number of patents in this class: 154
10-year publication summary
|
11
|
6
|
13
|
9
|
14
|
13
|
10
|
12
|
15
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kone Oyj | 2000 |
27 |
| Otis Elevator Company | 2677 |
26 |
| Mitsubishi Electric Corporation | 43934 |
25 |
| Hitachi, Ltd. | 16452 |
24 |
| Inventio AG | 2314 |
16 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
8 |
| ThyssenKrupp AG | 3086 |
2 |
| ThyssenKrupp Elevator AG | 217 |
2 |
| Innomotics GmbH | 451 |
2 |
| Siemens AG | 24990 |
1 |
| Daifuku Co., Ltd. | 860 |
1 |
| K.A. Schmersal Holding KG | 5 |
1 |
| Mijuhitec Co., Ltd. | 5 |
1 |
| North China University of Science and Technology | 71 |
1 |
| RG Mechatronics GmbH | 6 |
1 |
| Serinpet Ltda. Representaciones y Servicios de Petroleos | 10 |
1 |
| Toshiba Elevator Kabushiki Kaisha | 101 |
1 |
| Wittur AG | 6 |
1 |
| GLARIE Elevator Co. Ltd. | 16 |
1 |
| Waupaca Elevator Company | 1 |
1 |
| Other owners | 11 |