- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 23/00 - Component parts of escalators or moving walkways
Patent holdings for IPC class B66B 23/00
Total number of patents in this class: 174
10-year publication summary
|
18
|
26
|
22
|
13
|
13
|
13
|
15
|
6
|
20
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Inventio AG | 2359 |
58 |
| Mitsubishi Electric Corporation | 45583 |
25 |
| Otis Elevator Company | 2658 |
15 |
| TK Elevator Innovation and Operations GmbH | 168 |
15 |
| Kone Oyj | 2068 |
10 |
| ThyssenKrupp AG | 3246 |
8 |
| ThyssenKrupp Elevator Innovation GmbH | 5 |
5 |
| Hitachi, Ltd. | 15364 |
3 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 423 |
3 |
| ThyssenKrupp Elevator AG | 209 |
3 |
| Hanson Lift (Suzhou) Co., Ltd. | 8 |
3 |
| Goldstein Biomedical Consultants LLC | 3 |
2 |
| ThyssenKrupp Elevator Innovation Center, S.A. | 36 |
2 |
| Esme, LLC. | 2 |
2 |
| Beltways, Inc. | 17 |
2 |
| Mitsubishi Electric Building Solutions Corporation | 328 |
2 |
| China University of Mining and Technology | 1232 |
1 |
| Hitachi Building Systems Co., Ltd. | 51 |
1 |
| Hitachi Mito Engineering Co., Ltd. | 10 |
1 |
| Minnich Manufacturing Company, Inc. | 12 |
1 |
| Other owners | 12 |