- 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: 329
10-year publication summary
|
31
|
33
|
18
|
28
|
22
|
7
|
9
|
8
|
10
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48587 |
111 |
| Otis Elevator Company | 2706 |
52 |
| Hitachi, Ltd. | 16272 |
41 |
| Kone Oyj | 2165 |
35 |
| Inventio AG | 2442 |
13 |
| Mitsubishi Electric Building Solutions Corporation | 419 |
10 |
| Meidensha Corporation | 942 |
9 |
| Smart Lifts, LLC | 16 |
6 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 414 |
5 |
| GLARIE Elevator Co. Ltd. | 15 |
5 |
| Shanghai Mitsubishi Elevator Co., Ltd. | 10 |
3 |
| TK Elevator Innovation and Operations GmbH | 228 |
3 |
| ContiTech Deutschland GmbH | 307 |
3 |
| Hitachi Mito Engineering Co., Ltd. | 7 |
2 |
| Toshiba Corporation | 12779 |
1 |
| Articulated Funiculator AB | 5 |
1 |
| Consejo Superior de Investigaciones Cientificas | 793 |
1 |
| ContiTech Antriebssysteme GmbH | 182 |
1 |
| Garaventa Liftech AG | 1 |
1 |
| Kabushiki Kaisha Yaskawa Denki | 1458 |
1 |
| Other owners | 25 |