- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators or moving walkways
- B66B 13/30 - Constructional features of doors or gates
Patent holdings for IPC class B66B 13/30
Total number of patents in this class: 322
10-year publication summary
|
19
|
36
|
30
|
36
|
42
|
26
|
31
|
32
|
15
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46093 |
79 |
| Otis Elevator Company | 2665 |
49 |
| Inventio AG | 2383 |
39 |
| Kone Oyj | 2091 |
25 |
| Hitachi, Ltd. | 15484 |
20 |
| Wittur Holding GmbH | 114 |
19 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 419 |
9 |
| Zurn Water, LLC | 235 |
7 |
| Toshiba Elevator Kabushiki Kaisha | 65 |
5 |
| Sematic S.p.A | 22 |
4 |
| Blissera Corp. | 6 |
4 |
| Fujitec Co., Ltd. | 69 |
3 |
| G.A.L. Manufacturing Company LLC | 15 |
3 |
| TK Elevator Innovation and Operations GmbH | 197 |
3 |
| EP Acquisition, Inc. | 8 |
2 |
| Hitachi Building Systems Co., Ltd. | 52 |
2 |
| TD IP Holdco, LLC | 38 |
2 |
| ThyssenKrupp AG | 3283 |
2 |
| ThyssenKrupp Elevator AG | 209 |
2 |
| Samsung C&T Corporation | 188 |
2 |
| Other owners | 41 |