- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 7/02 - Guideways; Guides
Patent holdings for IPC class B66B 7/02
Total number of patents in this class: 517
10-year publication summary
|
24
|
30
|
57
|
68
|
44
|
64
|
57
|
44
|
40
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Inventio AG | 2314 |
87 |
| Mitsubishi Electric Corporation | 43934 |
80 |
| Otis Elevator Company | 2677 |
79 |
| Kone Oyj | 2000 |
49 |
| Hitachi, Ltd. | 16452 |
21 |
| TK Elevator Innovation and Operations GmbH | 158 |
15 |
| China University of Mining and Technology | 1189 |
12 |
| ThyssenKrupp AG | 3086 |
12 |
| ThyssenKrupp Elevator AG | 217 |
11 |
| Hitachi Building Systems Co., Ltd. | 45 |
7 |
| Toshiba Elevator Kabushiki Kaisha | 101 |
6 |
| Thoma Aufzuge GmbH | 10 |
5 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
5 |
| ThyssenKrupp Elevator Innovation and Operations AG | 29 |
5 |
| AIP ApS | 20 |
4 |
| Dongnan Elevator Co., Ltd. | 25 |
4 |
| Innovative Building Technologies, LLC | 70 |
4 |
| Canny Elevator Co., Ltd. | 20 |
4 |
| Elevator Safety Company, AKA ELSCO | 15 |
3 |
| S.A. de Vera (Savera) | 8 |
3 |
| Other owners | 101 |