- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 13/22 - Operation of door or gate contacts
Patent holdings for IPC class B66B 13/22
Total number of patents in this class: 171
10-year publication summary
|
13
|
16
|
24
|
21
|
12
|
13
|
6
|
8
|
8
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Inventio AG | 2389 |
62 |
| Otis Elevator Company | 2652 |
38 |
| Kone Oyj | 2096 |
25 |
| Mitsubishi Electric Corporation | 46590 |
17 |
| CEDES AG | 86 |
6 |
| Astra S.r.l. | 15 |
3 |
| Mitsubishi Electric Building Solutions Corporation | 367 |
2 |
| Atlas Elevator Components, Inc. | 2 |
2 |
| Airdri Limited | 17 |
1 |
| Avire Limited | 24 |
1 |
| China Jiliang University | 70 |
1 |
| Columbia Elevator Products Co., Inc. | 2 |
1 |
| Electronic Controls, Inc. | 12 |
1 |
| Ensota Limited | 2 |
1 |
| Fujitec Co., Ltd. | 71 |
1 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 419 |
1 |
| Mitsubishi Electric Research Laboratories, Inc. | 1082 |
1 |
| ThyssenKrupp AG | 3315 |
1 |
| ThyssenKrupp Elevator AG | 209 |
1 |
| G.A.L. Manufacturing Company LLC | 15 |
1 |
| Other owners | 4 |