- 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: 139
10-year publication summary
|
10
|
10
|
13
|
6
|
12
|
14
|
5
|
7
|
7
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48018 |
30 |
| Otis Elevator Company | 2699 |
24 |
| EHC Canada, Inc. | 31 |
16 |
| Inventio AG | 2402 |
15 |
| Semperit AG Holding | 35 |
12 |
| Beltways, Inc. | 25 |
5 |
| Kone Oyj | 2154 |
4 |
| Dongnamtech Co.,Ltd. | 4 |
4 |
| Innova Patent GmbH | 207 |
3 |
| Hitachi, Ltd. | 16094 |
2 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 580 |
2 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 414 |
2 |
| Semperit Aktiengesellschaft Holding | 17 |
2 |
| Tokan Co., Ltd. | 3 |
2 |
| Sookyoung A.i.d. Co., Ltd. | 2 |
2 |
| TK Elevator Innovation and Operations GmbH | 220 |
2 |
| TK Escalator Norte S.A. | 11 |
2 |
| NEC Corporation | 37004 |
1 |
| Brad Koering | 1 |
1 |
| Hitachi Mito Engineering Co., Ltd. | 8 |
1 |
| Other owners | 7 |