- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators 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: 314
10-year publication summary
|
14
|
19
|
36
|
30
|
36
|
41
|
26
|
30
|
30
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
79 |
| Otis Elevator Company | 2677 |
48 |
| Inventio AG | 2314 |
38 |
| Kone Oyj | 2000 |
25 |
| Hitachi, Ltd. | 16452 |
20 |
| Wittur Holding GmbH | 99 |
15 |
| Mitsubishi Electric Building Techno-Service Co., Ltd. | 427 |
9 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
7 |
| Zurn Water, LLC | 198 |
7 |
| Toshiba Elevator Kabushiki Kaisha | 101 |
6 |
| Sematic S.p.A | 23 |
4 |
| G.A.L. Manufacturing Company LLC | 13 |
3 |
| TK Elevator Innovation and Operations GmbH | 158 |
3 |
| EP Acquisition, Inc. | 8 |
2 |
| Fujitec Co., Ltd. | 67 |
2 |
| Hitachi Building Systems Co., Ltd. | 45 |
2 |
| ThyssenKrupp AG | 3086 |
2 |
| ThyssenKrupp Elevator AG | 217 |
2 |
| Samsung C&T Corporation | 160 |
2 |
| Global Engineers Technology Pte. Ltd. | 4 |
2 |
| Other owners | 36 |