- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 23/22 - Balustrades
Patent holdings for IPC class B66B 23/22
Total number of patents in this class: 71
10-year publication summary
|
5
|
1
|
2
|
6
|
6
|
6
|
5
|
3
|
9
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Inventio AG | 2380 |
15 |
| Mitsubishi Electric Corporation | 46249 |
13 |
| Otis Elevator Company | 2660 |
13 |
| Innova Patent GmbH | 209 |
7 |
| TK Elevator Innovation and Operations GmbH | 194 |
7 |
| ThyssenKrupp Elevator Innovation Center, S.A. | 35 |
2 |
| Beltways, Inc. | 19 |
2 |
| The Boeing Company | 20090 |
1 |
| EHC Canada, Inc. | 31 |
1 |
| Hartman Design, Inc. | 22 |
1 |
| Semperit Aktiengesellschaft Holding | 20 |
1 |
| Toshiba Elevator Kabushiki Kaisha | 65 |
1 |
| Kone Oyj | 2087 |
1 |
| Kone Elevators Co., Ltd. | 33 |
1 |
| Shenzhen Institute of Special Equipment Inspection and Test | 2 |
1 |
| ThyssenKrupp Elevator Innovation and Operations AG | 29 |
1 |
| Thyssenkrupp Elevator (ES/PBB) Ltd. | 1 |
1 |
| TK Escalator Norte S.A. | 11 |
1 |
| Shanghai Clear Glass Sculpture Co., Ltd. | 1 |
1 |
| Other owners | 0 |