- 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: 106
10-year publication summary
|
17
|
17
|
10
|
18
|
13
|
8
|
5
|
3
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2670 |
35 |
| Inventio AG | 2385 |
22 |
| Kone Oyj | 2084 |
16 |
| ContiTech Antriebssysteme GmbH | 189 |
7 |
| TK Elevator Innovation and Operations GmbH | 192 |
4 |
| ABB Schweiz AG | 6942 |
3 |
| Siemag Tecberg GmbH | 58 |
3 |
| Sherman + Reilly, Inc. | 28 |
2 |
| The Boeing Company | 20048 |
1 |
| Mitsubishi Electric Corporation | 45998 |
1 |
| Bekaert Advanced Cords Aalter NV | 47 |
1 |
| China University of Mining and Technology | 1251 |
1 |
| Jiangnan University | 1525 |
1 |
| Taiyuan University of Technology | 254 |
1 |
| ThyssenKrupp AG | 3280 |
1 |
| ThyssenKrupp Elevator AG | 209 |
1 |
| ThyssenKrupp Elevator Capital Corporation | 19 |
1 |
| Wittur Holding GmbH | 111 |
1 |
| Joy Global Surface Mining Inc | 364 |
1 |
| TUNAP GmbH & Co. KG | 65 |
1 |
| Other owners | 2 |