- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 23/02 - Driving gear
Patent holdings for IPC class B66B 23/02
Total number of patents in this class: 197
10-year publication summary
|
23
|
16
|
18
|
19
|
27
|
22
|
15
|
7
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2677 |
66 |
| Inventio AG | 2314 |
24 |
| Kone Oyj | 2000 |
24 |
| Mitsubishi Electric Corporation | 43934 |
16 |
| ThyssenKrupp Elevator Innovation Center, S.A. | 40 |
10 |
| ThyssenKrupp AG | 3086 |
6 |
| China University of Mining and Technology | 1189 |
5 |
| ThyssenKrupp Elevator AG | 217 |
5 |
| Toshiba Elevator Kabushiki Kaisha | 101 |
5 |
| Goldstein Biomedical Consultants LLC | 3 |
3 |
| Ketten-Wulf Betriebs-GmbH | 17 |
3 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 427 |
3 |
| WRH Walter Reist Holding AG | 52 |
2 |
| Jeil Escalator Co., Ltd | 4 |
2 |
| Kone Elevators Co., Ltd. | 28 |
2 |
| ThyssenKrupp Elevator Innovation GmbH | 5 |
2 |
| TK Elevator Innovation and Operations GmbH | 158 |
2 |
| Beltways, Inc. | 10 |
2 |
| Hitachi, Ltd. | 16452 |
1 |
| Innova Patent GmbH | 243 |
1 |
| Other owners | 13 |