- 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: 239
10-year publication summary
|
6
|
12
|
25
|
22
|
22
|
22
|
31
|
17
|
13
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45811 |
117 |
| Mitsubishi Electric Building Solutions Corporation | 334 |
15 |
| Otis Elevator Company | 2659 |
14 |
| Hitachi, Ltd. | 15434 |
13 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 421 |
9 |
| Kone Oyj | 2078 |
9 |
| Jiangsu Welm Technology Co., Ltd | 18 |
7 |
| Inventio AG | 2371 |
6 |
| NEC Corporation | 35351 |
5 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 371 |
5 |
| Hitachi Building Systems Co., Ltd. | 51 |
2 |
| KITO Corporation | 168 |
2 |
| Technologies GRB Inc. | 7 |
2 |
| MWS Fabrication, Inc. | 3 |
2 |
| Designed Access LLC | 3 |
2 |
| Sony Corporation | 31148 |
1 |
| Nikon Corporation | 7159 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
1 |
| ZTE Corporation | 42015 |
1 |
| Carrier Corporation | 4356 |
1 |
| Other owners | 24 |