- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators 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: 335
10-year publication summary
|
17
|
22
|
15
|
28
|
23
|
22
|
20
|
12
|
7
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
154 |
| Otis Elevator Company | 2677 |
33 |
| Hitachi, Ltd. | 16452 |
32 |
| Kone Oyj | 2000 |
26 |
| Inventio AG | 2314 |
24 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
16 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 427 |
9 |
| Murolet IP LLC | 17 |
4 |
| Fujitec Co., Ltd. | 67 |
3 |
| Nippon Telegraph and Telephone Corporation | 14195 |
2 |
| Nokia Technologies Oy | 15057 |
2 |
| Hitachi Building Systems Co., Ltd. | 45 |
2 |
| ThyssenKrupp Elevator AG | 217 |
2 |
| ThyssenKrupp Elevator Corporation | 33 |
2 |
| Toshiba Elevator Kabushiki Kaisha | 101 |
2 |
| Universidad de Sevilla | 372 |
2 |
| Macpuarsa | 2 |
2 |
| International Business Machines Corporation | 60644 |
1 |
| Intel Corporation | 45621 |
1 |
| Mitsubishi Electric Research Laboratories, Inc. | 1010 |
1 |
| Other owners | 15 |