- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators 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: 168
10-year publication summary
|
14
|
13
|
17
|
25
|
21
|
12
|
13
|
6
|
8
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Inventio AG | 2314 |
63 |
| Otis Elevator Company | 2677 |
37 |
| Kone Oyj | 2000 |
23 |
| Mitsubishi Electric Corporation | 43934 |
16 |
| CEDES AG | 79 |
6 |
| Astra S.r.l. | 16 |
3 |
| Atlas Elevator Components, Inc. | 2 |
2 |
| Airdri Limited | 15 |
1 |
| Avire Limited | 24 |
1 |
| Columbia Elevator Products Co., Inc. | 2 |
1 |
| Electronic Controls, Inc. | 10 |
1 |
| Ensota Limited | 2 |
1 |
| Fujitec Co., Ltd. | 67 |
1 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 427 |
1 |
| Mitsubishi Electric Research Laboratories, Inc. | 1010 |
1 |
| ThyssenKrupp AG | 3086 |
1 |
| ThyssenKrupp Elevator AG | 217 |
1 |
| G.A.L. Manufacturing Company LLC | 13 |
1 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
1 |
| Chongqing Hehang Technology Inc. | 1 |
1 |
| Other owners | 5 |