- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 15/04 - Friction sheaves"Koepe" pulleys
Patent holdings for IPC class B66B 15/04
Total number of patents in this class: 115
10-year publication summary
|
17
|
10
|
18
|
13
|
8
|
5
|
3
|
4
|
11
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2706 |
37 |
| Inventio AG | 2442 |
22 |
| Kone Oyj | 2165 |
16 |
| TK Elevator Innovation and Operations GmbH | 228 |
8 |
| ContiTech Antriebssysteme GmbH | 182 |
7 |
| ABB Schweiz AG | 7794 |
3 |
| Siemag Tecberg GmbH | 69 |
3 |
| PARK, Ju Young | 5 |
2 |
| Lopexkorea Co., Ltd. | 4 |
2 |
| The Boeing Company | 20237 |
1 |
| Mitsubishi Electric Corporation | 48587 |
1 |
| Bekaert Advanced Cords Aalter NV | 49 |
1 |
| China University of Mining and Technology | 1322 |
1 |
| Jiangnan University | 1651 |
1 |
| Sherman + Reilly, Inc. | 34 |
1 |
| Taiyuan University of Technology | 329 |
1 |
| ThyssenKrupp AG | 3349 |
1 |
| ThyssenKrupp Elevator AG | 206 |
1 |
| ThyssenKrupp Elevator Capital Corporation | 16 |
1 |
| Wittur Holding GmbH | 138 |
1 |
| Other owners | 4 |