- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators 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: 152
10-year publication summary
|
6
|
13
|
9
|
14
|
13
|
10
|
12
|
15
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi, Ltd. | 15274 |
28 |
| Otis Elevator Company | 2651 |
26 |
| Kone Oyj | 2056 |
26 |
| Mitsubishi Electric Corporation | 45068 |
25 |
| Inventio AG | 2376 |
16 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 550 |
5 |
| ThyssenKrupp AG | 3225 |
2 |
| ThyssenKrupp Elevator AG | 216 |
2 |
| Innomotics GmbH | 509 |
2 |
| Daifuku Co., Ltd. | 947 |
1 |
| K.A. Schmersal Holding KG | 4 |
1 |
| Mijuhitec Co., Ltd. | 5 |
1 |
| North China University of Science and Technology | 92 |
1 |
| RG Mechatronics GmbH | 6 |
1 |
| Serinpet Ltda. Representaciones y Servicios de Petroleos | 10 |
1 |
| Toshiba Elevator Kabushiki Kaisha | 77 |
1 |
| GLARIE Elevator Co. Ltd. | 16 |
1 |
| Waupaca Elevator Company | 1 |
1 |
| Fujian Special Equipment Inspection and Research Institute | 6 |
1 |
| Suzhou Nicelong Lift Accessories Co., Ltd | 1 |
1 |
| Other owners | 9 |