- All sections
- B - Performing operations; transporting
- B66B - Elevators; escalators or moving walkways
- B66B 1/34 - Control systems of elevators in general - Details
Patent holdings for IPC class B66B 1/34
Total number of patents in this class: 1782
10-year publication summary
|
114
|
123
|
145
|
155
|
205
|
230
|
201
|
179
|
128
|
51
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2677 |
505 |
| Kone Oyj | 2000 |
384 |
| Inventio AG | 2314 |
307 |
| Mitsubishi Electric Corporation | 43934 |
138 |
| Hitachi, Ltd. | 16452 |
23 |
| CEDES AG | 79 |
20 |
| ThyssenKrupp Elevator AG | 217 |
17 |
| TK Elevator Innovation and Operations GmbH | 158 |
16 |
| ThyssenKrupp AG | 3086 |
14 |
| ThyssenKrupp Elevator Corporation | 33 |
14 |
| Secure Identity, LLC | 89 |
11 |
| Mitsubishi Electric Research Laboratories, Inc. | 1010 |
10 |
| MITSUBISHI DENKI KABUSHIKI KAISHA also trading as Mitsubishi Electric Corporation | 1082 |
8 |
| Jiangsu Welm Technology Co., Ltd | 17 |
8 |
| thyssenkrupp Elevator Innovation and Operations GmbH | 59 |
7 |
| Carrier Corporation | 4759 |
6 |
| Hyundai Elevator Co., Ltd. | 26 |
6 |
| ThyssenKrupp Elevator Innovation and Opertions GmbH | 17 |
6 |
| Toshiba Elevator Kabushiki Kaisha | 101 |
5 |
| Dinacell Electrónica, S.L. | 18 |
4 |
| Other owners | 273 |