- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 1/14 - Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
Patent holdings for IPC class B66B 1/14
Total number of patents in this class: 238
10-year publication summary
|
12
|
25
|
22
|
22
|
22
|
32
|
17
|
13
|
10
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48048 |
118 |
| Mitsubishi Electric Building Solutions Corporation | 410 |
18 |
| Otis Elevator Company | 2702 |
14 |
| Hitachi, Ltd. | 16113 |
13 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 414 |
9 |
| Kone Oyj | 2156 |
9 |
| Jiangsu Welm Technology Co., Ltd | 18 |
7 |
| NEC Corporation | 37005 |
5 |
| Inventio AG | 2403 |
5 |
| Hitachi Building Systems Co., Ltd. | 52 |
2 |
| KITO Corporation | 184 |
2 |
| Naver Corporation | 750 |
2 |
| Technologies GRB Inc. | 11 |
2 |
| MWS Fabrication, Inc. | 2 |
2 |
| Designed Access LLC | 3 |
2 |
| Sony Corporation | 30158 |
1 |
| Nikon Corporation | 7226 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
1 |
| ZTE Corporation | 44199 |
1 |
| Carrier Corporation | 3951 |
1 |
| Other owners | 23 |