- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 1/52 - Floor selectors
Patent holdings for IPC class B66B 1/52
Total number of patents in this class: 69
10-year publication summary
|
3
|
5
|
8
|
10
|
9
|
18
|
20
|
8
|
6
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2670 |
21 |
| Kone Oyj | 2084 |
9 |
| Inventio AG | 2385 |
5 |
| Mitsubishi Electric Corporation | 45998 |
3 |
| Korea Electronics Technology Institute | 1661 |
2 |
| Mitsubishi Electric Research Laboratories, Inc. | 1061 |
2 |
| Upward Technology LLC | 36 |
2 |
| Designed Access LLC | 3 |
2 |
| Marketon Inc. | 5 |
2 |
| Honeywell International Inc. | 13531 |
1 |
| NEC Corporation | 35567 |
1 |
| Koyo Electronics Industries Co., Ltd. | 6 |
1 |
| Rndplus Co., Ltd. | 8 |
1 |
| SCHAEFER GmbH | 11 |
1 |
| United Arab Emirates University | 312 |
1 |
| Hall Logic Inc. | 20 |
1 |
| Hangzhou Optimax Tech. Co., Ltd | 6 |
1 |
| Jiangsu Welm Technology Co., Ltd | 18 |
1 |
| Mitsubishi Elevator Korea Co., Ltd. | 15 |
1 |
| Nantong Jiuwuba Technology Enterprise Incubator Co., Ltd. | 1 |
1 |
| Other owners | 10 |