- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 1/18 - Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements with means for storing pulses controlling the movements of several cars or cages
Patent holdings for IPC class B66B 1/18
Total number of patents in this class: 326
10-year publication summary
|
22
|
15
|
28
|
23
|
22
|
20
|
12
|
7
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44851 |
154 |
| Hitachi, Ltd. | 15226 |
33 |
| Otis Elevator Company | 2646 |
31 |
| Kone Oyj | 2044 |
24 |
| Inventio AG | 2358 |
22 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 620 |
12 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 423 |
9 |
| Murolet IP LLC | 16 |
4 |
| Fujitec Co., Ltd. | 69 |
3 |
| Nippon Telegraph and Telephone Corporation | 16332 |
2 |
| Nokia Technologies Oy | 16542 |
2 |
| Hitachi Building Systems Co., Ltd. | 49 |
2 |
| ThyssenKrupp Elevator AG | 216 |
2 |
| ThyssenKrupp Elevator Corporation | 32 |
2 |
| Toshiba Elevator Kabushiki Kaisha | 78 |
2 |
| Universidad de Sevilla | 361 |
2 |
| Macpuarsa | 2 |
2 |
| Mitsubishi Electric Building Solutions Corporation | 304 |
2 |
| International Business Machines Corporation | 60129 |
1 |
| Mitsubishi Electric Research Laboratories, Inc. | 1040 |
1 |
| Other owners | 14 |