- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 21/00 - Kinds or types of escalators or moving walkways
Patent holdings for IPC class B66B 21/00
Total number of patents in this class: 47
10-year publication summary
|
4
|
6
|
5
|
4
|
4
|
5
|
2
|
2
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Inventio AG | 2314 |
13 |
| Otis Elevator Company | 2677 |
11 |
| Kone Oyj | 2000 |
3 |
| Raymond Laniado | 3 |
2 |
| Toshiba Elevator Kabushiki Kaisha | 101 |
2 |
| RIVERFIELD Inc. | 186 |
2 |
| Hanson Lift (Suzhou) Co., Ltd. | 8 |
2 |
| Beltways, Inc. | 10 |
2 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Acorn Mobility Services Limited | 57 |
1 |
| Khajepour, Amir | 7 |
1 |
| RWM Technologies, LLC | 2 |
1 |
| Superior Tray Systems Inc. | 16 |
1 |
| ThyssenKrupp Elevator Innovation Center, S.A. | 40 |
1 |
| Universidad Tecnológica de Panamá | 93 |
1 |
| TK Elevator Innovation and Operations GmbH | 158 |
1 |
| Thyssenkrupp Elevator (ES/PBB) GmbH | 4 |
1 |
| Jamshidifar, Hamed | 2 |
1 |
| Other owners | 0 |