- 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: 235
10-year publication summary
|
22
|
27
|
13
|
17
|
26
|
26
|
15
|
16
|
9
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2679 |
49 |
| Inventio AG | 2382 |
41 |
| Kone Oyj | 2121 |
33 |
| Mitsubishi Electric Corporation | 47483 |
20 |
| Elevator Safety Company, AKA ELSCO | 14 |
7 |
| ThyssenKrupp AG | 3448 |
6 |
| ThyssenKrupp Elevator AG | 207 |
6 |
| Hitachi, Ltd. | 15869 |
4 |
| China University of Mining and Technology | 1289 |
3 |
| Mitsubishi Electric Research Laboratories, Inc. | 1112 |
3 |
| TK Elevator Innovation and Operations GmbH | 208 |
3 |
| Liin Technologies Incorporated | 7 |
3 |
| Space Liintech Co., Ltd. | 7 |
3 |
| Kee Safety Limited | 91 |
2 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 417 |
2 |
| Nippon Otis Elevator Company | 7 |
2 |
| Semes Co., Ltd. | 1572 |
2 |
| ThyssenKrupp Elevator Capital Corporation | 16 |
2 |
| ThyssenKrupp Elevator Corporation | 28 |
2 |
| G.A.L. Manufacturing Company LLC | 15 |
2 |
| Other owners | 40 |