- 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: 618
10-year publication summary
|
86
|
88
|
52
|
66
|
53
|
43
|
25
|
24
|
17
|
44
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2704 |
197 |
| Kone Oyj | 2163 |
81 |
| Toshiba Corporation | 12754 |
34 |
| Inventio AG | 2433 |
32 |
| Mitsubishi Electric Corporation | 48508 |
30 |
| ThyssenKrupp AG | 3337 |
24 |
| ThyssenKrupp Elevator AG | 206 |
24 |
| TK Elevator Innovation and Operations GmbH | 227 |
19 |
| Hitachi, Ltd. | 16237 |
7 |
| ThyssenKrupp Elevator Innovation and Operations AG | 29 |
7 |
| Hyundai Elevator Co., Ltd. | 89 |
6 |
| Shanghai Mitsubishi Elevator Co., Ltd. | 10 |
4 |
| Hunan Daju Information Tech Co Ltd | 6 |
4 |
| Desird Tasarim Arge Anonim Şirketi | 7 |
4 |
| China University of Mining and Technology | 1319 |
3 |
| Moteurs Leroy-Somer | 189 |
3 |
| FICONT INDUSTRY (BEIJING) Co., Ltd. | 36 |
3 |
| Adaptive Concepts Ltd. | 9 |
3 |
| TK Elevator Corporation | 32 |
3 |
| Linearity Co., Ltd. | 8 |
3 |
| Other owners | 127 |