- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 11/02 - Cages
Patent holdings for IPC class B66B 11/02
Total number of patents in this class: 890
10-year publication summary
45
|
78
|
91
|
97
|
114
|
85
|
83
|
78
|
60
|
18
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
191 |
Otis Elevator Company | 2677 |
153 |
Inventio AG | 2314 |
106 |
Kone Oyj | 2000 |
82 |
Hitachi, Ltd. | 16452 |
49 |
MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
20 |
Japan Elevator Service Holdings Co., Ltd. | 47 |
16 |
ThyssenKrupp Elevator AG | 217 |
14 |
Mitsubishi Electric Building Techno-Service Co., Ltd. | 427 |
13 |
ThyssenKrupp AG | 3086 |
11 |
Mitsubishi Electric Building Solutions Corporation | 222 |
7 |
China University of Mining and Technology | 1189 |
6 |
Hyundai Elevator Co., Ltd. | 26 |
6 |
Man-D-Tec, Inc. | 37 |
6 |
TK Elevator Innovation and Operations GmbH | 158 |
6 |
Canny Elevator Co., Ltd. | 20 |
5 |
Harry Miller Co., LLC | 23 |
5 |
Dajit | 7 |
5 |
Hitachi Building Systems Co., Ltd. | 45 |
4 |
Wittur Holding GmbH | 99 |
4 |
Other owners | 181 |