- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators 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: 351
10-year publication summary
|
20
|
31
|
33
|
18
|
28
|
22
|
7
|
9
|
8
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46197 |
113 |
| Otis Elevator Company | 2660 |
55 |
| Hitachi, Ltd. | 15513 |
43 |
| Kone Oyj | 2087 |
35 |
| Inventio AG | 2381 |
19 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 307 |
10 |
| Meidensha Corporation | 888 |
8 |
| Mitsubishi Electric Building Solutions Corporation | 347 |
8 |
| Smart Lifts, LLC | 20 |
6 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 419 |
5 |
| GLARIE Elevator Co. Ltd. | 16 |
5 |
| Hitachi Mito Engineering Co., Ltd. | 10 |
4 |
| ContiTech Deutschland GmbH | 242 |
3 |
| ContiTech Antriebssysteme GmbH | 189 |
2 |
| Shanghai Mitsubishi Elevator Co., Ltd. | 8 |
2 |
| TK Elevator Innovation and Operations GmbH | 194 |
2 |
| Toshiba Corporation | 12367 |
1 |
| Articulated Funiculator AB | 5 |
1 |
| Consejo Superior de Investigaciones Cientificas | 867 |
1 |
| Garaventa Liftech AG | 1 |
1 |
| Other owners | 27 |