- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 11/02 - Cages
Patent holdings for IPC class B66B 11/02
Total number of patents in this class: 913
10-year publication summary
|
78
|
89
|
96
|
113
|
84
|
81
|
76
|
61
|
49
|
48
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47065 |
190 |
| Otis Elevator Company | 2655 |
150 |
| Inventio AG | 2375 |
111 |
| Kone Oyj | 2108 |
88 |
| Hitachi, Ltd. | 15735 |
55 |
| Japan Elevator Service Holdings Co., Ltd. | 49 |
16 |
| ThyssenKrupp Elevator AG | 208 |
14 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 419 |
12 |
| ThyssenKrupp AG | 3361 |
11 |
| Mitsubishi Electric Building Solutions Corporation | 385 |
11 |
| Hyundai Elevator Co., Ltd. | 65 |
9 |
| TK Elevator Innovation and Operations GmbH | 199 |
7 |
| Man-D-Tec, Inc. | 35 |
6 |
| Wittur Holding GmbH | 127 |
6 |
| China University of Mining and Technology | 1276 |
5 |
| Canny Elevator Co., Ltd. | 22 |
5 |
| Harry Miller Co., LLC | 25 |
5 |
| Dajit | 7 |
5 |
| Hitachi Building Systems Co., Ltd. | 52 |
4 |
| SafeWorks, LLC | 85 |
4 |
| Other owners | 199 |