- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 7/04 - ShoesRollers
Patent holdings for IPC class B66B 7/04
Total number of patents in this class: 229
10-year publication summary
|
19
|
23
|
27
|
13
|
18
|
26
|
27
|
15
|
15
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2666 |
49 |
| Inventio AG | 2382 |
39 |
| Kone Oyj | 2082 |
32 |
| Mitsubishi Electric Corporation | 45946 |
20 |
| Elevator Safety Company, AKA ELSCO | 15 |
8 |
| ThyssenKrupp AG | 3276 |
6 |
| ThyssenKrupp Elevator AG | 209 |
6 |
| Hitachi, Ltd. | 15467 |
5 |
| China University of Mining and Technology | 1247 |
3 |
| Mitsubishi Electric Research Laboratories, Inc. | 1061 |
3 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 347 |
3 |
| Liin Technologies Incorporated | 6 |
3 |
| Space Liintech Co., Ltd. | 4 |
3 |
| Kee Safety Limited | 95 |
2 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 419 |
2 |
| Nippon Otis Elevator Company | 6 |
2 |
| Semes Co., Ltd. | 1509 |
2 |
| ThyssenKrupp Elevator Capital Corporation | 19 |
2 |
| ThyssenKrupp Elevator Corporation | 29 |
2 |
| G.A.L. Manufacturing Company LLC | 15 |
2 |
| Other owners | 35 |