- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators 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: 170
10-year publication summary
|
12
|
18
|
26
|
22
|
13
|
13
|
13
|
14
|
6
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Inventio AG | 2314 |
53 |
| Mitsubishi Electric Corporation | 43934 |
27 |
| Otis Elevator Company | 2677 |
16 |
| TK Elevator Innovation and Operations GmbH | 158 |
14 |
| Kone Oyj | 2000 |
10 |
| ThyssenKrupp AG | 3086 |
8 |
| ThyssenKrupp Elevator Innovation GmbH | 5 |
5 |
| Hitachi, Ltd. | 16452 |
3 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 427 |
3 |
| ThyssenKrupp Elevator AG | 217 |
3 |
| Hanson Lift (Suzhou) Co., Ltd. | 8 |
3 |
| Goldstein Biomedical Consultants LLC | 3 |
2 |
| ThyssenKrupp Elevator Innovation Center, S.A. | 40 |
2 |
| Esme, LLC. | 2 |
2 |
| Beltways, Inc. | 10 |
2 |
| China University of Mining and Technology | 1189 |
1 |
| Hitachi Building Systems Co., Ltd. | 45 |
1 |
| Hitachi Mito Engineering Co., Ltd. | 10 |
1 |
| Minnich Manufacturing Company, Inc. | 11 |
1 |
| Canny Elevator Co., Ltd. | 20 |
1 |
| Other owners | 12 |