- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 1/06 - Control systems without regulation, i.e. without retroactive action electric
Patent holdings for IPC class B66B 1/06
Total number of patents in this class: 242
10-year publication summary
|
14
|
19
|
11
|
13
|
16
|
6
|
11
|
16
|
16
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2665 |
76 |
| Mitsubishi Electric Corporation | 46093 |
49 |
| Kone Oyj | 2091 |
19 |
| Inventio AG | 2383 |
14 |
| Hitachi, Ltd. | 15484 |
11 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 325 |
8 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 629 |
3 |
| Reynolds & Reynolds Electronics, Inc. | 8 |
3 |
| Toshiba Elevator Kabushiki Kaisha | 65 |
3 |
| Jiangsu Welm Technology Co., Ltd | 18 |
3 |
| TK Elevator Innovation and Operations GmbH | 197 |
3 |
| Hyundai Elevator Co., Ltd. | 55 |
2 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 419 |
2 |
| Tencent Technology (Shenzhen) Company Limited | 14747 |
2 |
| Rajax Network & Technology (Shanghai) Co., Ltd. | 139 |
2 |
| Hitachi Building Technology (Guangzhou) Co., Ltd. | 37 |
2 |
| Hunan Daju Information Tech Co Ltd | 3 |
2 |
| Winone Elevator Company Limited | 15 |
2 |
| LG Electronics Inc. | 73021 |
1 |
| International Business Machines Corporation | 61228 |
1 |
| Other owners | 34 |