- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators 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: 101
10-year publication summary
|
7
|
17
|
17
|
10
|
18
|
13
|
8
|
4
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2677 |
34 |
| Inventio AG | 2314 |
22 |
| Kone Oyj | 2000 |
16 |
| ContiTech Antriebssysteme GmbH | 244 |
7 |
| Siemag Tecberg GmbH | 31 |
4 |
| ABB Schweiz AG | 6321 |
2 |
| Sherman + Reilly, Inc. | 25 |
2 |
| TK Elevator Innovation and Operations GmbH | 158 |
2 |
| The Boeing Company | 19843 |
1 |
| Bekaert Advanced Cords Aalter NV | 48 |
1 |
| China University of Mining and Technology | 1189 |
1 |
| Jiangnan University | 1410 |
1 |
| Taiyuan University of Technology | 212 |
1 |
| ThyssenKrupp AG | 3086 |
1 |
| ThyssenKrupp Elevator AG | 217 |
1 |
| ThyssenKrupp Elevator Capital Corporation | 21 |
1 |
| Joy Global Surface Mining Inc | 356 |
1 |
| TUNAP GmbH & Co. KG | 61 |
1 |
| Jiangsu Normal University | 25 |
1 |
| ABB Technology Ltd | 490 |
1 |
| Other owners | 0 |