- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 11/04 - Driving gear
Patent holdings for IPC class B66B 11/04
Total number of patents in this class: 569
10-year publication summary
34
|
70
|
86
|
88
|
52
|
66
|
52
|
37
|
25
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Otis Elevator Company | 2677 |
187 |
Kone Oyj | 2000 |
74 |
Mitsubishi Electric Corporation | 43934 |
31 |
Inventio AG | 2314 |
28 |
Toshiba Corporation | 12017 |
24 |
ThyssenKrupp AG | 3086 |
24 |
ThyssenKrupp Elevator AG | 217 |
24 |
TK Elevator Innovation and Operations GmbH | 158 |
13 |
MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
8 |
Hitachi, Ltd. | 16452 |
7 |
ThyssenKrupp Elevator Innovation and Operations AG | 29 |
7 |
Hyundai Elevator Co., Ltd. | 26 |
6 |
China University of Mining and Technology | 1189 |
3 |
Moteurs Leroy-Somer | 193 |
3 |
Toshiba Elevator Kabushiki Kaisha | 101 |
3 |
FICONT INDUSTRY (BEIJING) Co., Ltd. | 37 |
3 |
Adaptive Concepts Ltd. | 9 |
3 |
thyssenkrupp Elevator Innovation and Operations GmbH | 59 |
3 |
Hunan Daju Information Tech Co Ltd | 3 |
3 |
Roche Diagnostics Operations, Inc. | 1375 |
2 |
Other owners | 113 |