- 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: 311
10-year publication summary
|
22
|
15
|
28
|
23
|
22
|
20
|
12
|
7
|
4
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46618 |
154 |
| Hitachi, Ltd. | 15605 |
34 |
| Otis Elevator Company | 2653 |
30 |
| Kone Oyj | 2097 |
22 |
| Inventio AG | 2389 |
18 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 419 |
8 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 243 |
7 |
| Murolet IP LLC | 16 |
4 |
| Fujitec Co., Ltd. | 71 |
3 |
| Nippon Telegraph and Telephone Corporation | 16793 |
2 |
| Nokia Technologies Oy | 18538 |
2 |
| Hitachi Building Systems Co., Ltd. | 52 |
2 |
| ThyssenKrupp Elevator Corporation | 29 |
2 |
| Universidad de Sevilla | 361 |
2 |
| Macpuarsa | 2 |
2 |
| Mitsubishi Electric Building Solutions Corporation | 367 |
2 |
| International Business Machines Corporation | 61616 |
1 |
| Mitsubishi Electric Research Laboratories, Inc. | 1081 |
1 |
| Sakura Rubber Co., Ltd. | 22 |
1 |
| Siemag Tecberg GmbH | 58 |
1 |
| Other owners | 13 |