- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 13/20 - Lock mechanisms actuated mechanically by abutments or projections on the cages
Patent holdings for IPC class B66B 13/20
Total number of patents in this class: 45
10-year publication summary
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3
|
4
|
5
|
11
|
7
|
4
|
2
|
2
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2649 |
21 |
| Mitsubishi Electric Corporation | 44904 |
6 |
| Inventio AG | 2364 |
3 |
| Kone Oyj | 2047 |
3 |
| Fujitec Co., Ltd. | 69 |
2 |
| Mitsubishi Electric Building Solutions Corporation | 306 |
2 |
| Hitachi, Ltd. | 15239 |
1 |
| Peelle Company, The | 9 |
1 |
| ThyssenKrupp Elevator AG | 216 |
1 |
| Wittur Holding GmbH | 103 |
1 |
| G.A.L. Manufacturing Company LLC | 14 |
1 |
| GOMIS EGEA, Eduard | 3 |
1 |
| Mitsubishi Elevator Korea Co., Ltd. | 15 |
1 |
| Shanghai Mitsubishi Elevator Co., Ltd. | 8 |
1 |
| Other owners | 0 |