- 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: 268
10-year publication summary
|
23
|
20
|
24
|
28
|
34
|
16
|
18
|
17
|
13
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45583 |
123 |
| Otis Elevator Company | 2658 |
30 |
| Hitachi, Ltd. | 15364 |
29 |
| Inventio AG | 2359 |
22 |
| Kone Oyj | 2068 |
10 |
| Mitsubishi Electric Building Solutions Corporation | 328 |
9 |
| CEDES AG | 80 |
5 |
| Jiangsu Welm Technology Co., Ltd | 18 |
3 |
| Hitachi Building Systems Co., Ltd. | 51 |
2 |
| Hyundai Elevator Co., Ltd. | 52 |
2 |
| Magnetek, Inc. | 92 |
2 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 423 |
2 |
| ThyssenKrupp Elevator Corporation | 30 |
2 |
| Legends Attractions, LLC | 8 |
2 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 406 |
2 |
| TK Elevator Corporation | 22 |
2 |
| Sony Corporation | 31215 |
1 |
| Honeywell International Inc. | 13596 |
1 |
| Articulated Funiculator AB | 5 |
1 |
| Ewha University-industry Collaboration Foundation | 708 |
1 |
| Other owners | 17 |