- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 11/08 - Driving gear with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
Patent holdings for IPC class B66B 11/08
Total number of patents in this class: 387
10-year publication summary
|
26
|
21
|
31
|
33
|
18
|
28
|
22
|
7
|
9
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
114 |
| Otis Elevator Company | 2677 |
59 |
| Kone Oyj | 2000 |
42 |
| Hitachi, Ltd. | 16452 |
39 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
29 |
| Inventio AG | 2314 |
27 |
| Meidensha Corporation | 823 |
8 |
| Smart Lifts, LLC | 20 |
6 |
| ContiTech Antriebssysteme GmbH | 244 |
5 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 427 |
5 |
| GLARIE Elevator Co. Ltd. | 16 |
5 |
| Hitachi Mito Engineering Co., Ltd. | 10 |
4 |
| Mitsubishi Electric Building Solutions Corporation | 222 |
4 |
| Nitta Corporation | 358 |
3 |
| Toshiba Elevator Kabushiki Kaisha | 101 |
3 |
| Thoma Aufzuge GmbH | 10 |
2 |
| Shanghai Mitsubishi Elevator Co., Ltd. | 8 |
2 |
| thyssenkrupp Elevator Innovation and Operations GmbH | 59 |
2 |
| Toshiba Corporation | 12017 |
1 |
| Articulated Funiculator AB | 5 |
1 |
| Other owners | 26 |