- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 5/18 - Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
Patent holdings for IPC class B66B 5/18
Total number of patents in this class: 334
10-year publication summary
|
21
|
39
|
34
|
29
|
35
|
28
|
20
|
17
|
23
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2660 |
89 |
| Inventio AG | 2380 |
78 |
| Kone Oyj | 2087 |
26 |
| ThyssenKrupp Elevator AG | 209 |
13 |
| Mitsubishi Electric Corporation | 46249 |
11 |
| ThyssenKrupp AG | 3294 |
9 |
| Wittur Holding GmbH | 114 |
9 |
| Hitachi, Ltd. | 15521 |
5 |
| Cobianchi Liftteile AG | 8 |
5 |
| TK Elevator Innovation and Operations GmbH | 194 |
5 |
| Dynatech, Dynamics & Technology, S.L. | 9 |
4 |
| ABB Schweiz AG | 6994 |
3 |
| Chr. Mayr GmbH & Co. KG | 89 |
3 |
| Wurtec, Incorporated | 20 |
3 |
| Wabi Iron & Steel Corp. | 3 |
3 |
| ThyssenKrupp Elevator Innovation and Operations AG | 29 |
3 |
| Human NT Co.,Ltd. | 4 |
3 |
| Desird Tasarim Arge Anonim Şirketi | 7 |
3 |
| Linearity Co., Ltd. | 7 |
3 |
| AIP ApS | 20 |
2 |
| Other owners | 54 |