- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 29/00 - Safety devices of escalators or moving walkways
Patent holdings for IPC class B66B 29/00
Total number of patents in this class: 229
10-year publication summary
18
|
19
|
17
|
40
|
19
|
24
|
19
|
18
|
11
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
42 |
Otis Elevator Company | 2677 |
42 |
Kone Oyj | 2000 |
38 |
Inventio AG | 2314 |
25 |
Mitsubishi Electric Building Techno-Service Co., Ltd. | 427 |
7 |
Kone Elevators Co., Ltd. | 28 |
6 |
Hitachi, Ltd. | 16452 |
5 |
ThyssenKrupp Elevator Innovation Center, S.A. | 40 |
5 |
Toshiba Elevator Kabushiki Kaisha | 101 |
5 |
ThyssenKrupp AG | 3086 |
4 |
Mitsubishi Electric Building Solutions Corporation | 222 |
4 |
Mijuhitec Co., Ltd. | 5 |
3 |
Zhuhai Anyes Technology Co., Ltd. | 4 |
3 |
Jeil Escalator Co., Ltd | 4 |
3 |
Kerett Electronic Services Ltd | 3 |
2 |
Guangdong Inspection and Research Institute of Special Equipment, Zhuhai Inspection Institute | 2 |
2 |
Rail Components (UK) Limited | 2 |
2 |
TK Escalator Norte S.A. | 6 |
2 |
International Business Machines Corporation | 60644 |
1 |
Fujitec America, Inc. | 4 |
1 |
Other owners | 27 |