- All sections
- B - Performing operationstransporting
- B66B - Elevatorsescalators 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: 1910
10-year publication summary
|
119
|
139
|
151
|
206
|
227
|
209
|
182
|
129
|
130
|
110
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otis Elevator Company | 2652 |
511 |
| Kone Oyj | 2097 |
415 |
| Inventio AG | 2387 |
322 |
| Mitsubishi Electric Corporation | 46547 |
142 |
| Hitachi, Ltd. | 15588 |
28 |
| CEDES AG | 86 |
27 |
| TK Elevator Innovation and Operations GmbH | 194 |
25 |
| ThyssenKrupp Elevator AG | 209 |
17 |
| Hyundai Elevator Co., Ltd. | 59 |
16 |
| ThyssenKrupp AG | 3311 |
14 |
| Secure Identity, LLC | 126 |
13 |
| ThyssenKrupp Elevator Corporation | 29 |
11 |
| Mitsubishi Electric Research Laboratories, Inc. | 1082 |
10 |
| Appana Industries LLC | 21 |
10 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 658 |
8 |
| Jiangsu Welm Technology Co., Ltd | 18 |
8 |
| Honeywell International Inc. | 13561 |
5 |
| Vayyar Imaging Ltd. | 156 |
5 |
| Mitsubishi Electric Building Solutions Corporation | 366 |
5 |
| Japan Elevator Service Holdings Co., Ltd. | 49 |
4 |
| Other owners | 314 |