- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 23/24 - Handrails
Patent holdings for IPC class B66B 23/24
Total number of patents in this class: 141
10-year publication summary
|
5
|
10
|
10
|
10
|
6
|
12
|
11
|
5
|
7
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46295 |
29 |
| Otis Elevator Company | 2657 |
26 |
| EHC Canada, Inc. | 31 |
16 |
| Inventio AG | 2384 |
14 |
| Semperit AG Holding | 32 |
10 |
| Innova Patent GmbH | 209 |
4 |
| Kone Oyj | 2088 |
4 |
| Semperit Aktiengesellschaft Holding | 20 |
3 |
| AD Corporation Limited | 3 |
3 |
| Hitachi, Ltd. | 15531 |
2 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 626 |
2 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 419 |
2 |
| Tokan Co., Ltd. | 3 |
2 |
| Toshiba Elevator Kabushiki Kaisha | 64 |
2 |
| Sookyoung A.i.d. Co., Ltd. | 2 |
2 |
| TK Elevator Innovation and Operations GmbH | 194 |
2 |
| Beltways, Inc. | 19 |
2 |
| TK Escalator Norte S.A. | 11 |
2 |
| Dongnamtech Co.,Ltd. | 2 |
2 |
| NEC Corporation | 35827 |
1 |
| Other owners | 11 |