- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 11/04 - Driving gear
Patent holdings for IPC class B66B 11/04
Total number of patents in this class: 574
10-year publication summary
|
70
|
85
|
88
|
52
|
66
|
52
|
40
|
25
|
19
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2659 |
190 |
| Kone Oyj | 2093 |
75 |
| Mitsubishi Electric Corporation | 46160 |
31 |
| Inventio AG | 2380 |
28 |
| Toshiba Corporation | 12350 |
26 |
| ThyssenKrupp AG | 3290 |
24 |
| ThyssenKrupp Elevator AG | 209 |
24 |
| TK Elevator Innovation and Operations GmbH | 193 |
13 |
| Hitachi, Ltd. | 15499 |
7 |
| ThyssenKrupp Elevator Innovation and Operations AG | 29 |
7 |
| Hyundai Elevator Co., Ltd. | 55 |
6 |
| Desird Tasarim Arge Anonim Şirketi | 7 |
4 |
| China University of Mining and Technology | 1256 |
3 |
| Moteurs Leroy-Somer | 190 |
3 |
| FICONT INDUSTRY (BEIJING) Co., Ltd. | 44 |
3 |
| Adaptive Concepts Ltd. | 9 |
3 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 313 |
3 |
| Hunan Daju Information Tech Co Ltd | 3 |
3 |
| Linearity Co., Ltd. | 7 |
3 |
| Roche Diagnostics Operations, Inc. | 1489 |
2 |
| Other owners | 116 |