- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 23/02 - Driving gear
Patent holdings for IPC class B66B 23/02
Total number of patents in this class: 188
10-year publication summary
|
18
|
19
|
27
|
22
|
15
|
7
|
2
|
4
|
8
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2699 |
63 |
| Inventio AG | 2402 |
24 |
| Kone Oyj | 2154 |
22 |
| Mitsubishi Electric Corporation | 48018 |
16 |
| ThyssenKrupp Elevator Innovation Center, S.A. | 35 |
8 |
| ThyssenKrupp AG | 3409 |
6 |
| China University of Mining and Technology | 1308 |
5 |
| ThyssenKrupp Elevator AG | 207 |
5 |
| Goldstein Biomedical Consultants LLC | 3 |
3 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 414 |
3 |
| Ketten-Wulf Betriebs-GmbH | 16 |
2 |
| WRH Walter Reist Holding AG | 42 |
2 |
| Jeil Escalator Co., Ltd | 4 |
2 |
| Kone Elevators Co., Ltd. | 40 |
2 |
| ThyssenKrupp Elevator Innovation GmbH | 5 |
2 |
| TK Elevator Innovation and Operations GmbH | 220 |
2 |
| Beltways, Inc. | 25 |
2 |
| Hitachi, Ltd. | 16094 |
1 |
| Innova Patent GmbH | 207 |
1 |
| Shandong University of Science and Technology | 545 |
1 |
| Other owners | 16 |