- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 3/02 - Position or depth indicators
Patent holdings for IPC class B66B 3/02
Total number of patents in this class: 269
10-year publication summary
|
20
|
24
|
28
|
33
|
16
|
18
|
17
|
13
|
17
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47852 |
123 |
| Hitachi, Ltd. | 16011 |
32 |
| Otis Elevator Company | 2690 |
29 |
| Inventio AG | 2400 |
20 |
| Mitsubishi Electric Building Solutions Corporation | 404 |
12 |
| Kone Oyj | 2135 |
9 |
| CEDES AG | 84 |
5 |
| Jiangsu Welm Technology Co., Ltd | 18 |
3 |
| Hitachi Building Systems Co., Ltd. | 52 |
2 |
| Hyundai Elevator Co., Ltd. | 74 |
2 |
| Magnetek, Inc. | 95 |
2 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 414 |
2 |
| ThyssenKrupp Elevator Corporation | 19 |
2 |
| Legends Attractions, LLC | 8 |
2 |
| TK Elevator Corporation | 32 |
2 |
| Sony Corporation | 30270 |
1 |
| Honeywell International Inc. | 12754 |
1 |
| Articulated Funiculator AB | 5 |
1 |
| Ewha University-industry Collaboration Foundation | 794 |
1 |
| Figla, Co., Ltd. | 7 |
1 |
| Other owners | 17 |