- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 3/00 - Applications of devices for indicating or signalling operating conditions of elevators
Patent holdings for IPC class B66B 3/00
Total number of patents in this class: 1160
10-year publication summary
|
48
|
90
|
144
|
116
|
130
|
157
|
87
|
78
|
65
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46160 |
360 |
| Otis Elevator Company | 2659 |
160 |
| Kone Oyj | 2093 |
137 |
| Hitachi, Ltd. | 15499 |
91 |
| Inventio AG | 2380 |
77 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 419 |
52 |
| Mitsubishi Electric Building Solutions Corporation | 344 |
42 |
| Japan Elevator Service Holdings Co., Ltd. | 49 |
24 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 313 |
18 |
| Toshiba Elevator Kabushiki Kaisha | 65 |
13 |
| TK Elevator Innovation and Operations GmbH | 193 |
11 |
| ThyssenKrupp AG | 3290 |
7 |
| ThyssenKrupp Elevator AG | 209 |
7 |
| Hitachi Building Systems Co., Ltd. | 52 |
6 |
| Japan Elevator Service Co., Ltd. | 7 |
6 |
| ThyssenKrupp Elevator Corporation | 29 |
5 |
| Xicore Inc. | 13 |
5 |
| NEC Corporation | 35734 |
4 |
| Appana Industries LLC | 18 |
4 |
| International Business Machines Corporation | 61287 |
3 |
| Other owners | 128 |