- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 5/16 - Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
Patent holdings for IPC class B66B 5/16
Total number of patents in this class: 177
10-year publication summary
|
16
|
12
|
18
|
24
|
14
|
16
|
14
|
19
|
12
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2677 |
54 |
| Kone Oyj | 2000 |
22 |
| Inventio AG | 2314 |
18 |
| Mitsubishi Electric Corporation | 43934 |
16 |
| Hitachi, Ltd. | 16452 |
9 |
| ThyssenKrupp Elevator AG | 217 |
5 |
| Hangzhou Huning Elevator Parts Co., Ltd. | 12 |
5 |
| ThyssenKrupp AG | 3086 |
4 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
4 |
| Taiyuan University of Technology | 212 |
3 |
| Federal Equipment Company | 2 |
2 |
| Wittur AG | 6 |
2 |
| Wittur Holding GmbH | 99 |
2 |
| Suzhou Mayford Elevator Co., Ltd | 5 |
2 |
| TK Elevator Innovation and Operations GmbH | 158 |
2 |
| ZF Friedrichshafen AG | 6820 |
1 |
| AIP ApS | 20 |
1 |
| DualLift GmbH | 7 |
1 |
| Gumyoung General Co., Ltd. | 7 |
1 |
| Harmar Mobility, LLC | 23 |
1 |
| Other owners | 22 |