- 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: 244
10-year publication summary
|
23
|
27
|
13
|
18
|
26
|
26
|
15
|
16
|
11
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2699 |
48 |
| Inventio AG | 2407 |
44 |
| Kone Oyj | 2157 |
35 |
| Mitsubishi Electric Corporation | 48097 |
20 |
| Elevator Safety Company, AKA ELSCO | 14 |
7 |
| ThyssenKrupp AG | 3399 |
6 |
| ThyssenKrupp Elevator AG | 207 |
6 |
| Liin Technologies Incorporated | 10 |
5 |
| Space Liintech Co., Ltd. | 10 |
5 |
| Hitachi, Ltd. | 16146 |
4 |
| China University of Mining and Technology | 1312 |
3 |
| Mitsubishi Electric Research Laboratories, Inc. | 1124 |
3 |
| TK Elevator Innovation and Operations GmbH | 222 |
3 |
| Kee Safety Limited | 89 |
2 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 414 |
2 |
| Nippon Otis Elevator Company | 7 |
2 |
| Semes Co., Ltd. | 1678 |
2 |
| ThyssenKrupp Elevator Capital Corporation | 16 |
2 |
| G.A.L. Manufacturing Company LLC | 15 |
2 |
| Ironbox S.r.l. | 17 |
2 |
| Other owners | 41 |